Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
CAS NO.128-13-2
without stink taste bitter 128-13-2 ≥ 99.0% Ursodesoxycholic Acid
Specification
Item |
Specification |
Result |
Appearance |
White or almost white powder |
Complies |
Assay (titration) |
≥99.0% |
99.8% |
Solubility |
Soluble in alcohol, Acetone, Methylene chloride |
Complies |
Identification |
IR, TLC and Chrominance test |
Complies |
Melting point |
~202°C |
Complies |
Specific Optical Rotation |
58~62o |
|
Heavy metals |
20ppm |
|
Loss on drying |
1.0% |
0.08% |
Sulphated ash |
0.1% |
0.05% |
Sesidual solvents |
Acetone ≤0.5% |
0.22% |
Methanol≤ 0.3% |
Not detected |
|
Secondary butyl alcohol ≤0.5% |
Not detected |
|
Related substance(TLC)
|
Lithocholic acid≤0.1% |
Complies |
Cholic acid≤0.5% |
Complies |
|
CDCA≤1.0% |
Complies |