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Allopurinol impurity D
Synonym(s):
Ethyl 3-aminopyrazole-4-carboxylate, 3-Amino-4-carbethoxypyrazole
Empirical Formula (Hill Notation):
C
6
H
9
N
3
O
2
CAS Number:
6994-25-8
Molecular Weight:
155.15
EC Number:
230-262-3
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Special Grade
pharmaceutical primary standard (1)
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A0350040
Allopurinol impurity D,
European Pharmacopoeia (EP) Reference Standard
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