Omeprazole Impurity A

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CAS Number: 37052-78-1
Molecular Formula: C₈H₈N₂OS
Molecular Weight: 180.23 g/mol

CAS Number	37052-78-1
Alternate CAS#	NA
Molecular Formula	C₈H₈N₂OS
Molecular Weight	180.23 g/mol
IUPAC Chemical Name	5-methoxy-1H-benzo[d]imidazole-2-thiol
Synonyms	1,3-Dihydro-5-methoxy-2H-benzimidazole-2-thione; Omeprazole USP Related Compound B; Esomeprazole Sodium EP Impurity A
USP Name	Omeprazole Related Compound B
EP Name	Esomeprazole Magnesium Trihydrate Impurity A; Esomeprazole Sodium EP Impurity A; Omeprazole EP Impurity A
Appearance Specifications	White to pale beige solid
Storage Condition	Refrigerator, under inert atmosphere, protect from light
Material Type	Impurity standard
Melting Point	>253°C (dec.)

Subtotal	$0.00
Total	$0.00

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