| post date: | jan 11,2022 |
| expiry date: | jul 10,2022 |
| detailed description: |
cas no. :5070-72-6
appearance white to pale yellow crystalline powder solubility slightly soluble in water.freely soluble in methylene chloride.sparingly soluble in acetonitrile and inanhydrous ethanol. identification a:specific b:ir the same to check sample c：reaction of bromides specific rotation +30.5°～+35.0° related compounds impurity a≤0.25% impurity c ≤0.25% mpurity d≤0.25% impurity e≤0.25% impurity b(tlc)≤0.25% total impuritics≤0.7% any other impurity≤0.1% sulphated ash acetone：≤0.1% water content not more than 4.0% organic volatile impurities a: methylene chloride nmt0.06% b:acetone nmt0.5% c:ether nmt0.5% assay （hplc） 98.0%～101.0% |
| cas registry number: | 5070-72-6 |
