Allopurinol
CAS Number: 315-30-0
Molecular Formula: Câ‚…Hâ‚„Nâ‚„O
Molecular Weight: 136.11 g/mol…
Allopurinol Impurity A
CAS Number: 27511-79-1
Molecular Formula: 2[C₄H₆N₄O]• H₂SO₄
Molecular Weight: 350.31 g/mol…
Allopurinol Impurity B
CAS Number: 22407-20-1
Molecular Formula: C5H6N4O2
Molecular Weight: 154.13 g/mol…
Allopurinol Impurity D
CAS Number: 6994-25-8
Molecular Formula: C₆H₉N₃O₂
Molecular Weight: 155.16 g/mol…
Allopurinol Impurity E
CAS Number: 31055-19-3
Molecular Formula: C7H9N3O3
Molecular Weight: 183.16 g/mol…