Description

Oxiranecarboxylic Acid, 3-Formyl-3-Methyl-, Ethyl Ester, (2R,3R)- (9Ci) is a high-purity, stereochemically defined chiral building block of significant synthetic utility. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in the synthesis of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily needed by research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce specific chiral centers and functional groups with high selectivity.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug molecules, particularly those requiring specific (2R,3R) stereochemistry.
• Agrochemical Synthesis: Used in the production of advanced, stereoselective pesticides and herbicides where the specific spatial orientation of the molecule is critical for bioactivity.
• Fine Chemical Production: Serves as a building block for specialty chemicals, flavors, and fragrances requiring high enantiomeric purity.
• Academic & Industrial Research: A valuable reagent in methodological development for asymmetric synthesis and catalysis studies.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or functional materials with tailored properties.

Basic Information

Product Name	Oxiranecarboxylic Acid, 3-Formyl-3-Methyl-, Ethyl Ester, (2R,3R)- (9Ci)
CAS No.	153116-49-5
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	(2R,3R)-3-Formyl-3-methyloxirane-2-carboxylic acid ethyl ester; Ethyl (2R,3R)-3-formyl-3-methyloxirane-2-carboxylate; (2R,3R)-Ethyl 3-formyl-3-methylglycidate; (2R,3R)-EMG; (R,R)-Ethyl 3-formyl-3-methylglycidate; Glycidic acid, 3-formyl-3-methyl-, ethyl ester, (2R,3R)-; Chiral ethyl glycidate derivative
EINECS	Contact for details

Quality Control

Our Oxiranecarboxylic Acid, 3-Formyl-3-Methyl-, Ethyl Ester, (2R,3R)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical and enantiomeric purity, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing assay, chiral purity (enantiomeric excess), and impurity profiles by HPLC/GC are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if necessary to maintain stability and purity.

Specification

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

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