Description

24-Dehydroprevitamin D3 is a key intermediate in the synthesis of vitamin D3 and its biologically active metabolites. This compound is of significant value for pharmaceutical research and development, particularly in the production of calcitriol and other secosteroids. It is primarily required by manufacturers and R&D laboratories in the pharmaceutical, nutraceutical, and fine chemical sectors for the development of therapeutic agents targeting bone health and calcium regulation.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of active Vitamin D3 analogs like calcitriol (1,25-dihydroxyvitamin D3).
• Research & Development: Used in biochemical research to study vitamin D metabolism, receptor binding, and the synthesis of novel secosteroids.
• Fine Chemical Synthesis: Serves as a building block for creating specialized steroidal compounds with potential therapeutic applications.
• Reference Standard: Employed as a high-purity analytical standard in quality control laboratories for HPLC or LC-MS methods.
• Nutraceutical Development: Investigated for use in the development of advanced vitamin D supplements and fortified products.

Basic Information

Product Name	24-Dehydroprevitamin D3
CAS No.	70574-97-9
Molecular Formula	C27H42O
Molecular Weight	382.63 g/mol
Synonyms	(5Z,7E)-(3S)-9,10-Secocholesta-5,7,10(19)-trien-3-ol; 24-Dehydroprovitamin D3; 24-Dehydro-7-dehydrocholesterol; Previtamin D3 derivative; 24-Dehydro-5,7-cholestadien-3β-ol; (3β)-9,10-Secocholesta-5(10),6,8-trien-3-ol
EINECS	Contact for details

Quality Control

Our 24-Dehydroprevitamin D3 is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, identity confirmation by IR and NMR spectroscopy, and specific tests for related substances. We provide Certificates of Analysis (COA) with detailed results for all critical parameters, ensuring traceability and compliance with cGMP standards where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as indicated on the label. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 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.