Technical Data
1 -Hydroxy Previtamin D2 +1 -Hydroxy Vitamin D2 (Mixture of 2 compounds)
Biochemicals Storage: -20CShipping: Blue Ice
Mixture of 2 compounds: 1 -Hydroxy Previtamin D2 +1 -Hydroxy Vitamin D2

Melting Point:

Chloroform, Methanol

Method for Determining Identity:
Proton NMR (CDCl3) spectroscopic analysis and MS analysis

TLC Conditions:
SiO2; Ethyl acetate : Hexane (7 : 3). Visualized with UV and AMCS (Rf = 0.4).

Storage and Stability:
Store in amber bottle at -20C under inert atmosphere. Caution: Light sensitive. For maximum recovery of product, centrifuge the original vial prior to removing the cap.

CAS Number:
127264-18-0 + 54573-75-0

Molecular Formula:

Molecular Weight:
Source: Synthetic
Purity: ~95%
Form: Pale yellow solid

Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards:All products should be handled by qualified personnel only, trained in laboratory procedures.
Kim, J. et al.: Kor. J. Med. Chem., 9, 22 (1999);

Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.