C6H8O3
128.13 g/mol
Pharmaceutical IntermediateWarning
2-Acetylbutyrolactone
CAS517-23-7EC208-235-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2-Acetylbutyrolactone is a gamma-lactone compound used primarily as an intermediate in pharmaceutical synthesis. It serves as a building block for manufacturing various organic compounds, including heterocyclic structures.
Intermediate for pharmaceutical synthesisSynthesis of 3,4-disubstituted pyridinesSynthesis of 5-(beta-hydroxyethyl)-4-methylthiazole
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
Nitrosochlordiazepoxide
CAS51715-17-4
pharmaceutical intermediate
ReferenceSame Category
4-Chloropyrido[3,4-d]pyrimidine
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pharmaceutical intermediate
ReferenceSame Category
Dimethyl 5-bromoisophthalate
CAS51760-21-5
pharmaceutical intermediate
ReferenceSame Category
Nimesulide Impurity F
CAS51765-72-1
pharmaceutical intermediate
Referencestereoisomer of
3-Acetyl(4,4,5,5-²H₄)oxolan-2-one
CAS476646-93-2
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Acetylbutyrolactone (CAS 517-23-7) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
2932 20 90
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-acetyloxolan-2-one
InChIKey
OMQHDIHZSDEIFH-UHFFFAOYSA-N
SMILES
CC(=O)C1CCOC1=O
Synonyms (30)
- 2-Acetyl-gamma-butyrolactone
- 2-Acetylbutanolide
- 2-Acetylbutyrolactone
- 2-Acetylbutyrolactone-13C4
- 2-Oxo-3-acetyltetrahydrofuran
- 2-acetyl-4-butyrolactone
- 3-Acetyldihydrofuran-2-one
- 3-Acetyltetrahydro-2-furanone
- 3-acetyloxolan-2-one
- 3-acetyltetrahydrofuran-2-one
- ?-Acetyl-?-butyrolactone
- ALPHA-ACETYLBUTYROLACTONE
- alpha-Acetobutyrolactone
- |A-Acetylbutyrolactone
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