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Product Detail
Allopurinol EP Impurity A
5-Amino-1H-pyrazole-4-carboxamide
QCC Cat No.:QA121601
CAS No.:5334-31-6;27511-79-1(1/2H2SO4 salt)
Mol. Formula:C4H6N4O
Mol. Weight:126.12
Warning:The form of the product salt may be different from the official website, please consult your local agent for details.
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Allopurinol Impurity 8
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Allopurinol EP Impurity F;Dihydralazine EP Impurity B
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Allopurinol Related Compound F(Mixture of Z and E Isomers)
QCC Cat No.: QA121606
CAS No.: 321571-07-7
Mol. Formula: C12H14N4O4
Mol. Weight: 278.26
Allopurinol EP Impurity E
QCC Cat No.: QA121605
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Mol. Formula: C7H9N3O3
Mol. Weight: 183.16
Allopurinol EP Impurity D
QCC Cat No.: QA121604
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Mol. Formula: C6H9N3O2
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Allopurinol EP Impurity C
QCC Cat No.: QA121603
CAS No.: 1346604-13-4
Mol. Formula: C6H6N6O
Mol. Weight: 178.06031
Allopurinol EP Impurity B
QCC Cat No.: QA121602
CAS No.: 22407-20-1
Mol. Formula: C5H6N4O2
Mol. Weight: 154.13
Allopurinol
QCC Cat No.: QA121600
CAS No.: 315-30-0
Mol. Formula: C5H4N4O
Mol. Weight: 136.11