Ergosterol 98%
Supplier: Thermo Scientific Chemicals
11781-0050
11781-0250
11781-1000
TS11781-0050EA
91
USD
TS11781-0050
TS11781-0250
TS11781-1000
Ergosterol 98%
Ergosterol
Formula:
C₂₈H₄₄O MW: 396.66 g/mol Boiling Pt: 250 °C (1.3Pa) Melting Pt: 156…158 °C Storage Temperature: Refrigerator |
MDL Number:
MFCD00003623 CAS Number: 57-87-4 |
Specification Test Results
Appearance | White to off-white Crystalline powder or needles |
Infrared spectrum | Conforms |
HPLC | ≥97.5 % |
Specific optical rotation | -105° to -135° (20°C, 589 nm) (c=1, CHCl3) |
Nitrate (NO3) | ≤5 ppm |
Sulfate (SO4) | ≤30 ppm |
Antimony (Sb) | ≤20 ppm |
Arsenic (As) | ≤1 ppm |
Calcium (Ca) | ≤20 ppm |
Iron (Fe) | ≤30 ppm |
Magnesium (Mg) | ≤20 ppm |
Manganese (Mn) | ≤0.5 ppm |
Potassium (K) | ≤50 ppm |
Sodium (Na) | ≤250 ppm |
Heavy metals (as Pb) | ≤10 ppm |
Volatile acids (CH3COOH) | ≤0.001 % |
Insoluble matter | ≤0.001 % |
Reducing substances | Passes test |
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