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Home » Products » Water Solublity Enhancement
Water Solublity Enhancement
Small (FW<200), monofunctional, aliphatic buildling blocks with water solubilizing groups (sulfone, ether, hydroxy, carboxy, amide, trialkylamine, carbamate, ester, etc.). Ideal for improving the bioavailability of your drug candidate series.
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS010213
CASRN:   10196-40-4
MFCD #:   MFCD17012890
142 3-(Allyloxymethyl)-3-methyloxetane
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
75 95 155 295 990 3995  
Catalog #:   FS010000
CASRN:   6246-05-5
MFCD #:   MFCD12547197
87 3-Aminomethyl-oxetane
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    995 1995 4395 12900  
Catalog #:   FS002083
CASRN:   17557-84-5
MFCD #:   MFCD01861742
108 3-Azetidinone hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
195 395 495 795 2295 3995  
Catalog #:   FS011275
CASRN:   141699-55-0
MFCD #:   MFCD04115305
173 1-Boc-3-(hydroxy)azetidine
(Purity >98%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        215 290 995
Catalog #:   FS011266
CASRN:   177947-96-5
MFCD #:   MFCD06656142
185 1-Boc-3-azetidinecarboxaldehyde
(Purity >98%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      495 890 2595  
Catalog #:   FS011268
CASRN:   398489-26-4
MFCD #:   MFCD01861741
171 1-Boc-azetidin-3-one
(Purity >98%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        115 395 1495
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS009356
CASRN:   77600-79-4
MFCD #:   MFCD13190456
178 2-Bromo-N-cyclopropyl-acetamide
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
75 95 155 295 1995    
Catalog #:   FS002099
CASRN:   885267-00-5
MFCD #:   MFCD08706308
178 N-Bromoacetylazetidine
(Purity >95%)
At least 5 grams in stock
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
95 125 245 495 2995 5990  
Catalog #:   FS007340
CASRN:   15441-07-3
MFCD #:   MFCD07339056
187 3-Chlorosulfonyl-propionic acid methyl ester
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    495 695 1695 3495  
Catalog #:   FS000025
CASRN:   15674-67-6
MFCD #:   MFCD00012611
182 3-(Diethylamino)-propionic acid hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
          95  
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 50g
75 95 195 395 1950    
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 50g
    595 890 2995 4995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS001006
CASRN:   51642-03-6
MFCD #:   MFCD00456584
172 1,1-Dioxo-tetrahydrothiophen-3-ylamine, hydrochloride
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    95 135 570 1670  
Catalog #:   FS010214
CASRN:   1227382-11-7
MFCD #:   MFCD17012891
188 Ethyl 2-((3-methyloxetan-3-yl)methoxy)acetate
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
95 125 245 495 1450 3995  
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 50g
      295 795 1950  
Catalog #:   FS007102
CASRN:   162515-68-6
MFCD #:   MFCD03411600
146 (1-Mercaptomethyl-cyclopropyl)-acetic acid
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    75 95 395 4350  
Catalog #:   FS009027
CASRN:   51517-01-2
MFCD #:   MFCD10032391
159 2-Methoxyethanesulfonyl chloride
(Purity >95%)
3 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    450 850 1995 3995  
Catalog #:   FS009311
CASRN:   175030-38-3
MFCD #:   MFCD12910513
103 Methoxyimino-acetic acid
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
75 85 95 295 995 2995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS007386
CASRN:   695-95-4
MFCD #:   MFCD00604222
128 Methyl 3-oxo-cyclobutanecarboxylate
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    395 895 1995 4995  
Catalog #:   FS003019
CASRN:   4572-03-6
MFCD #:   MFCD00014616
157 1-Methyl-4-(3'-aminopropyl)piperazine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
75 80 85 95      
Catalog #:   FS010116
CASRN:   99419-31-5
MFCD #:   MFCD09842436
100 3-Methyl-oxetane-3-carbaldehyde
(Purity >90%)
Special order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    395 995 2900    
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 50g
95 145 295 495 1995 3495  
Catalog #:   FS010003
CASRN:   959957-92-7
MFCD #:   MFCD11849029
86 1-Methylazetidin-3-amine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      995 1995 4995  
Catalog #:   FS010004
CASRN:   935668-43-2
MFCD #:   MFCD11848092
135 3-Methylsulfonyl-azetidine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
195 295 495 995 2495 4995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
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 50g
95 195 295 495 1995 3495  
Catalog #:   FS009202
CASRN:   6704-31-0
MFCD #:   MFCD09263255
72 Oxetan-3-one
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    195 395 995 3490  
Catalog #:   FS010107
CASRN:   1123787-67-6
MFCD #:   MFCD14586415
95 Oxetan-3-ylidene-acetonitrile
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
145 165 195 495 1995 5995  
Catalog #:   FS007104
CASRN:   23761-23-1
MFCD #:   MFCD00100900
114 3-Oxo-cyclobutanecarboxylic acid
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
75     95 395 1295 1995
Catalog #:   FS009927
CASRN:   20249-16-5
MFCD #:   MFCD01087798
95 3-Oxocyclobutanecarbonitrile
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
145 165 195 495 1995 2995  
Catalog #:   FS000866
CASRN:   10442-03-2
MFCD #:   MFCD00085157
173 4-Propargyl thiomorpholine-1,1-dioxide
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
  75 80 95 395 995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS000892
