Name
|
1α,25-Dihydroxyvitamin D3
|
CAS No
|
32222-06-3
|
Synonym
|
Calcitriol
1,25-Dihydroxycholecalciferol
|
Molecular Weight
|
416.64
|
M.F:
|
C27H44O3
|
Purity
|
99%min
|
Mp
|
119℃
|
MDL Number
|
MFCD00867079
|
EINECS No
|
250-963-8
|
Appearance
|
White powder
|
Medicine Grade
|
USP
|
Grade Standard
|
Medical stand
|
Model Number
|
API
|
Model Number
|
API
|
Documents available
|
COA,MSDS,NMR,HPLC
|
Certificate
|
SGS
|
Usage
|
Pharmaceuticals
|
Molecular Weight
|
416.64
|
Packing
|
100mg,1g,5g,25g,100g/bottle
|
Place of origin
|
China
|
Safety Description
|
S36/37/39/S45
|
storage
|
Store at -20° C,in N2, Keep from light.
|
Appearance
|
White or almost white crystals
|
Conform
|
Solubility
|
Practically insoluble in water, freely soluble in alcohol, soluble in fatty oils
|
Conform
|
Identification
|
Infrared spectrum corresponds to that of the standard preparation
|
Conform
|
The retention time of the major peak in the chromatogram corresponds to that in the chromatogram of standard preparation
|
Conform
|
|
Related Compounds
|
Trazoline adduct of pre-calcitriol:NMT 0.5%
|
ND
|
Trans-calcitriol: NMT 0.5%
|
0.17%
|
|
1β-Calcitriol: NMT 0.5%
|
ND
|
|
Any other individual impurity: NMT 0.1%
|
Conform
|
|
Total impurities: NMT 0.1%
|
0.28%
|
|
Purity
|
NLT 99.0%
|
99.72%
|
Loss on Drying
|
NMT 0.5%
|
<0.05%
|
Heavy Metals
|
NMT 20ppm
|
Conform
|
Residue on Ignition
|
NMT 0.1%
|
<0.05%
|
Assay
|
97.0~103.0%
|
99.5%
|