159685-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159685-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,6,8 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 159685-66:
(8*1)+(7*5)+(6*9)+(5*6)+(4*8)+(3*5)+(2*6)+(1*6)=192
192 % 10 = 2
So 159685-66-2 is a valid CAS Registry Number.
159685-66-2Relevant articles and documents
Synthesis and biological activity of 2-hydroxy and 2-alkoxy analogs of 1α,25-dihydroxy-19-norvitamin D3
Sicinski,Perlman,DeLuca
, p. 3730 - 3738 (1994)
1α,2α,25-Trihydroxy-19-norvitamin D3, 1α,2β,25-trihydroxy-19- norvitamin D3, and their alkoxy analogs were efficiently prepared in a convergent synthesis, starting with (-)-quinic acid and a Windaus-Grundmann type ketone. Configurati
