C13H17NO2
219.28 g/mol
Pharmaceutical IntermediateDanger
2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile
CAS20850-49-1EC244-082-8
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile is a chemical compound used as a pharmaceutical intermediate. It is specifically employed in the synthesis of verapamil, a calcium channel blocker.
Pharmaceutical intermediate for verapamil synthesis
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
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile (CAS 20850-49-1) 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
2-(3,4-dimethoxyphenyl)-3-methylbutanenitrile
InChIKey
NFXAXMOAVPLEBH-UHFFFAOYSA-N
SMILES
CC(C)C(C#N)C1=CC(=C(C=C1)OC)OC
Synonyms (21)
- (2RS)-2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile; Verapamil Hydrochloride Imp. K (EP); Verapamil Imp. K (EP); Verapamil Hydrochloride Impurity K; Verapamil Impurity K
- VERAPAMIL HYDROCHLORIDE IMPURITY K (EP IMPURITY)
- Verapamil EP Impurity K
- Isopropyl Veratryl Cyanide
- Verapamil Impurity K
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