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Home » Products » Exotic Heterocycles (RubyScaffolds)
Exotic Heterocycles (RubyScaffolds)
These molecules contain heterocyclic rings that are found in fewer than 1 in 10,000 molecules in the emolecules database at www.emolecules.com
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS007874
CASRN:   185-72-8
MFCD #:   MFCD01730206
114 1,6-Dioxaspiro[2.5]octane
(Purity >93%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    595 890 2995 4995
Catalog #:   FS009187
CASRN:   885270-86-0
MFCD #:   
212 tert-Butyl 2,6-diazaspiro[3.4]octane-6-carboxylate
(Purity >95%)
Special Oder*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 2495    
Catalog #:   FS008016
CASRN:   253-72-5
MFCD #:   MFCD00059750
130 [1,6]Naphthyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 145 295 995 2995
Catalog #:   FS010219
CASRN:   6671-80-3
MFCD #:   
124.18 2-Oxa-spiro[3.5]non-6-ene
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1095 2490  
Catalog #:   FS000697
CASRN:   67268-37-5
MFCD #:   
151 4H-Furo[3,2-b]pyrrole-5-carboxylic acid
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 395 850 2995 5995
Catalog #:   FS008799
CASRN:   1049730-46-2
MFCD #:   MFCD11110349
266 4,4,5,5-Tetramethyl-2-(1,4-dioxaspiro[4.5]dec-7-en-7-yl)-1,3,2-dioxaborolane
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1995 4995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS009185
CASRN:   1184963-68-5
MFCD #:   
171 2,6-Diazaspiro[3.3]heptane dihydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    795 1595    
Catalog #:   FS010220
CASRN:   
MFCD #:   
206.24 7-Phenyl-2,6,8-trioxa-spiro[3.5]non ane
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        2495 4995
Catalog #:   FS010210
CASRN:   
MFCD #:   
288.3 tert-Butyl 2,6-diazaspiro[3.3]heptane-2-carboxylate oxalate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    950 1350 1995 4995
Catalog #:   FS000281
CASRN:   168123-82-8
MFCD #:   MFCD00460131
242 7-Bromopyrido[2,3-b]pyrazine-2,3(1H,4H)-dione
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 125 245 495 1995 3495
Catalog #:   FS010222
CASRN:   
MFCD #:   
136.2 Bicyclo[2.2.1]hept-5-en-2 oxetane
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    870 1245 2495 6245
Catalog #:   FS010209
CASRN:   
MFCD #:   
296.8 Benzyl 2,7-diazaspiro[3.5]nonane-7-carboxylate hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1350 1995 4995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS010208
CASRN:   
MFCD #:   
296.8 Benzyl 2,7-diazaspiro[3.5]nonane-2-carboxylate hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1195 1800 4995
Catalog #:   FS010217
CASRN:   
MFCD #:   
100 2,6-Dioxaspiro[3.3]heptane
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1995 3995
Catalog #:   FS010400
CASRN:   39793-31-2
MFCD #:   
167.187 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        995 2995
Catalog #:   FS011331
CASRN:   850349-44-9
MFCD #:   MFCD06657758
180 (6,7-Dihydro-4H-pyrano[4,3-d]thiazol-2-yl)-acetonitrile
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 190 305 870 3625  
Catalog #:   FS007736
CASRN:   147804-30-6
MFCD #:   MFCD07779385
213 1-Oxa-6-aza-spiro[2.5]octane-6-carboxylic acid tert-butyl ester
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 195 295 495 1995 3495
Catalog #:   FS011332
CASRN:   97817-23-7
MFCD #:   MFCD06657759
155 4,5,6,7-Tetrahydro-thiazolo[5,4-c]pyridin-2-ylamine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 295 495 1995 3995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS000624
CASRN:   90993-26-3
MFCD #:   MFCD09834585
198 7-Bromo-1H-imidazo[4,5-c]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 295 495 1995 4995
Catalog #:   FS010204
CASRN:   
MFCD #:   
296.8 Benzyl 2,6-diazaspiro[3.5]nonane-2-carboxylate hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1350 1995 4995
Catalog #:   FS010102
CASRN:   
MFCD #:   
113 2-Oxa-6-aza-spiro[3.4]octane
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    1995 2895    
