alpha-Bromoisobutyricacidmethylester - ≥99% , CAS No.23426-63-3

CAS: 23426-63-3 Cat. No.: A134370 Molecular Weight: 181.03 Beilstein Registry Number: 1209484 EC Number: 245-657-6
AVAILABLE TO ORDER
GRADE & PURITY ≥99%
Synonyms
A816709 | NSC 406890 | Propanoic acid, 2-bromo-2-methyl-, methyl ester | Methyl 2-bromoisobutyrate | Methyl 2-bromo-isobutyrate | methyl2-bromoisobutyrate | EINECS 245-657-6 | EN300-109861 | methyl-2-bromo-2-methylpropanoate | SCHEMBL117832 | Methyl 2-bro
Storage
Room temperature
Shipped In
Normal
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Size
Status
Price
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25ml
A134370-25ml
2
$13.90
100ml
A134370-100ml
4
$42.90
500ml
A134370-500ml
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Why this grade

≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal 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 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Methyl α-bromoisobutyrate was used in Reformatsky reaction to prepare 1,4-disubstituted 3,3-dimethylazetidin-2-ones.
Atom Transfer Radical Polymerization (ATRP) initiator that will generate a polymer with a methyl end group

Specifications

Synonyms
A816709 | NSC 406890 | Propanoic acid, 2-bromo-2-methyl-, methyl ester | Methyl 2-bromoisobutyrate | Methyl 2-bromo-isobutyrate | methyl2-bromoisobutyrate | EINECS 245-657-6 | EN300-109861 | methyl-2-bromo-2-methylpropanoate | SCHEMBL117832 | Methyl 2-bro
Specifications & Purity
≥99%
Storage
Room temperature
Shipped In
Normal
Purity
≥99%
Names and Identifiers
Pubchem Sid488186596
Canonical SmilesCC(C)(C(=O)OC)Br
IUPAC Namemethyl 2-bromo-2-methylpropanoate
InChIKeyPQUSVJVVRXWKDG-UHFFFAOYSA-N
INCHI1S/C5H9BrO2/c1-5(2,6)4(7)8-3/h1-3H3
Isomeric SMILES CC(C)(C(=O)OC)Br
WGK Germany 3
UN Number 1993
Packing Group III
Molecular Weight 181.03
Beilstein 1209484
Reaxy-Rn 1209484
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1209484&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acid derivatives
Intermediate Tree Nodes Carboxylic acid esters
Direct ParentMethyl esters
Alternative Parents Alpha-halocarboxylic acid derivatives  Monocarboxylic acids and derivatives  Organobromides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  Alkyl bromides  
Molecular FrameworkAliphatic acyclic compounds
Substituents Methyl ester - Alpha-halocarboxylic acid or derivatives - Alpha-halocarboxylic acid derivative - Monocarboxylic acid or derivatives - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organobromide - Organohalogen compound - Carbonyl group - Alkyl halide - Alkyl bromide - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as methyl esters. These are organic compounds containing a carboxyl group that is esterified with a methyl group. They have the general structure RC(=O)OR', where R=H or organyl group and R'=methyl group.
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:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot NumberCertificate TypeDateItem
H2421260Certificate of AnalysisJun 10, 2026 A134370
J2028255Certificate of AnalysisApr 15, 2026 A134370
I2208415Certificate of AnalysisMar 09, 2026 A134370
I2208416Certificate of AnalysisMar 09, 2026 A134370
K2112290Certificate of AnalysisAug 17, 2023 A134370
K2112289Certificate of AnalysisAug 17, 2023 A134370
K2112342Certificate of AnalysisAug 17, 2023 A134370
C23031375Certificate of AnalysisMar 08, 2023 A134370
C23031405Certificate of AnalysisMar 08, 2023 A134370
I2208417Certificate of AnalysisJul 07, 2022 A134370
Chemical and Physical Properties
Flash Point(°F)120.2 °F
Flash Point(°C)49 °C
Molecular Weight181.030 g/mol
XLogP31.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count2
Exact Mass179.979 Da
Monoisotopic Mass179.979 Da
Topological Polar Surface Area26.300 Ų
Heavy Atom Count8
Formal Charge0
Complexity98.600
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Xuejun Pan, Weiling Wu, Mo Zhu, Jixian Yang, Zhi-Chao Yan, Lianwei Li.  (2023)  Conformational, crystalline and rheological properties of poly(octadecyl-co-methyl acrylate) statistically random copolymers.  Polymer Chemistry,  14  (9): (1043-1053).  [PMID:] [10.1039/D2PY01213H]
2. Penghong Pang, Xiuhua Sun, Changlu Gao.  (2026)  Hydroxyl-Hydration-Promoted Antifouling Performances of Amphiphilic Nanoparticle-Doped Poly(caprolactone-polydimethylsiloxane) Coatings.  LANGMUIR,      [PMID:] [10.1021/acs.langmuir.6c00622]
Solution Calculators
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