C8H15NO
141.21 g/mol
APIDanger
4-(2-methylpropyl)pyrrolidin-2-one
CAS61312-87-6EC800-892-9
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material
4-(2-methylpropyl)pyrrolidin-2-one is a compound that serves as a lactam impurity associated with pregabalin. It is primarily referenced in the context of pharmaceutical manufacturing and quality control.
Reference standard for pregabalin impurity profilingUsed in pharmaceutical quality control analysis
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
Amoxicillin trihydrate
CAS61336-70-7
pharmaceutical raw material
ReferenceSame Category
Mirtazapine
CAS61337-67-5
pharmaceutical raw material
ReferenceSame Category
Lasmiditan hydrochloride
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pharmaceutical raw material
ReferenceSame Category
Rifapentine
CAS61379-65-5
pharmaceutical raw material
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-(2-methylpropyl)pyrrolidin-2-one (CAS 61312-87-6) is 2933.79.
HS code (international, 6-digit)
2933.79
EU CN code (8-digit)
2933 79 00
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-(2-methylpropyl)pyrrolidin-2-one
InChIKey
GUGXRXLTTHFKHC-UHFFFAOYSA-N
SMILES
CC(C)CC1CC(=O)NC1
Synonyms (11)
- Pregabalin USP Rc C
- 4-ISOBUTYL-2-PYRROLIDINONE
- 4-Isobutylpyrrolidin-2-one
- PREGABALIN LACTAM, (+/-)-
- Pregabalin impurity IV
- pregabalin lactam impurity
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