Description

Chlorooxoacetic Acid 4-Nitrophenyl Ester is a specialized organic ester compound, primarily recognized as a key chemical intermediate and reagent. Its value lies in its highly reactive carbonyl chloride group, which makes it a versatile building block for synthesizing more complex molecules, particularly in pharmaceutical and agrochemical research. This product is essential for R&D chemists and process development scientists in the fine chemical, pharmaceutical, and life science industries who require high-purity intermediates for coupling reactions and derivatization.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a reactive acyl chloride moiety.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, pesticides, and plant growth regulators.
• Bioconjugation & Proteomics: Serves as a derivatization or cross-linking agent for modifying peptides, proteins, or other biomolecules in biochemical research.
• Polymer Chemistry: Acts as a monomer or modifying agent in the synthesis of specialty polymers with specific functional properties.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for acylation reactions, esterifications, and the preparation of other acid chloride derivatives.
• Dye & Pigment Manufacturing: Utilized as an intermediate in the production of complex organic colorants and functional dyes.

Basic Information

Product Name	Chlorooxoacetic Acid 4-Nitrophenyl Ester
CAS No.	78974-67-1
Molecular Formula	C8H4ClNO5
Molecular Weight	229.57 g/mol
Synonyms	4-Nitrophenyl Chlorooxoacetate; p-Nitrophenyl Chloroglyoxylate; Chloroglyoxylic Acid p-Nitrophenyl Ester; (4-Nitrophenyl) 2-Chloro-2-oxoacetate; 2-Chloro-2-oxoacetic Acid 4-Nitrophenyl Ester; NSC 401714; p-Nitrophenyl Oxalyl Chloride Monoester
EINECS	Contact for details

Quality Control

Our Chlorooxoacetic Acid 4-Nitrophenyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. This material is moisture-sensitive (hygroscopic) and should be handled under anhydrous conditions when possible.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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