| Name: | Allopurinol EP Impurity A |
| Catalogue No. | VL1430006 |
| CAS No. | 27511-79-1 |
| Molecular Formula | C4H6NO. ½ H2SO4 |
| Molecular Weight | 126.12 (Free Base) 175.16 (Salt) |
| Status | In-stock |
| IUPAC Name | 5-Amino-1H-pyrazole-4-carboxamide |
| Synonyms | Allopurinol USP Related Compound A |
| Appearance | Off White Powder |
| Description | Allopurinol EP Impurity A or Allopurinol USP Related Compound A (CAS No.27511-79-1) (3-Amino-4-carbamoylpyrazole Hemisulfate) is an impurity of Allopurinol Allopurinol is an oxypurine base which is a widely used drug in the management of hyperuricemia. It is rapidly and extensively absorbed with oral administration. |
| References | Murrell, G. A. C., and W. G. Rapeport. “Clinical Pharmacokinetics of Allopurinol.” Clinical Pharmacokinetics, vol. 11, no. 5, 1986, pp. 343–53, https://doi.org/10.2165/00003088-198611050-00001. |
