Product name:Pure Cholesterol
CAS No:57-88-5
Appearance:White Crystalline Powder
Purity:99%
MF:C27H46O
Sample:Available
Cholesterol
Powder and cholesteryl, a derivative of the cyclopentane hydrogen more
thin, is human body cell membrane phase structure and an important
component of nerve myelin, weight is 70 kg of normal person, containing
about 140 grams of cholesterol in the body, as early as the 18th
century, people have found cholesterol in bile stone chemists the
herschel in 1816 will be a name to this with the nature of the lipid
material cholesterol cholesterol widely exists in animals, especially in
the most abundant in the brain and nerve tissue in the liver and kidney
and spleen skin bile content is high also its solubility is similar to
fat, insoluble in water, soluble in ether chloroform solvent, etc
Function:
1.Used for flocculent cephalin cholesterol test, vitamin D hormone drugs such as raw materials and biochemical research;
2.Used as a biochemical reagents and emulsifier, etc
3.Is
the important raw material for manufacturing hormones, and can be used
as emulsifier; Analysis is also used as reference substance
4.Used as emulsifier, artificial bezoar vitamin D LCD synthetic hormones of raw materials, used for biochemical research.
Description:
1. Cholesterol BP is a white odourless powder extracted from wool grease.
2. It is a minimum purity of 91% that meets the current BP Pharmacopoeia requirements.
absorption
Item |
Specifications |
Results |
Description |
White or similar sheet crystal or powder |
|
Melting point |
≥ 147℃-150℃ |
1483℃ |
The total steroid content |
98%-102% |
99.2% |
Cholesterol content |
95% |
95.6% |
Solubility |
Clear and no deposit |
Ok |
identification |
Positive |
positive |
Loss on drying |
≤ 0.3 |
0.28% |
Residues |
≤ 0.1% |
0.08% |
Specific rotation |
-34o~ -38° |
-36.5° |
Acidity |
≤0.3 ml |
0.21ml |
Heavy Metals |
20ppm max |
Complies |
Solvent residue: 1.acetone 2.ethanol |
0.5Mg% 0.5Mg% |
0.27Mg% 0.23Mg% |
Conclusion |
The results conforms with USP32 EP6 standards |