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Home » Products » Heterocycles (5-membered ring)
Heterocycles (5-membered ring)
  Structure FW Chemical Name and % Purity Click Price to Add to Shopping Cart
Catalog #:   FS000662
CASRN:   41808-35-9
MFCD #:   MFCD03422694
Lead time: 4 weeks
139 5-Amino-3-methyl-isothiazole-4-carbonitrile
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
          1995 2995  
Catalog #:   FS000814
CASRN:   1820-80-0
MFCD #:   MFCD00005236
Lead time: IN STOCK
83 3-Aminopyrazole
(Purity >95%)
At least 7.74 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
  75 80 95 115      
Catalog #:   FS000696
CASRN:   147330-32-3
MFCD #:   MFCD07778487
Lead time: IN STOCK
222 5-Biphenyl-2-yl-2H-tetrazole
(Purity >95%)
At least 3.42 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
125 145 295 495        
Catalog #:   FS000661
CASRN:   85508-99-2
MFCD #:   MFCD00159755
Lead time: IN STOCK
193 4-Bromo-3-methyl-isothiazol-5-ylamine
(Purity >95%)
At least 1.52 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 95 195 495 1995 2995 3995  
Catalog #:   FS000463
CASRN:   850348-68-4
MFCD #:   MFCD06657689
Lead time: IN STOCK
259 2-(3-Bromo-phenoxymethyl)-[1,3]dioxolane
(Purity >95%)
At least 17.98 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 80 85 90 120 935 1750  
Catalog #:   FS000719
CASRN:   850349-06-3
MFCD #:   MFCD08706070
Lead time: IN STOCK
224 4-(2-Bromo-phenyl)-oxazole
(Purity >95%)
At least 0.55 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
295 495 995          
  Structure FW Chemical Name and % Purity Click Price to Add to Shopping Cart
Catalog #:   FS005030
CASRN:   864685-49-4
MFCD #:   MFCD08062352
Lead time: IN STOCK
346 4-(3-Bromo-phenyl)-2-phenoxymethyl-thiazole
(Purity >98%)
At least 0.13 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
85 115            
Catalog #:   FS005031
CASRN:   864685-50-7
MFCD #:   MFCD08062353
Lead time: IN STOCK
402 4-(3-Bromo-phenyl)-2-(4-tert-butyl-phenoxymethyl)-thiazole
(Purity >98%)
At least 0.23 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
85 115            
Catalog #:   FS000573
CASRN:   3034-55-7
MFCD #:   MFCD07787394
Lead time: IN STOCK
164 5-Bromothiazole
(Purity >95%)
At least 3.5 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
    69 75 1695 2345 2995  
Catalog #:   FS000850
CASRN:   7311-64-0
MFCD #:   MFCD00052291
Lead time: IN STOCK
207 3-Bromothiophene-2-carboxylic acid
(Purity >95%)
At least 0.93 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 80 90          
Catalog #:   FS005032
CASRN:   5918-93-4
MFCD #:   MFCD00040252
Lead time: IN STOCK
84 1,3-Dihydro-imidazol-2-one
(Purity >95%)
At least 15.42 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
195 395 495 695 1950 2973 3995  
Catalog #:   FS001691
CASRN:   2302-39-8
MFCD #:   MFCD01646351
Lead time: IN STOCK
96 4,5-Dimethyl-1H-imidazole
(Purity >95%)
At least 13.2 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
135 195 395 895 2995 3995 4995  
  Structure FW Chemical Name and % Purity Click Price to Add to Shopping Cart
Catalog #:   FS000471
CASRN:   23145-22-4
MFCD #:   MFCD06657697
Lead time: IN STOCK
208 2-([1,3]Dioxolan-2-ylmethoxy)-benzaldehyde
(Purity >95%)
At least 16.12 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 80 85 90 176 290 490  
Catalog #:   FS000539
CASRN:   864754-17-6
MFCD #:   MFCD08272028
Lead time: IN STOCK
280 1-[1,3]Dioxolan-2-ylmethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole
(Purity >95%)
At least 0.9 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
80 95 145 495 1495 2745 3995  
Catalog #:   FS000852
CASRN:   175276-82-1
MFCD #:   MFCD00052833
Lead time: IN STOCK
271 2-(4-(1,3-dithiolan-2-yl)phenoxy)ethanethioamide
(Purity >95%)
At least 0.67 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 85 95          
Catalog #:   FS000476
CASRN:   850348-88-8
MFCD #:   MFCD06657701
Lead time: IN STOCK
252 Ethyl-3-([1,3]dioxolan-2-ylmethoxy)-benzoate
(Purity >95%)
At least 20.66 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
95 112 124 178 575 890 1050  
Catalog #:   FS000857
CASRN:   96860-19-4
MFCD #:   MFCD00060333
Lead time: IN STOCK
171 4-(2-Furfuryl)-3-thiosemicarbazide
(Purity >95%)
At least 0.96 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 80 90          
Catalog #:   FS000701
CASRN:   288-16-4
MFCD #:   MFCD00020818
Lead time: IN STOCK
85 Isothiazole
(Purity >95%)
At least 4.35 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
  75 95 295 1295 2145 2995  
  Structure FW Chemical Name and % Purity Click Price to Add to Shopping Cart
Catalog #:   FS000474
CASRN:   850348-86-6
MFCD #:   MFCD06657700
Lead time: IN STOCK
210 2-(3-Methoxy-phenoxymethyl)-[1,3]dioxolane
(Purity >95%)
