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Allopurinol EP Impurity A

Allopurinol EP Impurity A

Catalogue No.: VL1430006
CAS No.: 27511-79-1

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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.

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