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171015-30-8

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171015-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171015-30-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,0,1 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 171015-30:
(8*1)+(7*7)+(6*1)+(5*0)+(4*1)+(3*5)+(2*3)+(1*0)=88
88 % 10 = 8
So 171015-30-8 is a valid CAS Registry Number.

171015-30-8Relevant articles and documents

A Facile Stereoselective Route to a C/D-Ring Synthon for 20-Epi-22-oxavitamin D3 Analogues

Hatakeyama, Susumi,Ikeda, Tatsuhiko,Irie, Hiroshi,Izumi, Chino,Mori, Hisato,et al.

, p. 1959 - 1960 (1995)

An efficient method for the preparation of a C/D-ring synthon for 20-epi-22-oxavitamin D3 analogues is developed based on Me3SiOSO2CF3 catalysed reductive etherification of a ketone with an alkoxytrimethylsilane in the presence of triethylsilan

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