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Other Specialized Reagents

(S)-2-CHLORO-3-METHYLBUTYRIC ACID

Category:

Other Specialized Reagents

CAS NO:

26782-74-1

Standard:

BP,USP,

Price Range:

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Main Sales Markets:

North America,Western Europe,Eastern Europe

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Shanghai Sunwise Chemical Co., Ltd.

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Basic Info

CAS Number

26782-74-1

Pharmacopoeia

BP,USP

Grade

Pharmaceutical Grade

Is Manufacturer

YES

Product Description

Pharmaceutical Raw Materials and Intermediates

AI Product Description

*The following content is generated by AI and is for reference only.

(S)-2-Chloro-3-methylbutyric acid is a chiral organic compound characterized by its specific stereochemistry at the C2 position, making it a valuable intermediate in asymmetric synthesis. Its molecular formula is C5H9ClO2, and it is identified by the CAS number 100467-58-3. The molecule features a carboxylic acid group attached to a carbon chain that includes both a chlorine substituent and a methyl branch, creating a unique steric environment essential for high-selectivity reactions. This compound serves primarily as a sophisticated building block in the pharmaceutical and agrochemical industries. Due to its enantiopure nature, it is extensively utilized in the synthesis of optically active drugs where chirality dictates biological activity. For instance, it can be employed to construct complex heterocyclic systems or as a precursor for developing beta-lactam antibiotics and other chiral therapeutic agents. The presence of the alpha-chlorine atom offers versatile reactivity, allowing for nucleophilic substitution, elimination, or reduction pathways to generate diverse structural motifs. In agricultural chemistry, similar chiral chlorinated acids are often explored for the development of herbicides and fungicides with enhanced efficacy and reduced environmental impact. The production of (S)-2-chloro-3-methylbutyric acid typically involves the resolution of racemic mixtures or asymmetric catalytic methods to ensure the desired (S)-configuration is maintained with high optical purity. This specificity is crucial because the biological interactions of the resulting final products often depend entirely on the three-dimensional arrangement of atoms. Researchers value this reagent for its stability under standard storage conditions while maintaining sufficient reactivity for downstream transformations. It is generally supplied as a colorless to pale yellow liquid or low-melting solid, depending on purity and temperature. As the demand for enantiomerically pure compounds grows in modern medicinal chemistry, (S)-2-chloro-3-methylbutyric acid remains a critical tool for chemists aiming to optimize drug candidates and improve synthetic efficiency. Its role extends beyond simple intermediates, acting as a key determinant in the success of stereoselective total synthesis projects across various scientific disciplines.