C4H4N4
108.1 g/mol
Pharmaceutical IntermediateDanger
5-Amino-4-cyanopyrazole
CAS16617-46-2EC240-665-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
5-Amino-4-cyanopyrazole is a chemical compound utilized as a pharmaceutical intermediate. It features a pyrazole ring with amine and nitrile functional groups, commonly employed in the synthesis of active pharmaceutical ingredients.
pharmaceutical intermediateresearch compound for drug development
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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Related Compounds
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Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Amino-4-cyanopyrazole (CAS 16617-46-2) is 2933.19.
HS code (international, 6-digit)
2933.19
EU CN code (8-digit)
2933 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-amino-1H-pyrazole-4-carbonitrile
InChIKey
FFNKBQRKZRMYCL-UHFFFAOYSA-N
SMILES
C1=NNC(=C1C#N)N
Synonyms (22)
- ZALEPLON IMPURITY, CYANOPYRAZOLAMINE-[USP IMPURITY]
- 3-Amino-4-cyanopyrazole
- 3-Aminopyrazole-4-nitrile
- 3-amino-4-cyano-1H-pyrazol
- 3-amino-4-cyano-1h-pyrazole
- 4-CYANO-3-AMINOPYRAZOLE
- 4-cyano-2H-pyrazol-3-ylamine
- 4-cyano-5-aminopyrazole
- 5-Amino-4-cyanopyrazole
- 5-amino-4-cyano-1h-pyrazole
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