Calcipotriol
Price | $55 |
Package | 1KG |
Min. Order: | 100KG |
Supply Ability: | 20 |
Update Time: | 2020-11-20 |
Product Details
Product Name: Calcipotriol | CAS No.: 112828-00-9 |
Min. Order: 100KG | Purity: 99% |
Supply Ability: 20 | Release date: 2020/11/20 |
Specification
Items |
Specification |
Results |
Appearance |
White or almost white, crystalline powder |
Complies |
Solubility |
Practically insoluble in water, freely soluble in ethanol,(96%), slightly soluble in methylene chloride (96 percent), slightly soluble in methylene chloride |
Complies |
Identification |
Infrared spectrum corresponds to that of the standard preparation |
Complies |
The retention time of the major peak in the chromatogram corresponds to that in the chromatogram of standard preparation |
Complies |
|
Related Substances by TLC |
Impurity A ((5Z,7E,22E)-24-cyclopropyl-1α,3β-dihydroxy-9,10-secochola-5,7,10(19),22-tetraen-24-one): NMT 0.25% |
Complies |
Impurity G (24,24-oxybis[(5Z,7E,22E,24S)-24-cyclopropyl-9,10-secochola-5,7,10(19),22-tetraene-1α,3β-diol]) : NMT 0.25% |
Complies |
|
Impurity H ((5Z,7E,22E,24R)-24-cyclopropyl-24- [[(5Z,7E,22E,24S)-24-cyclopropyl-1α,3β-dihydroxy-9,10-secochola-5,7,10(19),22-tetraen-24-yl]oxy]-9,10-secochola-5,7,10(19),22-tetraene-1α,3β-diol): NMT 0.25% |
Complies |
|
Any other impurity : NMT 0.1% |
Complies |
|
Related Substances by HPLC |
Impurity B ((7Z)-calcipotriol) : NMT 0.5% |
ND |
Impurity C ((5E)-calcipotriol) : NMT 1.0% |
0.50% |
|
Impurity D (24-epi-calcipotriol) : NMT 1.0% |
0.66% |
|
Any other impurity: NMT 0.1% |
0.09% |
|
Total impurities : NMT 2.5% |
1.25% |
|
Residual Solvents |
Acetone : NMT 5000ppm |
630ppm |
Ethyl acetate : NMT 5000ppm |
ND |
|
n-Hexane : NMT 290ppm |
ND |
|
Methanol : NMT 3000ppm |
ND |
|
Dichloromethane : NMT 600ppm |
ND |
|
Loss on Drying |
NMT 0.5% |
0.27% |
Content |
95.5%-102.0% (dried substance) |
98.26% |
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- Since: 2018-06-12
- Address: Room1301,Tatan International