25-Hydroxyvitamin D3 (Calcifediol), CAS [[19356-17-3]]
Biozol Catalog Number:
USB-005505
Supplier Catalog Number:
005505
Alternative Catalog Number:
USB-005505-10,USB-005505-25
Manufacturer:
US Biological
Category:
Biochemikalien
A metabolite of Vitamin D. The principal circulating form of vitamin D3, formed in the liver by hydroxylation at C-25. Calcium regulator. Synonyms: (3beta,5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-3,25-diol, 25-Hydroxycholecalciferol, 25-Hydroxyvitamin D, 25-Hydroxyvitamin D3, Calcidiol, Didrogyl, Hidroferol, Ro 8-8892 CAS No: 19356-17-3 Molecular Formula: C27H44O2 Molecular Weight: 400.64 Purity: 95% (HPLC) Appearance: White to Off-White Solid Melting Point: 105-108C Solubility: Chloroform (Heated), Methanol (Slightly) Atmosphere: Inert Gas Method for Determining Identity: Proton NMR Spectroscopic and Mass Spectrometric Analysis TLC Conditions: SiO2, Dichloromethane: Methanol=9:1, Visualized with UV and KMnO4, Single Spot, Rf=0.75 Elemental Analysis: Calculated: %C: 80.94, %H: 11.07 Water Content (Karl Fischer): As Reported Specific Rotation (c=0.3, Chloroform): As Reported Storage and Stability: Long-term storage is recommended at -20C under inert gas. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. 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.
Molecular Weight:
400.64
Purity:
95% (HPLC)
Form:
Supplied as a white to off-white solid
CAS Number:
[19356-17-3]
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