Description

5,6-trans-Ergocalciferol is a specific stereoisomer of vitamin D2, a fat-soluble secosteroid essential for calcium homeostasis and bone health. This high-purity compound is critical for research and development in the life sciences, where precise molecular structure and activity are required. It serves as a key analytical reference standard and an important intermediate for pharmaceutical and nutraceutical manufacturers targeting global markets.

Application

• Pharmaceutical Reference Standard: Used for the identification, assay, and purity testing of vitamin D2 in drug substances and finished products.
• Biochemical Research: Essential for studying vitamin D metabolism, receptor binding, and the biological effects of specific vitamin D isomers.
• Nutraceutical Development: Serves as a high-purity intermediate in the formulation of advanced dietary supplements and fortified foods.
• Analytical Chemistry: Acts as a critical calibrant in HPLC, LC-MS, and other chromatographic methods for accurate quantification.
• Metabolite Studies: Utilized in research to understand the pathways and activity of vitamin D2 derivatives in biological systems.

Basic Information

Product Name	5,6-trans-Ergocalciferol
CAS No.	51744-66-2
Molecular Formula	C₂₈H₄₄O
Molecular Weight	396.65 g/mol
Synonyms	trans-Vitamin D2; (5E,7E,22E)-Ergosta-5,7,10(19),22-tetraen-3β-ol; 5,6-trans-Vitamin D2; 5,6-trans-Ergocalciferol; 5,6-trans-D2; Iso-Ergocalciferol; 5-trans-Ergocalciferol
EINECS	Contact for details

Quality Control

Our 5,6-trans-Ergocalciferol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. For long-term storage, keep the container in a freezer at -20°C or below.

Specification

Item	Specification
Appearance	White to off-white crystalline 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%
Loss on Drying	≤ 0.5%

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