Description

Aziridine, 2-Methyl-1-(1-Oxo-2-Butenyl)-, (E)- (9Ci) CAS NO 157287-03-1 is a specialized aziridine derivative, a versatile building block in advanced organic synthesis. Its reactive aziridine ring and α,β-unsaturated carbonyl moiety make it a valuable precursor for constructing complex nitrogen-containing heterocycles and functionalized polymers. This compound is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for the development of novel drug candidates, particularly those targeting neurological disorders and cancers, by enabling the introduction of aziridine pharmacophores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure contributes to novel modes of action.
• Polymer Cross-linking Agent: Functions as a reactive monomer or cross-linker in the synthesis of specialty polymers, coatings, and adhesives requiring enhanced chemical resistance and thermal stability.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel chelating ligands and catalysts for asymmetric synthesis.
• Material Science Research: Investigated for the development of smart materials, dendrimers, and functional surfaces due to its bifunctional reactivity.
• Bioconjugation Chemistry: Explored as a reagent for modifying proteins, peptides, and other biomolecules in biotechnological applications.

Basic Information

Product Name	Aziridine, 2-Methyl-1-(1-Oxo-2-Butenyl)-, (E)- (9Ci)
CAS No.	157287-03-1
Molecular Formula	C7H11NO2
Molecular Weight	141.17 g/mol
Synonyms	(E)-2-Methyl-1-(1-oxo-2-butenyl)aziridine; 2-Methyl-1-[(1E)-1-oxo-2-buten-1-yl]aziridine; 1-(1-Oxo-2-butenyl)-2-methylaziridine, (E)-; N-(1-Oxo-2-butenyl)-2-methylaziridine; 2-Butenoyl-2-methylaziridine; Aziridine, 2-methyl-1-(1-oxo-2-butenyl)-, (E)-; (E)-N-Crotonoyl-2-methylaziridine
EINECS	Contact for details

Quality Control

Every batch of our Aziridine, 2-Methyl-1-(1-Oxo-2-Butenyl)-, (E)- (9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and process development. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for each lot 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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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