Catalog #:   FS000682
CASRN:   42242-06-8
MFCD #:   MFCD08706345
151 3-Aminoisothiazolo[3,4-b]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 295 595 950 1995 6495
Catalog #:   FS009983
CASRN:   
MFCD #:   
165 4-Aza-tricyclo[5.2.1.0 2,6]decane-3,5-dione
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
  75 95 195 695 1995
Catalog #:   FS009375
CASRN:   
MFCD #:   
151 4-Aza-tricyclo[5.2.1.0 2,6]decane-3-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 495 1495 4995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS002125
CASRN:   271-34-1
MFCD #:   MFCD00955936
118 5-Azaindole
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 125 245 495 1595 3495
Catalog #:   FS002126
CASRN:   271-29-4
MFCD #:   MFCD01686899
118 6-Azaindole
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
  75 95 195 850 1950
Catalog #:   FS008766
CASRN:   5654-95-5
MFCD #:   MFCD09999197
148 7-Azaisatin
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 495 995 3895 5995
Catalog #:   FS009320
CASRN:   731771-55-4
MFCD #:   
230 8-Benzyl-3,8-diaza-bicyclo[3.2.1]oc tane-2,4-dione
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 1995    
Catalog #:   FS011349
CASRN:   850349-56-3
MFCD #:   MFCD08457961
287 5-Bromo-1,1-(ethylenedithio)-indane
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 195 295 495 1900  
Catalog #:   FS000286
CASRN:   148038-83-9
MFCD #:   MFCD00763285
214 6-Bromo-1H-imidazo[4,5-b]pyridin-2(3H)-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1995 2995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS000283
CASRN:   105544-36-3
MFCD #:   MFCD01648627
229 7-Bromo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
195 495 995 1995 2995 5995
Catalog #:   FS000625
CASRN:   929074-39-5
MFCD #:   
212 7-Bromo-2-methyl-1H-imidazo[4,5-c]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1195 3995 9995
Catalog #:   FS002085
CASRN:   55580-08-0
MFCD #:   MFCD08446940
241 7-Bromo-3,4-dihydro-2H-benzo[b]oxepin-5-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      195 950 2950
Catalog #:   FS015016
CASRN:   887360-42-1
MFCD #:   
284 5-Bromo-8H-1,3-dioxa-8-aza-as-indacene-7-carboxylic acid
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1095 2450 3950
Catalog #:   FS000622
CASRN:   52333-42-3
MFCD #:   MFCD01105748
210 7-Bromo-pyrido[2,3-b]pyrazine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1950 3450
Catalog #:   FS001034
CASRN:   929074-45-3
MFCD #:   MFCD09834590
210 8-Bromo-pyrido[3,4-b]pyrazine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 245 495 950 2995 6995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS000686
CASRN:   42242-08-0
MFCD #:   MFCD8706346
215 3-Bromoisothiazolo[3,4-b]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
295 995 1495      
Catalog #:   FS001031
CASRN:   5975-13-3
MFCD #:   
154 7-Chloro-1H-imidazo[4,5-c]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 295 595 850 3995 9995
Catalog #:   FS002118
CASRN:   55579-90-3
MFCD #:   MFCD01648758
197 7-Chloro-3,4-dihydro-2H-benzo[b]oxepin-5-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      195 950 2950
Catalog #:   FS007103
CASRN:   6775-78-6
MFCD #:   MFCD07778345
154 6-Chloro-imidazo[1,2-b]pyridazine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 145 295 995 1995
Catalog #:   FS011399
CASRN:   380605-23-2
MFCD #:   MFCD06657770
175 3-Cyclopropyl-1,3-dihydro-imidazo[4,5-b]pyridin-2-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 395 895 2995 6995
Catalog #:   FS000768
CASRN:   57531-01-8
MFCD #:   MFCD06657726
142 [1,4]Diazocane-5,8-dione
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 145 295 495 1950  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS000681
CASRN:   81056-10-2
MFCD #:   MFCD06657718
186 Cis, trans, trans-3,5-Dioxa-bicyclo[5.1.0]octane-8-carboxylic acid ethyl ester
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 395 1950  
Catalog #:   FS001679
CASRN:   1039853
MFCD #:   MFCD00031031
