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Paricalcitol,131918-61-1,Vitamin D2 derivative
Paricalcitol
Paricalcitol,131918-61-1,Vitamin D2 derivative
Product Name
Paricalcitol
Synonyms
19-Nor-1alpha,25-dihydroxyvitamin D2
Systematic Name
19-Nor-9,10-secoergosta-5,7,22-triene-1,3,25-triol, 
(1alpha,3beta,7E,22E)-
CAS No.
131918-61-1
Molecular Formula 
C27H44O3
Molecular Weight
416.642
Price
US$3500/50mg
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Paricalcitol,131918-61-1,Vitamin D2 derivative
Specification
Appearance
White to off-powder
Complies
Solubility
Corresponds
Corresponds
Identification
IR;HPLC
Corresponds
Purity
TLC: one spot
one spot
HPLC:≥99.5%
99.8%
Related substances
Any individual impurity:≤0.1%
0.08%
Total impurities ≤0.5%
0.2%
Loss on drying
≤2.0%
0.16%
Assay
97.0% - 103.0%
99.2%
Storage:2 years under nitrogen(+4℃);3 years under nitrogen(-18℃)
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PD2
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PD3
the buyer assumes responsibility of all patent considerations in the use of
Lanos' Pharmaceutical Co.,LTD ’s product(Paricalcitol,131918-61-1).
PD4
R&D use in accordance with (1) 35 USC 271(e)+A13(1) in the U.S.; (2) Section 69.1 of Japanese Patent Law in Japan; (3) Section 11, No. 2 of the German Patent Act of 1981 in Germany; (iv) Section 60, Paragraph 5b of the U.K. Patents Act of 1977 in the U.K.; (4) Sections 55.2(1) and 55.2(6) and other common law exemptions of Canadian patent law; (5) Section 68B of the Patents Act of 1953 in New Zealand together with the amendment of same by the Statutes Amendment Bill of 2002; (6) such related legislation and/or case law as may be or become applicable in the aforementioned countries; and (7) such similar laws and rules as may apply in various other countries.