Description

Methyl (3S)-5-Bromo-3-Methylpentanoate is a high-purity chiral building block and synthetic intermediate of significant value in advanced organic synthesis. Its core value proposition lies in its defined stereochemistry and reactive bromo-ester functionality, enabling precise construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it serves as a key precursor in the development of active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of complex drug candidates, particularly in routes requiring stereocontrolled introduction of the 3-methylpentanoate moiety.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides where specific stereochemistry impacts biological activity.
• Asymmetric Synthesis: Serves as a starting material or intermediate in catalytic asymmetric reactions to produce enantiomerically pure compounds.
• Ligand and Catalyst Development: Employed in the preparation of chiral ligands and organocatalysts for use in stereoselective transformations.
• Fine Chemical Production: A building block for the manufacture of specialty chemicals, flavors, and fragrances requiring high stereochemical purity.
• Academic & R&D: A valuable reagent for methodological development in organic chemistry and medicinal chemistry research programs.

Basic Information

Product Name	Methyl (3S)-5-Bromo-3-Methylpentanoate
CAS No.	80654-39-3
Molecular Formula	C7H13BrO2
Molecular Weight	209.08 g/mol
Synonyms	(3S)-5-Bromo-3-methylpentanoic acid methyl ester; Methyl (S)-5-bromo-3-methylpentanoate; (S)-Methyl 5-bromo-3-methylpentanoate; 5-Bromo-3-methylpentanoic acid methyl ester, (3S)-; Pentanoic acid, 5-bromo-3-methyl-, methyl ester, (3S)-; Methyl 5-bromo-3(S)-methylvalerate
EINECS	Contact for details

Quality Control

Our Methyl (3S)-5-Bromo-3-Methylpentanoate is produced under strict quality management systems to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to confirm identity and specification compliance. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed in a dry environment to prevent moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.