2-mercapto-5-methoxybenzimidazole
English Name: 2-Mercapto-5-methoxybenzimidazole
In this paper the alias: 5- methoxy -2- 2-mercaptobenzimidazole; 5- methoxy -2- benzimidazole mercaptan; 5- methoxy -1H- benzimidazole -2- mercaptan; 2- mercapto -5- methoxy -1H- benzimidazole; to p-aminophenol methyl ether as starting materials, using nitroxyl acetate nitrification agent as nitrification; adopts the method of catalytic hydrogenation of Rainey the reduction of nickel. Results the prepared intermediate of omeprazole 2- mercapto -5- methoxy benzimidazole esomeprazole EP impurity A.
CAS : 37052-78-1
EINECS No.: 253-326-2
The molecular formula of C8H8N2OS
The molecular weight of 180.2269
Appearance: white or off white powder
Purity: 99%
Melting point: 240 ~ 244 DEG C
The biggest single impurity: less than or equal to 0.5%
Use: Omeprazole intermediate physicochemical properties
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