298-46-4 Carbamazepine 5-carbamoyl-5h-dibenz[b,f]azepine
Product name :Carbamazepine
CAS NO : 298-46-4
Chemical formula : C15H12N2O
Molecular Weight : 236.3
PRODUCT NAME |
Carbamazepine |
|
Item |
Specification |
Results |
Appearance |
White or almost white, crystalline powder |
Conforms |
Solubility |
very slightly soluble in water ,freely soluble in methylene chloride, sparingly soluble in acetone and in ethanol (96%) |
Conforms |
Identification |
(1) A. Melting Point : 189°C to 193°C (2) B. IR: very slightly soluble in water ,freely soluble in methylene Chloride, sparingly soluble in acetone and in ethanol (96%) |
Conforms |
PH |
Positive |
Conforms |
Related substances (BY HPLC) |
Impurity A:Not More than 0.1% Impurity E:Not More than 0.1% Unspecified impurities :Not More than 0.1% Total impurities : Not more than 0.5% Disregard limit :Not more than 0.05% |
Conforms Conforms Conforms 0.31% Conforms |
Heavy metals |
≤20ppm |
Conforms |
Loss on drying |
≤0.5% |
0.3 % |
Sulphated ash |
≤0.1% |
0.02% |
Chlorides |
≤140ppm |
Conforms |
Assay (on dried substance) |
98.0% ~ 102.0% |
100.4% |
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