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Rare and Unique Substructures

*Note concerning Special Order chemicals: these are made to order in 1 to 8 weeks.
The minimum order size is 1, 5, or 20 grams. Prices are listed in the catalog for available quantities only.
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS000682 42242-06-8 In Stock 151 3-Aminoisothiazolo[3,4-b]pyridine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 295 495 1350 3950  
FS001314 850411-24-4 In Stock 200 4-(aminooxy)butanoic acid, hydrobromide, > 90% pure
 		>90%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 80 95 195 950 2950
FS001313 850411-23-3 In Stock 214 5-(aminooxy)pentanoic acid, hydrobromide, >90% pure
 		>90%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 80 95 195 950 2950
FS001318 448954-98-1 In Stock 228 6-Aminooxy-hexanoic acid; hydrobromide
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 80 95 195 950 2950
FS000766 850349-22-3 In Stock 214 2-Azetidin-1-yl-5-bromo-pyrimidine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
195 295 495 995 2995 5995
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS002083 17557-84-5 In Stock 108 3-Azetidinone hydrochloride, contained one hydrate
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 145 245 495 2295 3995
FS007143 628692-17-1 In Stock 178 1-Benzothien-7-ylboronic acid
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995 3495  
FS002216 864759-61-5 In Stock 319 4-(Benzo[b]thiophene-3-sulfonyl)-piperazine hydrochloride
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 175      
FS000276 176505-40-1 In Stock 489 (S)-benzyl 2-(tert-butoxycarbonylamino)-2-(4-(trifluoromethyl
sulfonyloxy)phenyl)acetate 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    95 295 1295 3995
FS002217 864759-62-6 In Stock 432 1-Benzyl-4-(2-bromo-benzenesulfonyl)- piperazine hydrochlori
de 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 190 390    
FS010892 135481-57-1 Available Soon 257 6-Benzyl-5,6,7,8-tetrahydro-1H-pyrido[4,3-d]pyrimidine-2,4-di
one 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    800 1900 2900  
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS002215 864759-60-4 In Stock 348 {2-Benzyl-[2-methoxy-benzenesulfonyl)-amino]-ethyl}-dimethyla
mine hydrochloride, 96% pure 		>96%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 135 195    
FS000696 147330-32-3 In Stock 222 5-Biphenyl-2-yl-2H-tetrazole
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 145 295 495    
FS002208 188890-74-6 In Stock 222 5-Biphenyl-3-yl-2H-tetrazole, 99% pure
 		>99%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 145 295 495 1995  
FS000075 6512-83-0 In Stock 400 Bis(2-carboxyphenyl)diselenide
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
150 250 490 1495 5595  
FS000078 86571-08-6 In Stock 321 Bis(2-carboxyphenyl)selenide
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
150 250 490 1100    
FS000077 35507-35-8 In Stock 342 Bis(4-aminophenyl)diselenide
>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
150 350 750 1500    
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS000076 36297-88-8 In Stock 400 Bis(4-carboxyphenyl)diselenide
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
150 250 490 1100    
FS000742 127842-54-0 In Stock 238 3,4-Bis-difluoromethoxy-benzaldehyde
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1350 2950 4950
FS061088 207799-10-8 In Stock 273 2-(Boc-amino)-4-bromopyridine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 125 250 450 1995 3995
FS011268 398489-26-4 In Stock 171 1-Boc-azetidin-3-one
 		>98%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
  75 95 195 450 995
FS010906 276872-89-0 In Stock 197 N-Boc-3-Methylene-piperidine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      495 1995 3995
FS011314 760995-51-5 In Stock 255 5-Bromo-1,1-(ethylenedioxo)-indane
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 145 295 950 2495 3995
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS011349 850349-56-3 In Stock 287 5-Bromo-1,1-(ethylenedithio)-indane
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 195 295 495 1900  
FS011447 191602-70-7 In Stock 264 2-Bromo-1-(2-fluoro-ethoxy)-4-nitro-benzene
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 295 495 995 2995 4995
FS007107 147992-27-6 In Stock 241 4-Bromo-1-difluoromethoxy-2-fluoro-benzene
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      495 1995 3995
FS007110 888327-32-0 In Stock 237 4-Bromo-1-difluoromethoxy-2-methyl-benzene
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      495 1995 3995
FS000280 850411-25-5 In Stock 213 3-Bromo-1-methyl-1,2,5,6-tetrahydropyridine hydrochloride
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 295 495 2295 4495
FS000286 148038-83-9 In Stock 214 6-Bromo-1H-imidazo[4,5-b]pyridin-2(3H)-one
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1995 2995
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS000624 90993-26-3 In Stock 198 7-Bromo-1H-imidazo[4,5-c]pyridine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 295 495 995 3995  
FS000283 105544-36-3 In Stock 229 7-Bromo-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
195 495 995 1995 2995 5995
FS002017 137553-43-6 In Stock 239 7-Bromo-2,4-diaminoquinazoline
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 145 245 495 2295 3995
FS000637 137105-52-3 In Stock 305 1-Bromo-2-(2,2-diethoxy-ethylsulfanyl)-benzene
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      75 340 1195
FS007055 884495-15-2 In Stock 251 5-Bromo-2-chloro-4-methyl-3-nitro-pyridine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 195 295 495 1395 2995
FS007108 954235-78-0 In Stock 241 4-Bromo-2-difluoromethoxy-1-fluoro-benzene
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      995 1995 3995
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS007111 954235-83-7 In Stock 241 1-Bromo-2-difluoromethoxy-4-fluoro-benzene
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      495 1995 3995
FS002214 864759-59-1 In Stock 370 4-(4-Bromo-2-ethyl-benzenesulfonyl)-piperazine hydrochloride,
99% pure 		>99%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75          
FS007287 156682-53-0 In Stock 191 3-Bromo-2-fluoro-phenol
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 125 245 495 1995 3995
FS002037 10243-15-9 In Stock 227 3-Bromo-2-methyl-benzo[b]thiophene
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
95 295 495 950 2495 3995
FS000301 908334-04-3 In Stock 230 4-Bromo-2-nitro-benzaldehyde
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 145 295 1295 3495
FS000631 13577-72-5 In Stock 266 6-Bromo-2-trifluoromethyl-3H-imidazo[4,5-b]pyridine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 125 245 495 1995 3995
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS001030 4635-08-9 In Stock 188 5-Bromo-3,4-diaminopyridine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
  95 195 495 1995 3995
FS002085 55580-08-0 In Stock 241 7-Bromo-3,4-dihydro-2H-benzo[b]oxepin-5-one
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      195 950 2950
FS001305 850349-98-3 In Stock 281 [(4-bromo-3-chlorophenyl)amino]hydrazinomethane-1-thione
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
    75 95 445  
FS000661 85508-99-2 In Stock 193 4-Bromo-3-methyl-isothiazol-5-ylamine
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
75 95 195 495 1995 3995
FS000660 20493-60-1 In Stock 178 5-Bromo-3-methyl-isothiazole
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      1250 4250  
FS005062 31827-94-8 In Stock 325 2-bromo-4'-iodoacetophenone
 		>95%
Price in US$
10
mg		 100
mg		 250
mg		 1g 5g 20g
      95 395 1495
Catalog
Number		 CASRN Structure Availability FW Chemical Name Purity  
FS003005 249647-24-3 In Stock 341 3-Bromo-4-iodobenzoic acid methyl ester
 		>95%
Price in US$
10
mg