175855-12-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175855-12-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,8,5 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 175855-12:
(8*1)+(7*7)+(6*5)+(5*8)+(4*5)+(3*5)+(2*1)+(1*2)=166
166 % 10 = 6
So 175855-12-6 is a valid CAS Registry Number.
175855-12-6Relevant articles and documents
A vinyl sulfone/vinyl sulfoxide based route to C(6)-C(7) methylene-bridged derivatives of estradiol
Kuenzer,Thiel,Peschke
, p. 1771 - 1772 (2007/10/03)
Acceptor substituted 3-methoxyestra-1,3,5(10),6-tetraene derivatives 3, 4, and 5 have been prepared and exploited in a synthesis of the title compounds 13 and 15 by key Michael-type addition reactions involving dimethylsulfoxonium methylide. α-Cyclopropan