168 7,12-Dioxa-spiro[5.6]dodec-9-ene
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      495 1995 3995
Catalog #:   FS007160
CASRN:   958451-81-5
MFCD #:   MFCD11036094
198 1,4-Dithia-7-aza-spiro[4.4]nonane hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 145 195 295 995 2995
Catalog #:   FS007163
CASRN:   958451-84-8
MFCD #:   MFCD11036097
212 1,4-Dithia-7-aza-spiro[4.5]decane hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 145 195 295 995 2995
Catalog #:   FS001685
CASRN:   17385-20-5
MFCD #:   MFCD08705997
212 1,4-Dithia-8-aza-spiro[4.5]decane hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 650 1900 3350
Catalog #:   FS007015
CASRN:   947534-12-5
MFCD #:   MFCD11036040
226 1,4-Dithia-8-aza-spiro[4.6]undecane, hydrochloride
(Purity >90%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 295 995 3995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS005075
CASRN:   26258-21-9
MFCD #:   
138 1,3,4,5,6,7-Hexahydro-benzoimidazol-2-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 2295 4495
Catalog #:   FS002501
CASRN:   124072-89-5
MFCD #:   MFCD09037903
159 Hexahydro-pyridazine dihydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 395 995 2995  
Catalog #:   FS009342
CASRN:   134978-17-4 
MFCD #:   
172.18 (1(S,R), 4(S,R), 5(R,S), 6(S,R))-4-Hydroxy-2-oxa-bicyclo[3.1.0]hexane-6-carboxylic acid ethyl ester
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      795 1995 4995
Catalog #:   FS002114
CASRN:   875-66-1
MFCD #:   MFCD00956158
146 4-Hydroxy-cinnoline
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1995 3495
Catalog #:   FS007148
CASRN:   766-55-2
MFCD #:   MFCD07782103
119 Imidazo[1,2-b]pyridazine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1495 3495
Catalog #:   FS000663
CASRN:   170245-18-8
MFCD #:   MFCD01646138
119 3H-Imidazo[4,5-b]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 295 895 2995 7995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS000307
CASRN:   39209-57-9
MFCD #:   MFCD11035946
150 6-Methyl-7,9-dihydro-purin-8-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1250 2950 6950
Catalog #:   FS011339
CASRN:   137830-77-4
MFCD #:   MFCD06657763
150 2-Methyl-[1,2,6]thiadiazinane 1,1-dioxide
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 145 295 495 1995 3495
Catalog #:   FS009341
CASRN:   191471-74-6
MFCD #:   
154.17 (1(S,R),5(S,R),6(S,R))-2-Oxa-bicyclo[3.1.0]hex-3-ene-6-carboxylic acid ethyl ester
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      895 1495 3995
Catalog #:   FS009374
CASRN:   
MFCD #:   
235 [1,2]Oxazepane-2-carboxylic acid be nzyl ester
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1495 3995 9900
Catalog #:   FS009343
CASRN:   191471-60-0
MFCD #:   
170.17 (1(S,R), 5(S,R), 6(S,R))-4-Oxo-2-oxa-bicyclo[3.1.0]hexane-6-carboxylic acid ethyl ester
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1495 3495  
Catalog #:   FS007741
CASRN:   4767-91-3
MFCD #:   
133 2H-Pyrano[3,2-b]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      895 2995 5995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS002110
CASRN:   272-15-1
MFCD #:   MFCD08706439
136 Thieno[2,3-d]pyridazine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1995 4995
Catalog #:   FS011393
CASRN:   99420-69-6
MFCD #:   MFCD08706159
201 6-Amino-4H,7H-[1,3]dithiino[5,4-d]pyrimidin-8-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        2250 3550
Catalog #:   FS001243
CASRN:   36170-23-7
MFCD #:   MFCD08706002
173 4-Aza-tricyclo[5.2.1.0 2,6 ]decane hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    870 1870 3745 6245
Catalog #:   FS010892
CASRN:   135481-57-1
MFCD #:   MFCD06657750
257 6-Benzyl-5,6,7,8-tetrahydro-1H-pyrido[4,3-d]pyrimidine-2,4-dione
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    800 1900 2900 5950
Catalog #:   FS005107
CASRN:   180975-51-3
MFCD #:   MFCD11045908
212 5-Boc-Hexahydro-pyrrolo[3,4-b]pyrrole
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    395 695 1995 4995
Catalog #:   FS001033
