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Hymecromone GMP H0386
Hymecromone GMP H0386
MANUFACTURER | GUANGZHOU HANPU PHARMACEUTICAL CO.,LTD |
SPECIFICATION | CP2010/BP/EP/JP |
PACKING | 25KG/DRUM |
CAS | 90-33-5 |
Characteristics | Almost White crystalline powders |
Solubility | very slightly soluble in water, sparingly soluble in methanol, slightly soluble in methylene chloride. It dissolves in dilute solutions of ammonia. |
Identification | Infrared absorption spectrophotometry: Positive Comparison:4-METHYL UMBELLIFERONE CRS: Positive |
Absorbance | Complies |
Related substances | Impurity A:not more than:0.05% |
Impurity B:not more than 0.05% | |
Any other impuriry:not more than 0.1% | |
Total:not more than:0.2% | |
Disregard limit: not more than :0.01% | |
Heavy metals | Maximum 10 ppm |
Loss on drying | Maximum 0.5% |
Sulphated ash | Maximum 0.1% |
Assay | 99.0%~101.0%(dried substan |