C8H11N
121.18 g/mol
Industrial ChemicalWarning
2,3,5-Trimethylpyridine
CAS695-98-7EC211-786-1
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
Chemical intermediate for synthesis
2,3,5-Trimethylpyridine is one of the isomeric collidines, which are trimethyl derivatives of pyridine. Its chemical properties are similar to those of pyridine, though the methyl substituents can influence reaction pathways.
Chemical intermediate for 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
ReferenceSame Category
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CAS696-59-3
chemical intermediate
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sulfonyl chloride reagent
ReferenceSame Category
2,6-dihydroxy-1,4-benzenedicarboxylic acid
CAS69660-39-5
organic synthesis intermediate
ReferenceSame Category
2,3,5-trimethylphenol
CAS697-82-5
chemical intermediate for antioxidants and dyes
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
Customs Tariff Classification
The international HS code for 2,3,5-Trimethylpyridine (CAS 695-98-7) 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
2,3,5-trimethylpyridine
InChIKey
GFYHSKONPJXCDE-UHFFFAOYSA-N
SMILES
CC1=CC(=C(N=C1)C)C
Synonyms (8)
- 2,3,5-COLLIDINE
- 2,3,5-Trimethyl-pyridin
- 2,3,5-Trimethylpyridine
- Esomeprazole Impurity 111
- Esomeprazole Impurity 9
- Pyridine, 2,3,5-trimethyl-
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