calcitriol
cas no:32222-06-3
mf:c27h44o3
use:osteoporosis
appearance:white powder
product name |
calcitriol 5z,7e) -9,10-secocholesta-5,7,10(19)-triene-1α,3β,25-triol |
||
batch no. |
my3090514
|
retest date |
apr. 2011 |
quantity |
5g |
manu. date |
may 2009 |
cas no. |
32222-06-3 ..2006 |
ref. standard |
usp32 |
items |
specifications |
test results |
appearance |
white powder |
conform |
solubility |
corresponds |
corresponds |
identification |
ir hplc the principal peak in the chromatogram obtained with the test solution is similar in retention time and size to the principal peak in the chromatogram obtained with stand solution |
conform conform
|
purity |
tlc: one spot hplc:≥99.0% |
one spot 99.7% |
related impurities |
triazoline adduct of pre-isomer: 0.1%max trans-isomer: 0.25max 1β-isomer:0.1%max methylene isomer: 0.1%max |
not detected 0.07% not detected 0.06% |
an other single related substance apart from pre-calcitriol |
0.1%max |
0.06% |
total impurities |
1.0%max |
0.3% |
unknown imp each |
0.1%max |
conform |
content |
97.0~103.0% |