D (+)-Biotin ≥97.5%, white crystalline powder
Leverantör: MP Biomedicals
Synonyms:
Vitamin H, D-Biotin, Vitamin B8, 5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid, Vitamin B7
Essential vitamin that is important for amino acid and energy metabolism, and fatty acid synthesis. It is a prosthetic group in four mammalian carboxylase families and facilitates the binding and transfer of carbon dioxide.
- Reaction (0,02% aq soln) - very slightly acidic to litmus
D-Biotin may be used to elute proteins from avidin/streptavidin resins. It is widely used for dietary supplements and fortified foods. It is also used for tablets and hard-shell capsule preparation due to its pharmaceutical properities.
Soluble in water (22 mg/100 mL), ethanol (80 mg/100 ml), more soluble in hot water and in dilute alkalies; insoluble in other common organic solvents.
Soluble in 2 M Ammonium hydroxide (50 mg/ml - clear, colorless solution), dimethylformamide (1.7 mg/ml).
Reaction (0,02% aq soln)- Very slightly acidic to Litmus
Observera: Research Use Only (RUO).
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Formel:
C₁₀H₁₆N₂O₃S MW: 244,31 g/mol Smältpunkt: 232 °C (dec.) Storage Temperature: Kylskåp |
MDL Number:
MFCD00005541 CAS nummer: 58-85-5 |
Specifikation testresultat
| Identity Test | Passes |
| Purity | ≥97.5% |
| FTIR | Conforms to Standard |
| Reaction (0.02% aq soln) | Very Slightly Acidic to Litmus |
| Melting Point | 223 - 233 °C |
| Optical Rotation (c=2, 0.1 N NaOH) | +89 to +93 ° |
| Organic Volatile Impurities | Passes |
| Expiration Date | Month/Day/Year |
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