005505
25-Hydroxyvitamin D3 (Calcifediol)
Size
£422.00
- SKU:
- 005505
- Molecular Weight:
- 400.64
- Purity:
- ≥95% (HPLC)
- Storage Conditions:
- -20°C
- Supplier:
- United States Biological
- CAS Number:
- 19356-17-3
- Format:
- Supplied as a white to off-white solid
- Extra Details:
- A metabolite of Vitamin D. The principal circulating form of vitamin D3, formed in the liver by hydroxylation at C-25. Calcium regulator. Synonyms: (3β,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: 105-108ºC 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 -20°C 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.
- Shipping Conditions:
- Blue Ice