Allopurinol(315-30-0)
Product Description
● Allopurinol and its metabolites can inhibit xanthine oxidase, so that hypoxanthine and xanthine cannot be converted into uric acid, i.e., the synthesis of uric acid is reduced, which in turn lowers the concentration of uric acid in blood and reduces the deposition of urate in bones, joints and kidneys.
● Allopurinol is used for the treatment of gout and is suitable for people with recurrent or chronic gout.
| TESTS | SPECIFICATIONS&LIMITS | RESULTS |
| Appearance | White or almost white powder | Complies |
| Identification | Conform with IR spectrum | Complies |
| Related Substances (%) | Impurity A NMT 0.2 | Not detected |
| Impurity B NMT 0.2 | Not detected | |
| Impurity C NMT 0.2 | Complies | |
| Impurity D NMT 0.2 | Not detected | |
| Impurity E NMT 0.2 | Not detected | |
| Impurity F NMT 0.2 | Not detected | |
| Any individual unspecified impurity: not more than 0.1 % | Complies | |
| Total impurities: not more than 1.0% | Complies | |
| Limited of hydrazine | NMT10PPM | Complies |
| Loss on drying (%) | NMT0.5 | 0.06% |
| Assay (%) | 98.0-102.0 | 99.22% |
| Conclusion | complies with USP37 | |
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