| Place of Origin: | Anhui China |
|---|---|
| Brand Name: | AJA |
| Minimum Order Quantity: | 1KG |
| Price: | USD40-50/kg |
| Packaging Details: | 25KG/drum |
| CAS NO: | 90-33-5 | EINEC NO: | 201-986-7 |
|---|---|---|---|
| MF: | C10H8O3 | MW: | 176.17 |
| Apperance: | White Crystalline Powder | Usage: | API |
| Package: | 25kg/drum | Purity: | 99% |
| High Light: | 90-33-5 API And Intermediates,BP EP API And Intermediates,4 methyl umbelliferone |
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API White Crystal Powder 4-METHYL UMBELLIFERONE For Medicine
Hymecromone
| Identification | Infrared absorption spectrophotometry: Positive Comparison:4-METHYL UMBELLIFERONE CRS: Positive |
| 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. |
| 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 |
