α-Bromo-α-methyl-γ-butyrolactone - ≥96% , CAS No.33693-67-3

CAS: 33693-67-3 Cat. No.: B468136 Molecular Weight: 179.01 EC Number: 251-639-9
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
3-Bromodihydro-3-methylfuran-2(3H)-one | DTXSID501301395 | MXEVTHILFFSWOG-UHFFFAOYSA-N | NSC238959 | NSC-238959 | alpha -Bromo- alpha -methyl- gamma -butyrolactone | SCHEMBL1788143 | EINECS 251-639-9 | 3-Bromo-3-methyl-2-butyrolactone | alpha-Bromo-alpha-
Storage
Room temperature
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Size
Status
Price
Qty
25ml
B468136-25ml
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$690.90

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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Description

α-Bromo-α-methyl-γ-butyrolactone is a lactone derivative. It has been reported to be hydrolyzed by paraoxonase/arylesterase (PON1), a purified rabbit serum.

Specifications

Synonyms
3-Bromodihydro-3-methylfuran-2(3H)-one | DTXSID501301395 | MXEVTHILFFSWOG-UHFFFAOYSA-N | NSC238959 | NSC-238959 | alpha -Bromo- alpha -methyl- gamma -butyrolactone | SCHEMBL1788143 | EINECS 251-639-9 | 3-Bromo-3-methyl-2-butyrolactone | alpha-Bromo-alpha-
Specifications & Purity
≥96%
Storage
Room temperature
Purity
≥96%
Names and Identifiers
Canonical SmilesCC1(CCOC1=O)Br
IUPAC Name3-bromo-3-methyloxolan-2-one
InChIKeyMXEVTHILFFSWOG-UHFFFAOYSA-N
INCHI1S/C5H7BrO2/c1-5(6)2-3-8-4(5)7/h2-3H2,1H3
Isomeric SMILES CC1(CCOC1=O)Br
WGK Germany 3
Molecular Weight 179.01
Reaxy-Rn 1281206
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1281206&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassLactones
SubclassGamma butyrolactones
Intermediate Tree Nodes Not available
Direct ParentGamma butyrolactones
Alternative Parents Tetrahydrofurans  Carboxylic acid esters  Oxacyclic compounds  Monocarboxylic acids and derivatives  Organobromides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Alkyl bromides  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Gamma butyrolactone - Tetrahydrofuran - Carboxylic acid ester - Oxacycle - Monocarboxylic acid or derivatives - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organobromide - Organohalogen compound - Carbonyl group - Alkyl halide - Alkyl bromide - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as gamma butyrolactones. These are compounds containing a gamma butyrolactone moiety, which consists of an aliphatic five-member ring with four carbon atoms, one oxygen atom, and bears a ketone group on the carbon adjacent to the oxygen atom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Flash Point(°F)235.4 °F
Flash Point(°C)113 °C
Molecular Weight179.010 g/mol
XLogP31.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass177.963 Da
Monoisotopic Mass177.963 Da
Topological Polar Surface Area26.300 Ų
Heavy Atom Count8
Formal Charge0
Complexity124.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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