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69043-96-5

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69043-96-5 Usage

Description

METHYL 2-BROMOBUTYRATE, also known as 2-Bromobutyric acid methyl ester, is a colorless liquid chemical compound with a molecular formula of C5H9BrO2. It is characterized by a fruity, spicy scent and is typically packaged under nitrogen to prevent degradation. Although not classified as hazardous, it should be handled with care due to its potential for skin and eye irritation on contact, and respiratory irritation if inhaled. It is commonly used in the synthesis of various pharmaceuticals and organic compounds.

Uses

Used in Pharmaceutical Industry:
METHYL 2-BROMOBUTYRATE is used as a key intermediate in the synthesis of various pharmaceuticals for its ability to facilitate the creation of complex organic molecules.
Used in Organic Synthesis:
METHYL 2-BROMOBUTYRATE is used as a reagent in organic synthesis for its versatility in forming a wide range of organic compounds, contributing to the development of new chemical entities and materials.
Used in Research and Development:
METHYL 2-BROMOBUTYRATE is used as a research compound in academic and industrial laboratories for exploring its properties and potential applications in various chemical reactions and processes.
Storage and Handling:
METHYL 2-BROMOBUTYRATE should be stored in a cool, dry, and well-ventilated area, away from incompatible substances such as oxidizing agents, bases, and heat sources to ensure safety and stability.

Check Digit Verification of cas no

The CAS Registry Mumber 69043-96-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,0,4 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 69043-96:
(7*6)+(6*9)+(5*0)+(4*4)+(3*3)+(2*9)+(1*6)=145
145 % 10 = 5
So 69043-96-5 is a valid CAS Registry Number.

69043-96-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-octan-2-yloxycarbonylbenzoic acid,2-(2-phenoxyethoxycarbonyl)benzoic acid

1.2 Other means of identification

Product number -
Other names 2-(2-phenoxyethoxycarbonyl)benzoic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:69043-96-5 SDS

69043-96-5Relevant articles and documents

GC separation of enantiomers of alkyl esters of 2-bromo substituted carboxylic acids enantiomers on 6-tbdms-2,3-di-alkyl- β- And γ-cyclodextrin stationary phases

Spanik, Ivan,Kaceriakova, Darina,Krupcik, Jan,Armstrong, Daniel Wayne

, p. 279 - 285 (2014/06/09)

The gas chromatographic separation of enantiomers of 2-Br carboxylic acid derivatives was studied on four different 6-TBDMS-2,3-di-O-alkyl- β- and -γ-CD stationary phases. The differences in thermodynamic data {ΔH and -ΔS} for the 15 structurally related

Enoate reductase-mediated preparation of methyl (S)-2-bromobutanoate, a useful key intermediate for the synthesis of chiral active pharmaceutical ingredients

Brenna, Elisabetta,Gatti, Francesco G.,Manfredi, Alessia,Monti, Daniela,Parmeggiani, Fabio

experimental part, p. 262 - 268 (2012/06/18)

Enoate reductases belonging to the Old Yellow Enzyme (OYE) family were employed to develop a biocatalysed approach to methyl (S)-2-bromobutanoate, a key intermediate for the introduction of a particular stereogenic unit into the molecular skeleton of a certain class of chiral drugs. Methyl (Z)-2-bromocrotonate afforded, respectively, (S)-2-bromobutanoic acid (ee = 97%) and methyl (S)-2-bromobutanoate (ee = 97%) by baker's yeast fermentation and by OYE1-3 biotransformations. The bioreductions of other methyl 2-haloalkenoates were also considered. It was observed that the (Z)- and (E)-diastereoisomers of α-bromo unsaturated esters afforded the same enantiomer of the corresponding reduced product.

Enantioselective synthesis of α-bromo acid derivatives and bromohydrins from tartrate derived bromoacetals

Boyes, Scott A.,Hewson, Alan T.

, p. 2759 - 2765 (2007/10/03)

Bromination of the acetals 4 derived from aryl alkyl ketones, ArCOR, and (2R,3R)-tartaric acid results in bromoacetals 5 with 78-90% de. Hydrolysis of those compounds with Ar = 4-methoxyphenyl or 3-bromo-4-methoxyphenyl results, after recrystallisation, in α-bromoketones 8 with 66-98% ee which are shown to undergo the Baeyer-Villiger oxidation to α-bromoesters 9 with minimal racemisation, α-Bromoketone 8d is shown to undergo carbonyl reduction to threo-bromohydrin 15 with retention of stereochemistry.

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