Description

Methyl (S)-(-)-Lactate is the methyl ester of (S)-lactic acid, a high-purity chiral building block. This optically active compound is valued for its role in asymmetric synthesis and as a precursor to fine chemicals and pharmaceuticals. It is essential for industries requiring enantiomerically pure intermediates, such as agrochemicals, flavors & fragrances, and advanced polymer research. Its specific stereochemistry provides a critical handle for creating molecules with targeted biological activity.

Application

• Chiral Synthesis: A versatile starting material and resolving agent in the asymmetric synthesis of active pharmaceutical ingredients (APIs) and agrochemicals.
• Pharmaceutical Intermediates: Used in the production of chiral drugs, including antiviral agents and other therapeutics where stereochemistry is crucial for efficacy.
• Flavor and Fragrance Industry: Serves as a precursor for the synthesis of natural flavor compounds and aroma chemicals.
• Polymer Science: Employed as a monomer or co-monomer for creating biodegradable polymers and polymers with specific optical properties.
• Agrochemicals: Key intermediate in the synthesis of enantiomerically pure herbicides, pesticides, and plant growth regulators.
• Solvent and Reaction Medium: Functions as a green, biodegradable solvent for specialized chemical reactions and extraction processes.

Basic Information

Product Name	Methyl (S)-(-)-Lactate
CAS No.	27871-49-4
Molecular Formula	C4H8O3
Molecular Weight	104.10 g/mol
Synonyms	(S)-(-)-Methyl Lactate; (S)-Methyl 2-Hydroxypropanoate; L-Methyl Lactate; Methyl L-Lactate; (-)-Methyl Lactate; Methyl (S)-2-Hydroxypropionate; (S)-(-)-2-Hydroxypropionic Acid Methyl Ester; Lactic Acid Methyl Ester (S-form)
EINECS	248-704-1

Quality Control

Our Methyl (S)-(-)-Lactate is produced under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chiral purity analysis by HPLC or GC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, assay, optical rotation, and impurity profiles are provided and available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability to maintain optical purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Optical Purity (Chiral HPLC)	≥ 99.0% ee
Specific Optical Rotation [α]20/D	-15° to -18° (c=1 in H2O)
Water Content (KF)	≤ 0.5%

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