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239100-21-1

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239100-21-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 239100-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,9,1,0 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 239100-21:
(8*2)+(7*3)+(6*9)+(5*1)+(4*0)+(3*0)+(2*2)+(1*1)=101
101 % 10 = 1
So 239100-21-1 is a valid CAS Registry Number.

239100-21-1Downstream Products

239100-21-1Relevant articles and documents

Synthesis of putative metabolites of 1α,25-dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71)

Ono, Yoshiyuki,Watanabe, Hiroyoshi,Taira, Ikuo,Takahashi, Keisuke,Ishihara, Jun,Hatakeyama, Susumi,Kubodera, Noboru

, p. 529 - 540 (2007/10/03)

1α,25-Dihydroxy-2β-(3-hydroxypropoxy)vitamin D3 (ED-71), an analog of active vitamin D3, 1α,25-dihydroxyvitamin D3 [1,25(OH)2D3] is under phase III clinical trials in Japan for the treatment of osteop

Convergent synthesis of 1α-hydroxyvitamin D5

Gao, Ling-Jie,Zhao, Xu-Yang,Vandewalle, Maurits,De Clercq, Pierre

, p. 2755 - 2759 (2007/10/03)

An eleven-step, high-yielding (46%) synthesis of 1α-hydro-xyvitamin D5 (2) starting from Vitamin D2 (4) is described, in which a Julia olefination sequence is used for the construction of the (24R)-ethyl-substituted side chain.

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