Description

E-Hydroxyimino-Phenylacetic Acid is a versatile organic intermediate characterized by its reactive oxime and carboxylic acid functional groups. This compound is crucial for the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors, where it serves as a key building block. Industries requiring high-purity intermediates for the production of active pharmaceutical ingredients (APIs), fine chemicals, and research chemicals will find this product essential.

Application

• Key intermediate in the synthesis of cephalosporin antibiotics and other β-lactam pharmaceutical compounds.
• Building block for the production of agrochemicals, including herbicides and plant growth regulators.
• Precursor in the manufacture of dyes, pigments, and photographic chemicals.
• Intermediate for fine chemicals and specialty polymers requiring specific functionalization.
• Starting material in organic synthesis research and process development within R&D laboratories.
• Used in the preparation of chelating agents and metal complexing compounds.

Basic Information

Product Name	E-Hydroxyimino-Phenylacetic Acid
CAS No.	704-18-7
Molecular Formula	C8H7NO3
Molecular Weight	165.15 g/mol
Synonyms	(E)-2-(Hydroxyimino)-2-phenylacetic acid; (Z)-2-(Hydroxyimino)-2-phenylacetic acid (isomer); α-(Hydroxyimino)benzeneacetic acid; Benzeneacetic acid, α-(hydroxyimino)-; Oxime of Phenylglyoxylic Acid; Phenylglyoxylic acid oxime; 2-(Hydroxyimino)-2-phenylacetic acid; Glyoxylic acid, phenyl-, oxime
EINECS	211-873-5

Quality Control

Our E-Hydroxyimino-Phenylacetic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical intermediate applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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