Description

(S)-o-Acetyllactic Acid Methyl Ester is a high-purity chiral building block and ester derivative of lactic acid. This compound is valued for its role as a versatile intermediate in the synthesis of optically active pharmaceuticals and fine chemicals. It is primarily needed by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the production of active pharmaceutical ingredients (APIs), particularly in antiviral and anti-inflammatory drug candidates.
• Asymmetric Synthesis: Used as a starting material or resolving agent in stereoselective chemical reactions to introduce chirality.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of chiral pesticides and herbicides with enhanced biological activity.
• Fine Chemical Production: Employed in the synthesis of flavors, fragrances, and advanced materials requiring specific stereochemistry.
• Biochemical Research: Utilized as a substrate or standard in enzymatic studies and metabolic pathway analysis.
• Polymer Modification: Acts as a monomer or co-monomer for creating specialized biodegradable or functional polymers.

Basic Information

Product Name	(S)-o-Acetyllactic Acid Methyl Ester
CAS No.	14031-88-0
Molecular Formula	C6H10O4
Molecular Weight	146.14 g/mol
Synonyms	(S)-(-)-2-Acetoxypropionic Acid Methyl Ester; Methyl (S)-(-)-2-Acetoxypropionate; (S)-Methyl 2-Acetoxypropanoate; L-(-)-Methyl 2-Acetoxypropionate; Methyl (S)-2-acetoxypropanoate; (S)-Methyl lactate acetate; Methyl O-acetyl-L-lactate
EINECS	Contact for details

Quality Control

Our (S)-o-Acetyllactic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure compliance with exacting standards for pharmaceutical and fine chemical applications. Certificates of Analysis (COA) documenting identity, purity, and enantiomeric excess are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Specific Rotation [α]	Contact for details
Water Content (KF)	≤ 0.5%

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