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Home » Products » Very Small Molecules (FW<150)
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Very Small Molecules (FW<150)
*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.
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS001690
CASRN
53316-51-1
MFCD #
MFCD09743540
133 4,5-Dimethyl-1H-imidazole; hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 495 1950 3950
Catalog #
FS000313
CASRN
5469-70-5
MFCD #
MFCD01529869
95 3-Aminopyridazine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 145 295 995 2495
Catalog #
FS002083
CASRN
17557-84-5
MFCD #
108 3-Azetidinone hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 145 245 495 2295 3995
Catalog #
FS001110
CASRN
210169-05-4
MFCD #
112 3-Amino-5-fluoropyridine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
      295 495 1295
Catalog #
FS001009
CASRN
42242-11-5
MFCD #
MFCD02181031
119 3-Amino-pyridine-2-carbonitrile
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 295 1295 3995
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS000314
CASRN
89203-22-5
MFCD #
132 3-aminopyridazine hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 80 95 195 895 1995
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 #
FS001818
CASRN
88211-50-1
MFCD #
MFCD06658391
106 But-3-ynylamine hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 395 1495 5495
Catalog #
FS005034
CASRN
623547-65-9
MFCD #
MFCD07357406
140 4-tert-Butyl-1,3-dihydro-imidazol-2-one
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 395 1650 2950
Catalog #
FS001029
CASRN
929074-42-0
MFCD #
MFCD09263519
144 5-Chloro-3,4-diaminopyridine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 295 495 995 3495 6995
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS007101
CASRN
1120-95-2
MFCD #
115 3-Chloro-pyridazine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
    75 95 295 745
Catalog #
FS001092
CASRN
22620-34-4
MFCD #
MFCD09743969
144 (5-Chloro-pyridin-3-yl)-methanol
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
      295 995 2495
Catalog #
FS001325
CASRN
137270-23-6
MFCD #
MFCD09838145
124 O-Cyclobutyl-hydroxylamine hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 295 495 1495 3995 5995
Catalog #
FS005058
CASRN
526183-12-0
MFCD #
MFCD05190093
139 2-Cyclobutyl-piperidine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 195 295 995 2495 4995
Catalog #
FS001027
CASRN
290313-23-4
MFCD #
MFCD00174354
149 2-Cyclopropylamino-3-aminopyridine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
  95 195 495 1950 3450
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 (Purity)  
Catalog #
FS007707
CASRN
1010097-82-1
MFCD #
MFCD11111955
134 O-(2,2-Difluoroethyl)hydroxylamine hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
      995 3995 6995
Catalog #
FS005032
CASRN
5918-93-4
MFCD #
MFCD00040252
84 1,3-Dihydro-imidazol-2-one
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 195 295 495 1995 3995
Catalog #
FS005033
CASRN
1072-89-5
MFCD #
MFCD00459895
112 4,5-Dimethyl-1,3-dihydro-imidazol-2-one
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 495 1950 2950
Catalog #
FS001691
CASRN
2302-39-8
MFCD #
96 4,5-Dimethyl-1H-imidazole
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 195 395 995 2995 4995
Catalog #
FS009372
CASRN
MFCD #
143 3-Ethynyl-1-methyl-1H-pyrazole; hyd rochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 195 495 995 4950  
Catalog #
FS001813
CASRN
4298-52-6
MFCD #
MFCD03425129
108 2-Ethynylthiophene
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
      395 995 2495
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS007140
CASRN
954236-33-0
MFCD #
MFCD09864696
126 6-Fluoro-4-methyl-pyridin-3-ylamine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 145 295 995 1995
Catalog #
FS007053
CASRN
173435-32-0
MFCD #
MFCD04112556
126 2-Fluoro-4-methyl-pyridin-3-ylamine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
  95 195 295 995 2995
Catalog #
FS008809
CASRN
617718-46-4
MFCD #
MFCD05663715
112 3-Fluoroazetidine Hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
