| 5,6-trans-Vitamin D3 is the major photoisomer of Vitamin D3 analog, as an impurity. Synonyms: (1S,3E)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(1R)-1,5-Dimethylhexyl]octahydro-7a-methyl-4H-inden-4-ylidene]ethylidene]-4-methylenecyclohexanol, (3beta,5E,7E)-9,10-Secocholesta-5,7,10(19)-trien-3-ol, (E,E)-9,10-Secocholesta- 5,7,10(19)-trien-3beta-ol, 5,6-trans-Cholecalciferol, trans-Vitamin D3, Cholecalciferol EP Impurity A CAS No: 22350-41-0 Molecular Formula: C27H44O Molecular Weight: 384.64 Appearance: White to pale yellow solid Purity: ~90% Melting Point: 67-73C Solubility: Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly) Storage and Stability: Store at -86C Freezer, Under inert atmosphere. Amber Vial. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Method for Determining Identity: Proton NMR (CDCl3) and Mass Spectrometric Analysis TLC Conditions: As reported Storage and Stability: Long-term storage is recommended at -86C under Inert gas. For maximum recovery of product, centrifuge the original vial prior to removing the cap. Light and Temperature sensitive. Hygroscopic. Store under Inert atmophere. 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. |
