25-Hydroxyvitamin D2
25-羟基维生素D2
Also known as: 25-Hydroxycalciferol, 25-Hydroxyergocalciferol, Ercalcidiol, 25-Hydroxy Vitamin D2, 9,10-Secoergosta-5,7,10(19),22-tetraene-3,25-diol, (3β,5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraene-3,25-diol
25-Hydroxyvitamin D2 (CAS 21343-40-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C28H44O2 and a molecular weight of 412.648 g/mol. It is also known as 25-Hydroxycalciferol, 25-Hydroxyergocalciferol and Ercalcidiol. Key properties include a melting point of 45-51ºC, a boiling point of 542.3±38.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 225.9±21.4 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21343-40-8
- Jingsj CID
- J-1969474-0
- Molecular Formula
- C28H44O2
- Chinese Name
- 25-羟基维生素D2
- Molecular Weight
- 412.648 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 45-51ºC |
|---|---|
| Boiling Point | 542.3±38.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 225.9±21.4 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 25-Hydroxyvitamin D2?
The CAS number of 25-Hydroxyvitamin D2 is 21343-40-8.
What are the molecular formula and molecular weight of 25-Hydroxyvitamin D2?
25-Hydroxyvitamin D2 has molecular formula C28H44O2 and molecular weight 412.648 g/mol.
Is 25-Hydroxyvitamin D2 hazardous?
25-Hydroxyvitamin D2 has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "25-Hydroxyvitamin D2 (CAS 21343-40-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969474-0 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.