Description

Cholest-5-Ene-3β,19-Diol Diacetate is a high-purity steroidal diacetate derivative, serving as a critical advanced intermediate in the synthesis of complex pharmaceutical and fine chemical products. Its defined molecular structure provides a versatile scaffold for researchers and manufacturers developing novel therapeutic agents and high-value specialty chemicals. This compound is primarily utilized by the pharmaceutical, biotechnology, and advanced organic synthesis sectors for research, process development, and commercial manufacturing.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of steroid-based active pharmaceutical ingredients (APIs) and drug candidates.
• Biochemical Research: Used as a precursor or reference standard in metabolic pathway studies and sterol biosynthesis research.
• Fine Chemical Synthesis: Serves as a versatile starting material for the production of custom steroidal derivatives and specialty compounds.
• Process Chemistry: Employed in scale-up and optimization of synthetic routes for complex organic molecules in pilot plants and manufacturing.
• Reference Standard: Utilized in analytical laboratories for method development, validation, and quality control testing of related substances.

Basic Information

Product Name	Cholest-5-Ene-3β,19-Diol Diacetate
CAS No.	21072-68-4
Molecular Formula	C₃₁H₅₀O₄
Molecular Weight	486.73 g/mol
Synonyms	3β,19-Diacetoxycholest-5-ene; 19-Acetoxy-3β-cholestenyl acetate; 3β,19-Dihydroxycholest-5-ene diacetate; Cholest-5-ene-3β,19-diol, diacetate; 3β-Acetoxy-19-acetoxycholest-5-ene; 19-Acetoxycholesterol 3-acetate; (3β)-3-(Acetyloxy)-19-(acetyloxy)cholest-5-ene
EINECS	Contact for details

Quality Control

Our Cholest-5-Ene-3β,19-Diol Diacetate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling via techniques such as HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. For long-term storage, consider inert gas purging to maintain product integrity.

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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
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.