C9H7NO2
161.16 g/mol
Pharmaceutical IntermediateWarning
4-formyl-3-methoxybenzonitrile
CAS21962-45-8EC804-777-4
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
4-formyl-3-methoxybenzonitrile is a chemical compound used as a pharmaceutical intermediate. It features an aromatic ring substituted with an aldehyde, a nitrile, and an ether group, making it a building block in the synthesis of active pharmaceutical ingredients.
pharmaceutical intermediate
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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ReferenceSame Category
(2R)-2-(8-amino-1-bromoimidazo[1,5-a]pyrazin-3-yl)-1-Pyrrolidinecarboxylic acid phenylmethyl ester
CAS2198380-46-8
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4-formyl-3-methoxybenzonitrile (CAS 21962-45-8) is 2926.90.
HS code (international, 6-digit)
2926.90
EU CN code (8-digit)
2926 90 70
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
4-formyl-3-methoxybenzonitrile
InChIKey
ZXENVSJZOHXCKL-UHFFFAOYSA-N
SMILES
COC1=C(C=CC(=C1)C#N)C=O
Synonyms (9)
- 2-methoxy-4-cyanobenzaldehyde
- 4-CYANO-2-METHOXYBENZALDEHYDE
- 4-Cyaon-2-methoxybenzaldehyde
- Felodipine Impurity 15
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