Description

Oxiranecarboxylic Acid, 3-Cyclopropyl-, Ethyl Ester, (2S,3R)- (9Ci) is a high-purity, stereochemically defined chiral building block of significant value in advanced organic synthesis. This compound is essential for research and development in the pharmaceutical industry, where its unique epoxide and ester functionalities enable the construction of complex molecular architectures. It is primarily sought by medicinal chemists and process development scientists for the synthesis of novel active pharmaceutical ingredients (APIs) and other fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, particularly in constructing complex heterocyclic systems.
• Asymmetric Synthesis: Utilized in stereoselective reactions to introduce the cyclopropyl and epoxide motifs into target molecules with high enantiomeric purity.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, agrochemicals, and other high-value compounds requiring specific stereochemistry.
• Academic & Industrial R&D: Used in methodological development and as a reference standard in chemical research laboratories worldwide.

Basic Information

Product Name	Oxiranecarboxylic Acid, 3-Cyclopropyl-, Ethyl Ester, (2S,3R)- (9Ci)
CAS No.	221383-78-4
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	(2S,3R)-3-Cyclopropylethyl oxiranecarboxylate; (2S,3R)-Ethyl 3-cyclopropylglycidate; Ethyl (2S,3R)-3-cyclopropyloxirane-2-carboxylate; (2S,3R)-3-Cyclopropyloxirane-2-carboxylic acid ethyl ester; trans-Ethyl 3-cyclopropylglycidate; Chiral cyclopropyl epoxide ester; (2S,3R)-3-Cyclopropyl-2,3-epoxypropionic acid ethyl ester
EINECS	Contact for details

Quality Control

Our production of Oxiranecarboxylic Acid, 3-Cyclopropyl-, Ethyl Ester, (2S,3R)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high enantiomeric purity, critical for pharmaceutical applications. All materials are characterized by advanced analytical techniques including chiral HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles is provided with each shipment to support your regulatory and R&D requirements.

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). Keep the container tightly sealed under an inert atmosphere to maintain stability and prevent moisture uptake.

Specification

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

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