C6H4N2
104.11 g/mol
Pharmaceutical IntermediateWarning
4-CYANOPYRIDINE
CAS100-48-1EC202-856-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
4-Cyanopyridine is an organic compound featuring a pyridine ring with a nitrile group at the 4-position. It is primarily used as an intermediate in the synthesis of other heterocyclic compounds for 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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Related Compounds
ReferenceSame Category
3-cyanopyridine
CAS100-54-9
pharmaceutical intermediate
ReferenceSame Category
2-pyridinecarbonitrile
CAS100-70-9
pharmaceutical intermediate
ReferenceSame Category
4-Oxazolidinecarboxylic acid, 3-[(2S)-3-(1,1-dimethylethoxy)-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1-oxopropyl]-2,2-dimethyl-, (4S)-
CAS1000164-43-1
pharmaceutical intermediate
ReferenceSame Category
3-Amino-5-bromo-2-methylbenzoic acid methyl ester
CAS1000342-11-9
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H319Causes serious eye irritation
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for 4-CYANOPYRIDINE (CAS 100-48-1) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
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
pyridine-4-carbonitrile
InChIKey
GPHQHTOMRSGBNZ-UHFFFAOYSA-N
SMILES
C1=CN=CC=C1C#N
Synonyms (18)
- ISONIAZID IMPURITY C (EP)
- Isoniazid EP Impurity C
- 4-CYANOPYRIDINE
- 4-Pyridinecarbonitrile
- 4-Pyridinenitrile
- 4-azabenzonitrile
- 4-nitrilopyridine
- 4-pyridyl cyanide
- 4-pyridylcarbonitrile
- Isonicotinic acid nitrile
- Isonicotinonitrile
- gamma-Cyanopyridine
- p-cyanopyridine
- pyridine, 4-cyano-
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