Description

2-(4-Chloro-2-Methylphenoxy)-2-Phenylacetic Acid CAS NO 63891-99-6 is a specialized organic acid derivative with a phenoxyacetic acid core structure. This compound serves as a critical chemical intermediate and building block in advanced organic synthesis. It is primarily required by manufacturers in the pharmaceutical and agrochemical industries for the development of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, plant growth regulators, and other crop protection agents.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other specialty organic compounds.
• Research & Development: Utilized in academic and industrial R&D labs for method development and chemical studies.
• Chemical Synthesis: Acts as a versatile intermediate for constructing complex molecules via reactions at the carboxylic acid or aromatic groups.

Basic Information

Product Name	2-(4-Chloro-2-Methylphenoxy)-2-Phenylacetic Acid
CAS No.	63891-99-6
Molecular Formula	C15H13ClO3
Molecular Weight	276.71 g/mol
Synonyms	2-(4-Chloro-2-methylphenoxy)-2-phenylacetic acid; 2-Phenyl-2-(4-chloro-2-methylphenoxy)acetic acid; 4-Chloro-2-methylphenoxy(phenyl)acetic acid; (4-Chloro-2-methylphenoxy)(phenyl)acetic acid; α-(4-Chloro-o-tolyloxy)benzeneacetic acid; NSC 403796; 63891-99-6
EINECS	Contact for details

Quality Control

Our 2-(4-Chloro-2-Methylphenoxy)-2-Phenylacetic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for use as a pharmaceutical intermediate.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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