195 295 495 995 2995 6995
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 #
FS007939
CASRN
54709-94-3
MFCD #
110 3-Hydroxy-5-methyl-pyridazine
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 495 1795 2995
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 Number Structure FW Chemical Name (Purity)  
Catalog #
FS007136
CASRN
152922-71-9
MFCD #
MFCD08235273
111 (1-Hydroxymethyl-cyclopropyl)-acetonitrile
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
      295 795 1950
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 #
FS000701
CASRN
288-16-4
MFCD #
MFCD00020818
85 Isothiazole
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
    195 495 1595 3995
Catalog #
FS007102
CASRN
162515-68-6
MFCD #
MFCD03411600
146 (1-Mercaptomethyl-cyclopropyl)-acetic acid
(Purity >%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 395 1450 4350
Catalog #
FS010791
CASRN
847818-55-7
MFCD #
126 1-Methyl-1H-pyrazole-4-boronic acid hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 195 295 495 1495 4995
Catalog #
FS005040
CASRN
915402-10-7
MFCD #
MFCD09834615
134 (3-Methylenecyclobutyl)methanamine hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
      950 2550 3950
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS000658
CASRN
693-92-5
MFCD #
MFCD00955579
99 3-methylisothiazole
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
    395 495 2495 6495
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 #
FS000717
CASRN
931-07-7
MFCD #
MFCD01716903
130 4-Nitro-isothiazole
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 295 495 1950 3995  
Catalog #
FS011416
CASRN
6635-88-7
MFCD #
MFCD06657774
134 (1-Oxy-pyridin-3-yl)-acetonitrile
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 295 1350 3950
Catalog #
FS001241
CASRN
37988-38-8
MFCD #
MFCD00209259
137 2-Pyridin-2-yl-propan-2-ol
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
75 95 195 495 1995 6495
Catalog #
FS001256
CASRN
225647-12-1
MFCD #
MFCD00829762
122 4,5,6,7-Tetrahydro-1H-benzoimidazole
(Purity >95%)
In Stock: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
95 245 495 1195 3995 7995
Catalog Number Structure FW Chemical Name (Purity)  
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 95 195 395 1350 2950
Catalog #
FS007542
CASRN
64527-28-2
MFCD #
MFCD02598860
 100  4-Amino-isothiazole
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1995      
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
          1450  2950  4950
Catalog #
FS000771
CASRN
273-77-8
MFCD #
MFCD00047265
 136  Benzo[1,2,3]thiadiazole
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1350  2950  4950
Catalog #
FS002055
CASRN
14315-15-2
MFCD #
MFCD00130098
 148  3-Bromo-2-nitro-benzo[b]thiophene
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2950  4950
Catalog #
FS000659
CASRN
20067-16-7
MFCD #
MFCD08706054
 134  5-Chloro-3-methyl-isothiazole
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1350  2950  4950
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS001107
CASRN
38186-84-4
MFCD #
MFCD04972725
 146  2-Chloro-5-fluoro-6-methylpyridine
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          995  1995  2995
Catalog #
FS001091
CASRN
189449-41-0
MFCD #
MFCD09743993
 144  (4-Chloro-pyridin-3-yl)-methanol
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
                1450
Catalog #
FS005044
CASRN
122813-75-6
MFCD #
MFCD00116489
 131  1-Cyclopropylhydrazinecarbothioamide
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2450  3950
Catalog #
FS011269
CASRN
96193-27-0
MFCD #
MFCD09752820
 126  (R)-1,4-Diazobicyclo[4.3.0]nonane
(Purity >98%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          495  1495  5495
Catalog #
FS005300
CASRN
7544-75-4
MFCD #
MFCD00790772
 121  4,5-Dihydro-3H-pyrrol-2-ylamine hydrochloride
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
             1950  3950
Catalog #
FS001678
CASRN
902137-92-2
MFCD #
MFCD08706436
 140  5,10-Dioxa-spiro[3.6]dec-7-ene
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1350  2950  4950
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS011338
