C11H11ClN2O
222.67 g/mol
Pharmaceutical IntermediateWarning
3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS41078-70-0EC255-207-0
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is a compound with a fused ring system containing a chloroethyl side chain. It is documented as a pharmaceutical intermediate, relevant to the synthesis or study 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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pharmaceutical intermediate
Referencesame scaffold
3-(2-chloroethyl)-9-hydroxy-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one
CAS260273-82-3
Research compound
Referencesame scaffold
7-fluoro-2-hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
CAS1449598-85-9
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H341Suspected of causing genetic defects
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 41078-70-0) is 2933.59.
HS code (international, 6-digit)
2933.59
EU CN code (8-digit)
2933 59 95
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
3-(2-chloroethyl)-2-methylpyrido[1,2-a]pyrimidin-4-one
InChIKey
LFTGLYCNMGGMKL-UHFFFAOYSA-N
SMILES
CC1=C(C(=O)N2C=CC=CC2=N1)CCCl
Synonyms (8)
- Risperidone Impurity 22
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