Description

Propanoic Acid, 2-Hydroxy-, Methoxymethyl Ester, (S)- (9Ci) is a chiral, high-purity specialty ester with significant utility in advanced organic synthesis. Its value lies in its role as a versatile chiral building block and protecting group reagent, enabling the stereoselective construction of complex molecules. This compound is essential for research and development chemists in the pharmaceutical and fine chemical industries, particularly for the synthesis of active pharmaceutical ingredients (APIs), agrochemicals, and other high-value chiral intermediates.

Application

• Chiral Intermediate in Pharmaceutical Synthesis: A key building block for the stereoselective production of active pharmaceutical ingredients (APIs), especially those requiring specific (S)-configuration.
• Asymmetric Synthesis Reagent: Utilized in catalytic and stoichiometric asymmetric reactions to introduce chirality into target molecules.
• Protecting Group for Carboxylic Acids: The methoxymethyl ester group serves as a protective moiety for carboxylic acids during multi-step synthetic sequences.
• Fine Chemical and Agrochemical Manufacturing: Employed in the R&D and scale-up of specialty chemicals, including advanced crop protection agents.
• Academic and Industrial Research: Used in methodological development and exploration of new synthetic pathways in organic chemistry laboratories.
• Flavor and Fragrance Industry: Potential use as a precursor for the synthesis of specific chiral aroma compounds, subject to regulatory approval for the target application.

Basic Information

Product Name	Propanoic Acid, 2-Hydroxy-, Methoxymethyl Ester, (S)- (9Ci)
CAS No.	99613-36-2
Molecular Formula	C6H12O4
Molecular Weight	148.16 g/mol
Synonyms	(S)-2-Hydroxypropanoic acid methoxymethyl ester; (S)-Lactic acid methoxymethyl ester; (S)-Methoxymethyl lactate; (S)-2-Hydroxypropionic acid methoxymethyl ester; MOM-(S)-lactate; (S)-1-Methoxy-1-oxopropan-2-yl methoxymethyl ether; (S)-α-Hydroxypropionic acid MOM ester
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 2-Hydroxy-, Methoxymethyl Ester, (S)- (9Ci) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as chiral purity, chemical assay, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (S-enantiomer)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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