Description

19-Hydroxycholesterol 3-Acetate is a key steroidal intermediate and reference standard of significant importance in pharmaceutical research and development. This compound is primarily valued for its role in the synthesis and study of more complex steroid hormones and vitamin D analogs. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require high-purity intermediates for process development and analytical applications.

Application

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of advanced steroid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard and precursor in metabolic pathway studies, particularly those involving cholesterol and hormone biosynthesis.
• Vitamin D Analog Synthesis: Serves as a starting material or intermediate in the research and development of novel vitamin D derivatives.
• Analytical Standard: Employed in HPLC, GC-MS, and other analytical methods for method development, validation, and quality control of related compounds.
• Academic & Contract Research: Utilized in university laboratories and CROs (Contract Research Organizations) for investigative studies in endocrinology and medicinal chemistry.

Basic Information

Product Name	19-Hydroxycholesterol 3-Acetate
CAS No.	750-59-4
Molecular Formula	C₂₉H₄₈O₃
Molecular Weight	444.70 g/mol
Synonyms	19-Hydroxycholesterol acetate; 3β-Acetoxy-19-hydroxycholest-5-ene; 19-Hydroxycholest-5-en-3β-ol acetate; 19-Hydroxy-5-cholesten-3β-ol 3-acetate; Cholest-5-ene-3β,19-diol 3-acetate; 19-HC 3-Acetate; 19-Hydroxycholesterol monoacetate
EINECS	Contact for details

Quality Control

Our 19-Hydroxycholesterol 3-Acetate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, supporting your regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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