CASRN:   161836-12-0
MFCD #:   MFCD03673684
214 7-Bromo-1,3-dihydro-imidazo[4,5-c]pyridin-2-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    895 1495 3995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS007176
CASRN:   83472-57-5
MFCD #:   MFCD11036104
214 6-Bromo-1H-imidazo[4,5-b]pyridine 4-oxide
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1495 2995 4995
Catalog #:   FS000282
CASRN:   93752-20-6
MFCD #:   MFCD01556935
230 6-Bromo-1H-imidazo[4,5-b]pyridine-2(3H)-thione
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1295 2450 3950
Catalog #:   FS000292
CASRN:   885266-84-2
MFCD #:   MFCD08706276
240 6-Bromo-2,2-spirocyclobutane- 2,3-dihydro-1H-imidazo[4,5-b]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1450 2950 4950
Catalog #:   FS000296
CASRN:   885266-86-4
MFCD #:   MFCD08706318
282 6-Bromo-2,2-spirocycloheptane- 2,3-dihydro-1H-imidazo[4,5-b]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      950 2450 3950
Catalog #:   FS000295
CASRN:   885266-85-3
MFCD #:   MFCD08706278
254 6-Bromo-2,2-spirocyclopentane- 2,3-dihydro-1H-imidazo[4,5-b]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      850 1900 2900
Catalog #:   FS000643
CASRN:   947533-92-8
MFCD #:   MFCD11035950
252 6-Bromo-2-cyclopropylmethyl-3H-imidazo[4,5-b]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1250 2995 4995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS011345
CASRN:   113549-10-3
MFCD #:   MFCD00617601
302 5-Bromo-3,3-(ethylenedithio)-1,3-dihydro-indole-2-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      895 2450 3950
Catalog #:   FS002107
CASRN:   20426-78-2
MFCD #:   MFCD08706335
241 4-Bromo-3,4-dihydro-2H-benzo[b]oxepin-5-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1900 3900 5900
Catalog #:   FS002089
CASRN:   93591-69-6
MFCD #:   MFCD08706251
227 7-Bromo-3,4-dihydro-2H-benzo[b]oxepine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995 2450 4950
Catalog #:   FS007177
CASRN:   61254-44-2
MFCD #:   MFCD06254690
211 1-Bromo-3-methyl-imidazo[1,5-a]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1295 2995  
Catalog #:   FS002115
CASRN:   910442-25-0
MFCD #:   
316 3-(3-Bromo-phenyl)-3a,4,6,6a-tetrahydro-thieno[3,4-d]isoxazole 5,5-dioxide
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      940 2450 3950
Catalog #:   FS010206
CASRN:   
MFCD #:   
316.36 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane oxalate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1350 1950 4995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS007884
CASRN:   301226-25-5
MFCD #:   
199 tert-Butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1995    
Catalog #:   FS007875
CASRN:   276872-90-3
MFCD #:   
213 tert-Butyl 1-oxa-5-azaspiro[2.5]octane-5-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1995    
Catalog #:   FS010205
CASRN:   
MFCD #:   
316.36 tert-Butyl 2,6-diazaspiro[3.5] nonane-2-carboxylate oxalate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1350 1950 4995
Catalog #:   FS009183
CASRN:   885272-17-3
MFCD #:   
226 tert-Butyl 2,6-diazaspiro[3.5]nonane-6-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 1995    
Catalog #:   FS010207
CASRN:   
MFCD #:   
316.36 tert-Butyl 2,6-diazaspiro[3.5]nonane-6-carboxylate oxalate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1195 1800 4995
Catalog #:   FS009190
CASRN:   960294-16-0
MFCD #:   
240 tert-Butyl 2,6-diazaspiro[4.5]decane-6-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 1995    
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS009192
CASRN:   236406-55-6
MFCD #:   
226 tert-Butyl 2,7-diazaspiro[3.5]nonane-2-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 1695 4995  
Catalog #:   FS010203
CASRN:   
MFCD #:   
316.36 tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate oxalate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1195 1950 4995
Catalog #:   FS009188
CASRN:   885268-42-8
MFCD #:   
240 tert-Butyl 2,7-diazaspiro[4.5]decane-2-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 1995    
