Description

Pirifibrate CAS NO 55285-45-5 is a high-purity pharmaceutical intermediate and research chemical belonging to the fibrate class of compounds. This compound is of significant interest for its role in the development and synthesis of lipid-regulating agents. It is primarily required by pharmaceutical R&D laboratories, API manufacturers, and fine chemical suppliers serving the life sciences sector.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) targeting dyslipidemia and related metabolic disorders.
• Biochemical Research: Used as a reference standard or experimental compound in metabolic and cardiovascular disease research.
• Process Development: Employed in the scale-up and optimization of manufacturing routes for fibrate-class drugs.
• Analytical Standard: Serves as a high-purity standard for quality control and analytical method development (e.g., HPLC, GC) in pharmaceutical analysis.

Basic Information

Product Name	Pirifibrate
CAS No.	55285-45-5
Molecular Formula	C19H18Cl2O4
Molecular Weight	381.25 g/mol
Synonyms	Pirifibrate; 2,4-Dichlorophenoxyisobutyric acid 2-acetoxyethyl ester; Clofibrate acetate; 2-(2,4-Dichlorophenoxy)-2-methylpropanoic acid 2-acetoxyethyl ester; Ethyleneglycol monoacetate clofibrate; CLY-503; SQ 13,458; EINECS 259-564-8
EINECS	259-564-8

Quality Control

Our Pirifibrate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for pharmaceutical applications. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Related Substances (HPLC)	Total impurities ≤ 1.5% Any single impurity ≤ 0.5%
Loss on Drying	≤ 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.