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141245-57-0

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141245-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141245-57-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,2,4 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 141245-57:
(8*1)+(7*4)+(6*1)+(5*2)+(4*4)+(3*5)+(2*5)+(1*7)=100
100 % 10 = 0
So 141245-57-0 is a valid CAS Registry Number.

141245-57-0Downstream Products

141245-57-0Relevant articles and documents

Functionalization of vitamin D metabolites at C-18 and application to the synthesis of 1 α, 18,25-trihydroxyvitamin D3 and 18,25-dihydroxyvitamin D3

Valles, Maria Jose,Castedo, Luis,Mourino, Antonio

, p. 1503 - 1506 (1992)

A general procedure for the introduction of a hydroxyl group at C-18 in several intermediates derived from the Inhoffen-Lythgoe diol is described for the first time. As an application, the syntheses of 1α, 18,25-trihydroxyvitamin D3 (2, dienyne

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