Description

Propanoic Acid, 2-(Hydroxyimino)-, 2-Propynyl Ester, (2E)- (9Ci) is a specialized organic compound featuring a propargyl ester and an oxime functional group, making it a valuable synthon in advanced chemical synthesis. This high-purity intermediate is critical for research and development in fine chemical and pharmaceutical manufacturing, where precise molecular architecture is required. It is primarily sought by R&D chemists and process development scientists working in agrochemical, pharmaceutical, and material science industries to construct novel molecules with targeted properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring propargyl or oxime ether linkages.
• Agrochemical Research: Used in the development of new generation pesticides and herbicides, where its functional groups can impart specific biological activity.
• Material Science: Acts as a monomer or cross-linking agent in the creation of specialized polymers and resins with unique thermal or mechanical properties.
• Chemical Synthesis: Employed in organic synthesis for Click Chemistry reactions via its alkyne group, and for introducing the oxime moiety into target molecules.
• Ligand and Catalyst Development: Utilized in the preparation of novel ligands for metal complexes and catalysts used in asymmetric synthesis.

Basic Information

Product Name	Propanoic Acid, 2-(Hydroxyimino)-, 2-Propynyl Ester, (2E)- (9Ci)
CAS No.	655243-58-6
Molecular Formula	C6H7NO3
Molecular Weight	141.13 g/mol
Synonyms	(2E)-2-(Hydroxyimino)propanoic acid 2-propynyl ester; 2-Propynyl (2E)-2-(hydroxyimino)propanoate; Propargyl (E)-2-(hydroxyimino)propionate; 2-Butynoic acid, 2-(hydroxyimino)-, propargyl ester, (E)-; Propargyl α-(hydroxyimino)propionate; (E)-2-(Hydroxyimino)propionic acid propargyl ester
EINECS	Contact for details

Quality Control

Our Propanoic Acid, 2-(Hydroxyimino)-, 2-Propynyl Ester, (2E)- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality systems are designed to meet the stringent requirements of our global pharmaceutical and fine chemical partners.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). This compound is likely light-sensitive and may be moisture-sensitive; therefore, containers should be kept tightly sealed under an inert atmosphere for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.