D(+)-Biotina 98%
Fornitore: Thermo Fisher Scientific
Formula:
C₁₀H₁₆N₂O₃S Punto di fusione: 231…233 °C (dec.) Densità: 1,41 g/cm³ (20 °C) Temperatura di stoccaggio: Refrigerata |
MDL Number:
MFCD00005541 CAS Number: 58-85-5 EINECS: 200-399-3 Merck Index: 13,01231 |
Risultati del test di specificazione
Appearance | White to off-white Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤1 % (105°C) |
Sulfated ash | ≤0.1 % |
Appearance of solution | (2% soln. in 0.1 N NaOH) clear, colorless |
Specific optical rotation | +89° to +93° (20°C, 589 nm) (c=2, 0.1 N NaOH) (on dried substance) |
Titration with NaOH | ≥97.5 % (On dried substance) |
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