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Famotidine Cyanoethyl Impurity

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Cat. No: IS2-1156

CAS Number:   76823-93-3

Product Details:  Molecular Formula : C8H11N5S2; MW : 241.3

IUPAC:  2-[4-(2-cyanoethylsulfanylmethyl)-1,3-thiazol-2-yl]guanidine

Synonyms:  76823-93-3; 2-[4-(2-Cyanoethylthio)methyl]thiazolyl guanidine; 2-(4-(((2-Cyanoethyl)thio)methyl)thiazol-2-yl)guanidine; Guanidine, (4-(((2-cyanoethyl)thio)methyl)-2-thiazolyl)-; 2-[4-(2-cyanoethylsulfanylmethyl)-1,3-thiazol-2-yl]guanidine; 3-(2-GUANIDINO-THIAZOL-4-YL-METHYLTHIO)-PROPIONITRILE

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Brimonidine EP Impurity A

$625.00$1,250.00

Cat. No: IS2-1155

CAS Number:   91147-43-2

Product Details:  Molecular Formula : C11H11N5; MW : 213.24

IUPAC:  N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine

Synonyms:  91147-43-2; N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine; CHEMBL49395; Brimonidine impurity II; 6-Quinoxalinamine, N-(4,5-dihydro-1H-imidazol-2-yl)-; Brimonidine EP Impurity A

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Brimonidine Impurity E

$520.00$1,041.00

Cat. No: IS2-1154

CAS Number:   168329-48-4

Product Details:  Molecular Formula : C9H8BrN5; MW : 266.1

IUPAC:  2-(5-bromoquinoxalin-6-yl)guanidine

Synonyms:  168329-48-4; 1-(5-Bromoquinoxalin-6-yl)guanidine; CHEMBL883; SGH4FMM6SE; UNII-SGH4FMM6SE; Brimonidine EP Impurity E

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Brimonidine EP Impurity D

$291.00$583.00

Cat. No: IS2-1153

CAS Number:   842138-74-3

Product Details:  Molecular Formula : C9H7BrN4S; MW : 283.15

IUPAC:  (5-bromoquinoxalin-6-yl)thiourea

Synonyms:  842138-74-3; 1-(5-Bromoquinoxalin-6-yl)thiourea; (5-bromoquinoxalin-6-yl)thiourea; N-(5-BROMOQUINOXALIN-6-YL)THIOUREA; Brimonidine Impurity I; C9H7BrN4S

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3-O-Ethyl-L-ascorbic Acid

$166.00$333.00

Cat. No: IS2-1152

CAS Number:   86404-04-8

Product Details:  Molecular Formula : Request Info; MW : Request Info

IUPAC:  Request Info

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Benzocaine Impurity 1

$166.00$333.00

Cat. No: IS2-1151

CAS Number:   302776-68-7

Product Details:  Molecular Formula : C24H31NO4; MW : 397.5

IUPAC:  hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate

Synonyms:  32776-68-7; Diethylamino hydroxybenzoyl hexyl benzoate; Hexyl 2-(4-(diethylamino)-2-hydroxybenzoyl)benzoate; Uvinul A Plus; Hexyl 2-[4-(Diethylamino)-2-hydroxybenzoyl]benzoate; Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-, hexyl ester

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Pomalidomide Impurity D

$208.00$416.00

Cat. No: IS2-1150

CAS Number:   19171-18-7

Product Details:  Molecular Formula : C13H9N3O6; MW : 33.23

IUPAC:  2-(2,6-dioxopiperidin-3-yl)-4-nitroisoindole-1,3-dione

Synonyms:  19171-18-7; 2-(2,6-dioxopiperidin-3-yl)-4-nitroisoindoline-1,3-dione; 4-Nitrothalidomide; 3-Nitrothalidomide; 2-(2,6-dioxopiperidin-3-yl)-4-nitroisoindole-1,3-dione; N-(2,6-Dioxo-3-piperidyl)-3-nitrophthalimide

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Acetazolamide EP Impurity F

$520.00$1,041.00

Cat. No: IS2-1149

CAS Number:   80495-47-2

Product Details:  Molecular Formula : C8H9N7O6S4; MW : 427.5

IUPAC:  N-[5-[(5-acetamido-1,3,4-thiadiazol-2-yl)sulfonylsulfamoyl]-1,3,4-thiadiazol-2-yl]acetamide

Synonyms:  8495-47-2; Acetazolamide Impurity F; Bis(5-(acetylamino)-1,3,4-thiadiazole-2-sulfonyl)amine; UNII-FPU5ZTA94I; FPU5ZTA94I; Bis[5-(acetylamino)-1,3,4-thiadiazole-2-sulfonyl]amine

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Acetazolamide EP Impurity B

$375.00$750.00

Cat. No: IS2-1148

CAS Number:   5393-55-5

Product Details:  Molecular Formula : C4H5N3OS; MW : 143.17

IUPAC:  N-(1,3,4-thiadiazol-2-yl)acetamide

Synonyms:  n-(1,3,4-thiadiazol-2-yl)acetamide; 5393-55-5; 2-Acetylamino-1,3,4-thiadiazole; Acetazolamide Impurity B; Acetamide, N-1,3,4-thiadiazol-2-yl-; UNII-26F2JMPP8

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Acetazolamide EP Impurity D

$375.00$750.00

Cat. No: IS2-1147

CAS Number:   14949-00-9

Product Details:  Molecular Formula : C2H4N4O2S2; MW : 18.21

IUPAC:  5-amino-1,3,4-thiadiazole-2-sulfonamide

Synonyms:  5-Amino-1,3,4-thiadiazole-2-sulfonamide; 14949--9; Tio-urasin; Zolamide; CL 5343; 5-Amino-TDSNH2

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Acetazolamide EP Impurity C

$375.00$750.00

Cat. No: IS2-1146

CAS Number:   32873-56-6

Product Details:  Molecular Formula : C4H5N3OS2; MW : 175.2

IUPAC:  N-(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)acetamide

Synonyms:  2-Acetylamino-5-mercapto-1,3,4-thiadiazole; 32873-56-6; Acetazolamide Impurity C; 2-Acetamido-5-mercapto-1,3,4-Thiadiazole; UNII-6B8475348K; N-(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)acetamide

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Acetazolamide EP Impurity E

$375.00$750.00

Cat. No: IS2-1145

CAS Number:   827026-60-8

Product Details:  Molecular Formula : C4H5N3O4S2; MW : 223.2

IUPAC:  5-acetamido-1,3,4-thiadiazole-2-sulfonic acid

Synonyms:  82726-6-8; 5-acetamido-1,3,4-thiadiazole-2-sulfonic acid; UNII-R18Y51SMI; R18Y51SMI; 2-(Acetylamino)-5-sulfo-1,3,4-thiadiazole; Acetazolamide Impurity E

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