CASRN
6008-52-2
MFCD #
MFCD06657762
 134  [1,3]Dithiepane
(Purity >95%)
 Special order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2450  3950
Catalog #
FS005021
CASRN
83335-28-8
MFCD #
MFCD02823969
 138  2-Ethenylthio-pyrimidine
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1350  2950  4950
Catalog #
FS005046
CASRN
83962-06-5
MFCD #
MFCD00138066
 112  4-Ethyl-1,3-dihydro-imidazol-2-one
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          995  2495  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 #
FS010919
CASRN
70702-75-9
MFCD #
MFCD09834624
 121  3-Isopropenyl-1-methyl-1H-pyrrole
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          495  1950  3450
Catalog #
FS000669
CASRN
4767-80-0
MFCD #
MFCD08706343
 136  Isothiazolo[5,4-b]pyridine
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2450  4950
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS011494
CASRN
62119-77-1
MFCD #
MFCD09834575
 140  3-(2-Ketopropyl)-thiophene
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2950  4950
Catalog #
FS005047
CASRN
1192-34-3
MFCD #
 98  4-Methyl-1,3-dihydro-imidazol-2-one
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1995  4995   
Catalog #
FS010913
CASRN
99838-33-2
MFCD #
MFCD09834619
 137  8-Methyl-3-methylene-8-aza-bicyclo[3.2.1]octane
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2450  3450
Catalog #
FS000668
CASRN
63604-59-1
MFCD #
 133  2-Methyl-3H-imidazo[4,5-c]pyridine
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1995  3995   
Catalog #
FS010914
CASRN
13669-28-8
MFCD #
MFCD09834620
 111  1-Methyl-4-methylene-piperidine
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          995  2495  3995
Catalog #
FS007295
CASRN
1073-19-4
MFCD #
MFCD11036121
 144  5-Methyl-4-nitro-isothiazole
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1950  3990  6990
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS007296
CASRN
1073-18-3
MFCD #
MFCD11036122
 144  3-Methyl-4-nitro-isothiazole
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1390  3990  9900
Catalog #
FS001319
CASRN
54149-64-3
MFCD #
MFCD09838139
 124  O-(2-Methyl-allyl)-hydroxylamine hydrochloride
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  1995  2995
Catalog #
FS000716
CASRN
693-97-0
MFCD #
MFCD00003160
 99  5-Methyl-isothiazole
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2995  3995
Catalog #
FS000306
CASRN
2432-21-5
MFCD #
MFCD11035945
 146  4-Methyl-pteridine
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2950  5950
Catalog #
FS005041
CASRN
885267-01-6
MFCD #
MFCD08706303
 126  N'-Hydroxy-3-methylenecyclobutanecarboximidamide
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2450  3950
Catalog #
FS011287
CASRN
93643-24-4
MFCD #
 126  (S)-Octahydro-pyrrolo[1,2-a]pyrazine
(Purity >98%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
       295  495  1950  5950
Catalog Number Structure FW Chemical Name (Purity)  
Catalog #
FS007104
CASRN
23761-23-1
MFCD #
MFCD00100900
 114  3-Oxo-cyclobutanecarboxylic acid
(Purity >95%)
 *Special Order: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
 75  95  195  445  1345  3495
Catalog #
FS009500
CASRN
763120-58-7
MFCD #
 112  Pyrazole-4-boronic acid
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          495  1495  3995
Catalog #
FS011491
CASRN
1607838
MFCD #
MFCD00092717
 135  1-Pyridin-2-yl-propan-2-one
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2450  4950
Catalog #
FS011492
CASRN
6302-03-0
MFCD #
 135  1-Pyridin-3-yl-propan-2-one
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          950  2450  4950
Catalog #
FS005048
CASRN
908333-99-3
MFCD #
MFCD08706449
 124  3,4,5,6-Tetrahydro-1H-cyclopentaimidazol-2-one
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          995  2495  3995
Catalog #
FS000750
CASRN
53245-06-0
MFCD #
MFCD08706076
 118  Tetrahydrothiophene-1,1-diylidenediamine
(Purity >95%)
 Special Order*: Price in US$
10
mg
100
mg
250
mg
1g 5g 20g
          1550  2950  4950


*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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