Impurities
AY-0319-007
Allopurinol EP Impurity B
C5H6N4O2
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Impurity reference standard material
Allopurinol EP Impurity A
Material overview
Allopurinol EP Impurity A (AY-0319-002) — impurity reference standard material. CAS 5334-31-6, formula C4H6N4O, molecular weight 126.12 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0319-002
- CAS number
- 5334-31-6
- Molecular formula
- C4H6N4O
- Molecular weight
- 126.12 g/mol
- Category
- Impurity reference standard material
- Chemical name
- 5-Amino-4-pyrazolecarboxamide
- Synonyms
- 4-Carboxamide; 3-Amino-1H-pyrazole-4-carboxamide; 3-Amino-4-carbamoylpyrazole; 3-Amino-4-pyrazolecarboxamide; 1H-Pyrazole-4-carboxamide,3-amino
- SMILES
- C(N)(=O)C=1C(N)=NNC1
- Appearance
- Off-White to Pale Beige Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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AY-0319-006
Allopurinol EP Impurity E
C7H9N3O3
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AY-0319-005
Allopurinol EP Impurity D
C6H9N3O2
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Impurities
AY-0319-004
Allopurinol EP Impurity C
C6H6N6O
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Impurities
AY-0319-003
Allopurinol Related Compound A
C8H14N8O6S
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API
AY-0319-001
Allopurinol
C5H4N4O
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