Description

2-Aziridinecarboxylic acid, 1-methoxy-, ethyl ester, trans- (9Ci) is a specialized aziridine derivative, a class of compounds valued for their strained three-membered ring structure and reactivity. This specific ester is a crucial synthetic intermediate and building block in advanced organic synthesis and pharmaceutical research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring aziridine or modified amino acid motifs.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators that leverage its reactive aziridine ring.
• Polymer Modification: Acts as a cross-linking agent or monomer for creating specialty polymers with unique properties, such as coatings or adhesives.
• Bioconjugation Chemistry: Employed in the modification of peptides, proteins, and other biomolecules due to its ability to react with nucleophiles.
• Organic Synthesis Reagent: Utilized in academic and industrial laboratories for cyclopropanation reactions and the introduction of protected amine functionalities.
• Material Science: Investigated for the surface functionalization of nanomaterials and the creation of advanced composite materials.

Basic Information

Item	Details
Product Name	2-Aziridinecarboxylic acid, 1-methoxy-, ethyl ester, trans- (9Ci)
CAS No.	74016-45-8
Molecular Formula	C7H13NO3
Molecular Weight	159.18 g/mol
Synonyms	trans-1-Methoxyaziridine-2-carboxylic acid ethyl ester; Ethyl trans-1-methoxyaziridine-2-carboxylate; Ethyl (2R,3S)-1-methoxyaziridine-2,3-dicarboxylate (stereoisomer); Aziridine-2-carboxylic acid, 1-methoxy-, ethyl ester, trans-; 1-Methoxyaziridine-2-carboxylic Acid Ethyl Ester; Ethyl 1-Methoxyaziridine-2-carboxylate; (2R,3S)-1-Methoxyaziridine-2,3-dicarboxylic Acid Diethyl Ester (related compound).
EINECS	Contact for details

Quality Control

Our 2-Aziridinecarboxylic acid, 1-methoxy-, ethyl ester, trans- (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR), to ensure consistency and meet rigorous R&D standards. A detailed Certificate of Analysis (COA) with batch-specific data is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber glass or otherwise opaque.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Rotation	Contact for details

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