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[3H]-1,25-Dihydroxyvitamin D3

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Origin: China

Cas No: 66791-71-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 66791-71-7 Formula: C27H44O3 Molecular Weight: 416.63600

Description

An impurity of Calcitriol.

Basic Info

Chemical Name	[3H]-1,25-Dihydroxyvitamin D3
Synonyms	IMpurity B of Calcitriol; EPI-CALCITRIOL; 1-epi-Calcitriol;
CAS No.	66791-71-7
Molecular Formula	C27H44O3
Molecular Weight	416.63600
PSA	60.69000
LogP	5.70470

Synthesis Route

(3R,5R)-oct-1-en-7-yn-3,5-diol→[3H]-1,25-Dihydroxyvitamin D3
→[3H]-1,25-Dihydroxyvitamin D3
(3R,5R)-3,5-bis[(tert-butyldimethylsilyl)oxy]oct-1-en-7-yne→[3H]-1,25-Dihydroxyvitamin D3

Precursor

(R)-trimethyl(3-(oxiran-2-yl)prop-1-yn-1-yl)silane
(3R,5R)-oct-1-en-7-yn-3,5-diol
(3R,5R)-3,5-bis[(tert-butyldimethylsilyl)oxy]oct-1-en-7-yne
(S,E)-5-(tert-butyldimethylsilyloxy)-8-(trimethylsilyl)oct-2-en-7-yn-1-ol

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