C4H5BrO2
164.99 g/mol
Research ReagentWarning
2-Bromo-4-butanolide
CAS5061-21-2EC225-764-4
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
2-Bromo-4-butanolide is a halogenated lactone compound used primarily in research and laboratory settings. It features a five-membered ring structure containing an ester group and a bromine substituent, making it a useful synthetic intermediate for organic chemistry studies.
research compoundlaboratory reagentsynthetic 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.
Sourcing 2-Bromo-4-butanolide?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ReferenceSame Category
Guanosine, 5′-O-phosphonoadenylyl-(3′→5′)-
CAS5064-50-6
research compound
ReferenceSame Category
Dichlorobis(2-(diphenylphosphino)ethylamine)ruthenium(II)
CAS506417-41-0
research compound
ReferenceSame Category
Trans-N-tert-Butoxycarbonyl-4-[2-[4-(2,3-dichlorophenyl)piperazin-1-yl]ethyl]cyclohexanamine
CAS506427-91-4
research compound
ReferenceSame Category
4-Pyridazinecarboxylic acid
CAS50681-25-9
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-Bromo-4-butanolide (CAS 5061-21-2) 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-bromooxolan-2-one
InChIKey
LFJJGHGXHXXDFT-UHFFFAOYSA-N
SMILES
C1COC(=O)C1Br
Synonyms (26)
- .alpha.-Bromobutyrolactone
- 2(3H)-Furanone, bromodihydro-
- 2-Bromo-4-butanolide
- 2-Bromo-4-butyrolactone
- 2-Bromo-gamma-butyrolactone
- 2-Bromobutyrolactone
- 3-Bromo-2-furanone
- 3-Bromo-2-oxotetrahydrofuran
- 3-Bromodihydro-2(3H)-furanone
- 3-Bromodihydro-2-furanone
- 3-bromo-2-oxooxolane
- 3-bromodihydrofuran-2(3H)-one
- 3-bromodihydrofuran-2-one
- 3-bromooxolan-2-one
- 3-bromotetrahydrofuran-2-one
- a-Bromo-?-butyrolactone
- bromo-dihydro-furan-2-one
- bromobutyrolactone
Sourcing 2-Bromo-4-butanolide?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.