1A,25-dihydroxycholecalciferol (5Z,7E)-(1S,3R)-9, CAS NO. 32222-06-3 Calcitriol CAS NO.32222-06-3

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%