57-88-5 Cholesterol 5-Cholesten-3beta-ol
Product name |
Cholesterol Powder |
CAS No. |
57-88-5 |
Appearance |
White fine powder |
EINECS |
200-353-2 |
Molecular formula |
C27H46O |
Molecular weight |
386.66 |
Specification |
99% |
Test items | Specifications | Results | |||
Appearance | White or similar sheet crystal or powder | Complies | |||
Solubility in alcohol | Clear and no deposit | Complies | |||
Identification | |||||
A |
The chloroform acquires a blood-red color and the sulfuric acid shows a green fluorescence. |
Complies | |||
B |
A pink color is produced, and it rapidly changes to red, then to blue, and finally to a brilliant green. |
Complies | |||
Melting range | 147℃-150℃ | 148.2℃ | |||
Specific rotation | -34°~-38° | -36.4° | |||
Acidity | ≤0.3ml | 0.15ml | |||
Loss on drying | ≤0.3% | 0.23% | |||
Residue on ignition | ≤0.1% | <0.1% | |||
Purity | ≥95% | 97.8% | |||
Conclution | The product can meet the USP32 Standard. |
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