Catalog #:   FS009191
CASRN:   336191-17-4
MFCD #:   
240 tert-Butyl 2,8-diazaspiro[4.5]decane-2-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 1995    
Catalog #:   FS009194
CASRN:   1147422-00-1
MFCD #:   
226 tert-Butyl octahydro-1H-pyrrolo[3,2-c]pyridine-1-carboxylate
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    995 2495    
Catalog #:   FS001035
CASRN:   929074-46-4
MFCD #:   MFCD09834591
170 7-Chloro-1,3-dihydro-imidazo[4,5-c]pyridin-2-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      895 3950  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS007913
CASRN:   357263-41-3
MFCD #:   MFCD03839905
153 7-Chloro-1H-pyrrolo[2,3-c]pyridine
(Purity >96%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1990 2995
Catalog #:   FS002106
CASRN:   103501-83-3
MFCD #:   MFCD01648762
211 7-Chloro-9-methyl-3,4-dihydro-2H-benzo[b]oxepin-5-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      895 2450 3450
Catalog #:   FS010894
CASRN:   69214-33-1
MFCD #:   MFCD09834910
154 8-Chloro-imidazo[1,2-a]pyrazine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1395 2895 4895
Catalog #:   FS007691
CASRN:   89691-88-3
MFCD #:   MFCD09045753
140 5,7-Diaza-spiro[3.4]octane-6,8-dione
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      895 2495 4995
Catalog #:   FS007995
CASRN:   1016683-99-0
MFCD #:   MFCD09810411
227 (2,2-Difluoro-2H,5H,6H,7H-[1,3]dioxolo[4,5-f]indole-6,7-dione)
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
  295 795 2495    
Catalog #:   FS002102
CASRN:   20426-87-3
MFCD #:   MFCD00231044
164 3,4-Dihydro-2H-benzo[b]oxepin-5-ol
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1250 2950 4950
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS008864
CASRN:   937667-84-0
MFCD #:   MFCD09035121
140 5,6-Dihydro-4H-cyclopenta[c]isothiazol-3-amine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1995 3995 6995
Catalog #:   FS008924
CASRN:   56382-73-1
MFCD #:   
126 5,6-Dihydro-4H-cyclopenta[d][1,2,3]thiadiazole
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      895 3995 5995
Catalog #:   FS007305
CASRN:   42899-11-6
MFCD #:   MFCD03791123
180 1,4-Dioxa-8-aza-spiro[4.5]decane, hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1990 3490
Catalog #:   FS007014
CASRN:   947534-11-4
MFCD #:   MFCD11036039
194 1,4-Dioxa-8-aza-spiro[4.6]undecane, hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1995 3995
Catalog #:   FS007306
CASRN:   71879-41-9
MFCD #:   MFCD11036126
194 1,5-Dioxa-9-aza-spiro[5.5]undecane, hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      990 1990 3490
Catalog #:   FS007017
CASRN:   947534-14-7
MFCD #:   MFCD11036041
208 1,5-Dioxa-9-aza-spiro[5.6]dodecane, hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1990 3990
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS002105
CASRN:   251554-29-7
MFCD #:   MFCD08706334
234 4-Ethoxycarbonyl-3,4-dihydro-2H-benzo[b]oxepin-5-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1450 2950 4950
Catalog #:   FS008936
CASRN:   10493-90-0
MFCD #:   
136 1,4,5,6,7,8-Hexahydrocyclohepta[d]imidazole
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1495 4495 8995
Catalog #:   FS008781
CASRN:   27685-92-3
MFCD #:   MFCD00673989
151 4-Hydroxythieno[3,2-c]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995 1995 4995
Catalog #:   FS007359
CASRN:   274-79-3
MFCD #:   MFCD06245371
119 Imidazo[1,2-a]pyrazine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995 2995 3995
Catalog #:   FS000667
CASRN:   
MFCD #:   
119 3H-Imidazo[4,5-c]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1995 3995 6995
Catalog #:   FS004015
CASRN:   614750-84-4
MFCD #:   
245 6-Iodo-[1,2,4]triazolo[1,5-a]pyridine
(Purity >98%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    295 495 1695 3995
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS011333
CASRN:   478813-62-6
MFCD #:   MFCD06657760
225 7-Methyl-2-phenyl-imidazo[1,2-a][1,3,5]triazin-4-ylamine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1350 3450  
