Impurities
AY-0319-007
Allopurinol EP Impurity B
C5H6N4O2
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Impurity reference standard material
Allopurinol Related Compound A
Material overview
Allopurinol Related Compound A (AY-0319-003) — impurity reference standard material. CAS 27511-79-1, formula C8H14N8O6S, molecular weight 350.32 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0319-003
- CAS number
- 27511-79-1
- Molecular formula
- C8H14N8O6S
- Molecular weight
- 350.32 g/mol
- Category
- Impurity reference standard material
- Chemical name
- bis(5-amino-1H-pyrazole-4-carboxamide);sulfuric acid
- Synonyms
- 3-Amino-Pyrazole-4-carboxamide Hemisulfate; 5-Amino-1H-pyrazole-4-carboxylic acid amide
- SMILES
- C1=NNC(=C1C(=O)N)N.C1=NNC(=C1C(=O)N)N.[OH2]S(=O)(=O)O
- Appearance
- Off-White to Pale Yellow Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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AY-0319-006
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AY-0319-005
Allopurinol EP Impurity D
C6H9N3O2
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AY-0319-004
Allopurinol EP Impurity C
C6H6N6O
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AY-0319-002
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C4H6N4O
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API
AY-0319-001
Allopurinol
C5H4N4O
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