C4H6N4O
126.12 g/mol
Pharmaceutical IntermediateWarning
3-Amino-1H-pyrazole-4-carboxamide
CAS5334-31-6EC226-252-3
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
3-Amino-1H-pyrazole-4-carboxamide is a pyrazole derivative featuring an amide and an amino substituent on the heterocyclic ring. It is primarily used as a reference standard or intermediate in the synthesis and quality control of allopurinol impurities.
pharmaceutical intermediate for allopurinol impurity synthesisreference standard for analytical testing in pharmaceutical manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 5334-31-6
Related Compounds
StrongSame Parent
3-Amino-4-pyrazolecarboxamide hemisulfate
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
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4-Nitrophenethyl bromide
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Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Identifiers
IUPAC Name
5-amino-1H-pyrazole-4-carboxamide
InChIKey
LEFSNWUSTYESGC-UHFFFAOYSA-N
SMILES
C1=NNC(=C1C(=O)N)N
Synonyms (19)
- 3-Amino-1H-pyrazole-4-carboxamide; 3-Amino-4-carbamoylpyrazole; 3-Amino-4-pyrazolecarboxamide; NSC 1402; Allopurinol EP Impurity A
- ALLOPURINOL IMPURITY A (EP IMPURITY)
- Allopurinol EP Impurity A
- (R)-Modafinil-d10 Carboxylate
- 3-AMINO-4-PYRAZOLECARBOXAMIDE
- 3-AMINOPYRAZOLE-4-CARBOXAMIDE
- 3-Amino-4-carbamoylpyrazole
- 5-AMINO-4-PYRAZOLECARBOXAMIDE
- 5-aminopyrazole-4-carboxamide
- ALLOPURINOL IMPURITY A