CASRN:   6723-30-4
MFCD #:   MFCD01321374
117 O-(Tetrahydro-2H-pyran-2-yl)hydroxylamine
(Purity >95%)
2 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
          1970  
Catalog #:   FS012868
CASRN:   338453-21-7
MFCD #:   MFCD07787616
185 Tetrahydro-2H-pyran-4-sulfonyl chloride
(Purity >90%)
At least 2.3 grams in stock
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    495 1195 3900 6990  
Catalog #:   FS001260
CASRN:   39093-93-1
MFCD #:   MFCD05861623
135 Thiomorpholine 1,1-dioxide
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
95 195 295 395 995 2495  
Catalog #:   FS002218
CASRN:   59801-62-6
MFCD #:   MFCD06738995
172 Thiomorpholine-1,1-dioxide hydrochloride
(Purity >90%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
75 95 195 395 1695 3250  
Catalog #:   FS010030
CASRN:   179894-05-4
MFCD #:   MFCD17012868
113 1-Acetylazetidin-3-one
(Purity >95%)
3 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      895 2995 4995  
Catalog #:   FS007612
CASRN:   1001-53-2
MFCD #:   MFCD00008163
102 N-(2-Amino-ethyl)-acetamide
(Purity >95%)
6 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        995 1995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS009093
CASRN:   3279-95-6
MFCD #:   MFCD00517034
77 2-Aminooxy-ethanol
(Purity >95%)
1 week: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      890 1900 3995  
Catalog #:   FS009915
CASRN:   749177-98-8
MFCD #:   MFCD17012863
129 2-(Azetidin-1-yl)-2-oxoacetic acid
(Purity >95%)
4 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        2995 4995  
Catalog #:   FS009737
CASRN:   134833-83-3
MFCD #:   MFCD11044961
182 2-Bromo-N-methoxy-N-methylacetamide
(Purity >95%)
3 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        1495 2995  
Catalog #:   FS002100
CASRN:   420820-65-1
MFCD #:   MFCD08706314
175 2-(3-Bromoazetidin-1-yl)-acetonitrile
(Purity >95%)
4 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      1900 3950 6950  
Catalog #:   FS007884
CASRN:   301226-25-5
MFCD #:   MFCD07779387
199 tert-Butyl 1-oxa-5-azaspiro[2.4]heptane-5-carboxylate
(Purity >95%)
2 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      1995      
Catalog #:   FS010155
CASRN:   
MFCD #:   MFCD17012926
199 tert-Butyl 3-(oxiran-2-yl)azetidine-1-carboxylate
(Purity >95%)
3 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      1295 2995 5995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS010011
CASRN:   
MFCD #:   MFCD11644020
168 3-Cyanopropane-1-sulfonyl chloride
(Purity >95%)
At least 3.9 grams in stock
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      890 2254 5644  
Catalog #:   FS010012
CASRN:   
MFCD #:   MFCD10011063
215 Ethyl 4-(chlorosulfonyl)butanoate
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      995 1995 4995  
Catalog #:   FS009200
CASRN:   7748-36-9
MFCD #:   MFCD09056790
74 3-Hydroxyoxetane
(Purity >97%)
2 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    795 895 1495 2995  
Catalog #:   FS009036
CASRN:   42170-95-6
MFCD #:   MFCD09673759
101 1-Isocyanato-2-methoxyethane
(Purity >95%)
3 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
    295 695 1995    
Catalog #:   FS009094
CASRN:   504436-74-2
MFCD #:   MFCD11618116
139 O-(2-Methanesulfonyl-ethyl)-hydroxy lamine
(Purity >95%)
4 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      895 1995 4995  
Catalog #:   FS009086
CASRN:   54149-39-2
MFCD #:   MFCD09951925
91 O-(2-Methoxy-ethyl)-hydroxylamine
(Purity >95%)
In Stock: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      495 995 2995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
Catalog #:   FS010001
CASRN:   148644-09-1
MFCD #:   MFCD06804514
124 3-Methoxyazetidine hydrochloride
(Purity >95%)
1 week: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      595 1295 3490  
Catalog #:   FS009026
CASRN:   914216-23-2
MFCD #:   MFCD09057574
215 Methyl 3-(chlorosulfonyl)-2,2-dimethylpropanoate
(Purity >95%)
2 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        2995    
Catalog #:   FS011395
CASRN:   864759-48-8
MFCD #:   MFCD06657768
175 [Methyl-(2-oxo-cyclobutyl)-amino]-acetonitrile hydrochloride
(Purity >95%)
2 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      950 2450 3950  
Catalog #:   FS009089
CASRN:   52370-43-1
MFCD #:   MFCD11613783
159 O-[2-(4-Methyl-piperazin-1-yl)-ethy l]-hydroxylamine
(Purity >95%)
2 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        1995 4995  
Catalog #:   FS061042
CASRN:   7149-42-0
MFCD #:   MFCD05022430
128 (1-Methylpiperidine-4-yl) methylamine
(Purity >95%)
Special Order*: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
        1295 2995  
Catalog #:   FS009088
CASRN:   42476-63-1
MFCD #:   MFCD09951931
146 O-(2-Morpholin-4-yl-ethyl)-hydroxyl amine
(Purity >95%)
4 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      895 1995 4995  
Catalog Number Structure FW Chemical Name and % Purity Please scroll down for more structures
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 50g
        1995 4995  
Catalog #:   FS009087
CASRN:   22460-65-7
MFCD #:   MFCD09951930
144 O-(2-Piperidin-1-yl-ethyl)-hydroxyl amine
(Purity >95%)
4 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      895 1995 4995  
Catalog #:   FS007660
CASRN:   130290-79-8
MFCD #:   MFCD02179435
115 (Tetrahydro-2H-pyran-4-yl)methanamine
(Purity >95%)
3 weeks: Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g 50g
      895 2995 6995  


*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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