At least 22.26 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
  95 140 305 345 1236 1750  
Catalog #:   FS000878
CASRN:   121071-71-4
MFCD #:   MFCD00205189
Lead time: IN STOCK
252 Methyl 4-aminothiophene-2,3-dicarboxylate hydrochloride
(Purity >95%)
At least 1.27 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 75 80 107 515 1243 1970  
Catalog #:   FS000658
CASRN:   693-92-5
MFCD #:   MFCD00955579
Lead time: IN STOCK
99 3-methylisothiazole
(Purity >95%)
At least 1.29 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
  295 495 1495 1995 2745 3495  
Catalog #:   FS000717
CASRN:   931-07-7
MFCD #:   MFCD01716903
Lead time: IN STOCK
130 4-Nitro-isothiazole
(Purity >95%)
At least 7.2 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
  495 895 2496 3596      
Catalog #:   FS000473
CASRN:   179246-35-6
MFCD #:   MFCD06657699
Lead time: IN STOCK
225 2-(4-Nitro-phenoxymethyl)-[1,3]dioxolane
(Purity >95%)
At least 13.5 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
95 112 124 178 405 1121 1750  
Catalog #:   FS005034
CASRN:   623547-65-9
MFCD #:   MFCD07357406
Lead time: IN STOCK
140 4-tert-Butyl-1,3-dihydro-imidazol-2-one
(Purity >95%)
At least 15.43 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
85 90 95 125 1650 2300 2950  
  Structure FW Chemical Name and % Purity Click Price to Add to Shopping Cart
Catalog #:   FS000538
CASRN:   864754-16-5
MFCD #:   MFCD08706026
Lead time: IN STOCK
280 [4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-acetic acid ethyl ester
(Purity >95%)
At least 3 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
  75 79 113 1995 2495 2995  
Catalog #:   FS000540
CASRN:   864754-18-7
MFCD #:   MFCD08062342
Lead time: IN STOCK
307 4-{2-[4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-ethyl}-morpholine
(Purity >95%)
At least 2.68 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 85 95 150 2195 2845 3495  
Catalog #:   FS008996
CASRN:   1083180-00-0
MFCD #:   MFCD09746338
Lead time: Special Order*
211 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
    995 1695 4995      
Catalog #:   FS000541
CASRN:   864754-19-8
MFCD #:   MFCD08706027
Lead time: IN STOCK
290 4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1-thiophen-2-ylmethyl-1H-pyrazole
(Purity >95%)
At least 4.92 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
  125 245 431 1995 2745 3495  
Catalog #:   FS000903
CASRN:   269410-08-4
MFCD #:   MFCD03453063
Lead time: IN STOCK
194 4,4,5,5-Tetramethyl-2-(1H-pyrazol-4-yl)-1,3,2-dioxaborolane
(Purity >95%)
At least 0.82 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 95 95          
Catalog #:   FS000898
CASRN:   96107-94-7
MFCD #:   MFCD02683105
Lead time: IN STOCK
164 1H-Tetrazole-5-carboxylic acid ethyl ester sodium salt
(Purity >95%)
At least 3.56 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 80 85 95        
  Structure FW Chemical Name and % Purity Click Price to Add to Shopping Cart
Catalog #:   FS000906
CASRN:   259196-57-1
MFCD #:   MFCD00278709
Lead time: IN STOCK
298 3-[5-(2-trifluoromethoxyphenyl)2-furyl)propenoic acid
(Purity >95%)
At least 0.42 grams in stock
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
75 100 200          
Catalog #:   FS000660
CASRN:   20493-60-1
MFCD #:   MFCD01318949
Lead time: 4 weeks
178 5-Bromo-3-methyl-isothiazole
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
        3490      
Catalog #:   FS000659
CASRN:   20067-16-7
MFCD #:   MFCD08706054
Lead time: 3 weeks
134 5-Chloro-3-methyl-isothiazole
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
      1995 3495 4223 4950  
Catalog #:   FS009736
CASRN:   80841-78-7
MFCD #:   MFCD07787494
Lead time: Special Order*
149 4-Chloromethyl-5-methyl-1,3-dioxol-2-one
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
        495 645 795  
Catalog #:   FS000478
CASRN:   21734-85-0
MFCD #:   MFCD08234803
Lead time: 1 week
135 5-Chloro-3-methyl-[1,2,4]thiadiazole
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
    495 790 1495 2495 3495  
Catalog #:   FS009934
CASRN:   1025718-96-0
MFCD #:   MFCD12405448
Lead time: Special Order*
222 2,5-Dimethylfuran-3-boronic acid, pinacol ester
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
        2995      
  Structure FW Chemical Name and % Purity Click Price to Add to Shopping Cart
Catalog #:   FS000716
CASRN:   693-97-0
MFCD #:   MFCD00003160
Lead time: Special Order*
99 5-Methyl-isothiazole
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
        2995 4495 5995  
Catalog #:   FS000477
CASRN:   30842-90-1
MFCD #:   MFCD00020814
Lead time: 9 weeks
83 3-Methyl-isoxazole
(Purity >95%)
Price in US dollars
10
mg
100
mg
250
mg
1g 5g 10g 20g 50g
        3995 5495 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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