Catalog #:   FS000664
CASRN:   68175-07-5
MFCD #:   
133 2-Methyl-3H-imidazo[4,5-b]pyridine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        2495 5995
Catalog #:   FS000668
CASRN:   63604-59-1
MFCD #:   
133 2-Methyl-3H-imidazo[4,5-c]pyridine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 295 495 1095 2995  
Catalog #:   FS810002
CASRN:   23003-41-0
MFCD #:   MFCD11042452
211 MRX
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
  3500 4400 5400    
Catalog #:   FS007590
CASRN:   254-79-5
MFCD #:   MFCD00039727
130 [1,5]Naphthyridine
(Purity >90%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        995 1995
Catalog #:   FS002104
CASRN:   127283-63-0
MFCD #:   MFCD08706333
207 7-Nitro-3,4-dihydro-2H-benzo[b]oxepine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1750 2950 4950
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS008814
CASRN:   10341-26-1
MFCD #:   MFCD02683091
115 1,4-Oxazepan-5-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        895 1995
Catalog #:   FS008816
CASRN:   178312-62-4
MFCD #:   MFCD02683070
138 1,4-Oxazepane hydrochloride
(Purity >97%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1495 4995
Catalog #:   FS007354
CASRN:   60832-72-6
MFCD #:   
136 Oxazolo[4,5-b]pyridin-2(3H)-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1995 3995
Catalog #:   FS009712
CASRN:   873914-37-5
MFCD #:   
263 (2-Oxazolo[4,5-c]pyridin-2-yl-ethyl )-carbamic acid tert-butyl ester
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1295 4995  
Catalog #:   FS007159
CASRN:   954236-44-3
MFCD #:   MFCD10001421
255 3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
          4990
Catalog #:   FS011392
CASRN:   864685-21-2
MFCD #:   MFCD08706158
246 8-Oxo-6,10-dithia-spiro[4.5]decane-7-carboxylic acid methyl ester
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        2150 3550
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS011398
CASRN:   14700-56-2
MFCD #:   MFCD06657769
192 4-Phenyl-3,5,8-trioxa-bicyclo[5.1.0]octane
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1350 2950 4950
Catalog #:   FS007344
CASRN:   20348-09-8
MFCD #:   MFCD00006697
150 4H-Pyrido[3,2-b][1,4]oxazin-3-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1995 3995  
Catalog #:   FS007719
CASRN:   1009532
MFCD #:   MFCD00013439
148 1H-Pyrrolo[3,4-c]pyridine-1,3(2H)-dione
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
        1995 3995
Catalog #:   FS007879
CASRN:   57289-81-3
MFCD #:   
138.21 Spiro[bicyclo[2.2.2]octane-2,2'-oxirane]
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995    
Catalog #:   FS007106
CASRN:   958885-20-6
MFCD #:   MFCD11616520
194 3,3,4,4-Tetrafluoro-9-oxa- tricyclo[4.2.1.0*2,5*]non-7-ene
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    195 395 995 2495
Catalog #:   FS005108
CASRN:   5932-32-1
MFCD #:   MFCD01248822
152 1,4,5,6-Tetrahydro-cyclopentapyrazole-3-carboxylic acid
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1990 3950  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS008925
CASRN:   56382-72-0
MFCD #:   
140 4,5,6,7-Tetrahydrobenzo[d][1,2,3]thiadiazole
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995 3495 4995
Catalog #:   FS011334
CASRN:   72752-82-0
MFCD #:   MFCD00101404
157 1-Thia-4-aza-spiro[4.4]nonan-3-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      950 2450 3950
Catalog #:   FS008813
CASRN:   2896-98-2
MFCD #:   MFCD11111966
131 1,4-Thiazepan-5-one
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995 2995 4995
Catalog #:   FS008815
CASRN:   108724-14-7
MFCD #:   MFCD11111967
154 1,4-Thiazepane hydrochloride
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1295 3995 7995


*Note concerning Special Order chemicals: these are made to order with a typical lead time of 6 weeks.
Minimum order sizes apply (usually 1 gram).
Prices are listed in the catalog for available quantities only.
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