Nitrofurantoin CAS NO.67-20-9

Molecular formula:C8H6N4O5 Molecular weight:238.16 Property:It is yellow crystal powder,odorless ,bitter taste,it will turn dark in the light,it can…

Molecular formula:C8H6N4O5 Molecular weight:238.16 Property:It is yellow crystal powder,odorless ,bitter taste,it will turn dark in the light,it can absorb moisture and become nitrofurantoin. Specification: A:Accord with China Pharmacopoeia 2005 edition Appearance:yello crystal powder Assay:98.0~102.0% Loss on drying:Not more than 1.0% Reidue on ignition:Not more than 0.1% Acidity:5.5~7.0 B:Accord with British Pharmacopoeia (2005) edition Appearance:bright yellow crystal powder Assay:98.0~102.0% Loss on drying:Not more than 1.0% Sulphated ash:Not more than 0.1% C:Accord with Europe Pharmacopoeia III edition Appearance:A yellow crystalline powder of crystals,odourless or almost odourless Very slightly soluble in water and ethanol(96%);soluble in dimetylformamide. Assay:98.0~102.0% Loss on drying:Not more than 1.0% Sulphated ash:Not more than 0.1% D:Accord with United States Pharmacopoeia 29 edition Appearance:A yellow crystalline powder. Assay:98.0~102.0% Water:Not more than 1.0% Limit of Nitrofurfural Diacetate:Not more than 0.1% Limit of Nitrofurazone(FDA):Not more than 0.01% Use: It is a antibacterial. Registered number of approval:National drug standard H37022205