Description

Vitamin D3 (Cholecalciferol) is a fat-soluble secosteroid essential for calcium and phosphate homeostasis, bone mineralization, and immune system regulation. Its critical role in preventing nutritional deficiencies and supporting overall health makes it a vital ingredient for the pharmaceutical and nutraceutical industries. This high-purity compound is primarily utilized by manufacturers of dietary supplements, fortified foods, animal feed premixes, and prescription medications.

Application

• Dietary Supplements & Nutraceuticals: Core active ingredient in softgel capsules, tablets, and liquid formulations for bone health and immune support.
• Pharmaceuticals: Used in prescription medications for treating osteoporosis, hypoparathyroidism, and vitamin D deficiency.
• Food & Beverage Fortification: Added to dairy products (milk, yogurt), plant-based alternatives, juices, and cereals for nutritional enhancement.
• Animal Nutrition (Feed Premixes): Essential component in poultry, swine, and aquaculture feed to ensure proper growth, bone development, and eggshell quality.
• Cosmeceuticals & Personal Care: Incorporated into skincare products for its potential benefits in skin cell regulation and health.
• Clinical & Research Use: Serves as a reference standard and raw material in biochemical research and diagnostic kit manufacturing.

Basic Information

Product Name	Vitamin D3
CAS No.	67-97-0
Molecular Formula	C₂₇H₄₄O
Molecular Weight	384.64 g/mol
Synonyms	Cholecalciferol; Colecalciferol; 7-Dehydrocholesterol activated; Activated 7-Dehydrocholesterol; Vitamin D₃; Calciol; Oleovitamin D3; 9,10-Secocholesta-5,7,10(19)-trien-3β-ol
EINECS	200-673-2

Quality Control

Our Vitamin D3 is manufactured under strict quality management systems. It is tested to meet relevant specifications for high-purity applications, including those guided by USP (United States Pharmacopeia), EP (European Pharmacopoeia), and FCC (Food Chemicals Codex) standards. A comprehensive Certificate of Analysis (COA), detailing identity, purity, and impurity profiles, is provided with each batch to ensure traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity to light and oxidation, prolonged exposure to air, heat, or light should be avoided to maintain stability and potency.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0% (on anhydrous basis)
Specific Optical Rotation	+105° to +112°
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%

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