129161-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129161-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,6 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129161-98:
(8*1)+(7*2)+(6*9)+(5*1)+(4*6)+(3*1)+(2*9)+(1*8)=134
134 % 10 = 4
So 129161-98-4 is a valid CAS Registry Number.
129161-98-4Relevant academic research and scientific papers
Stereoselective conjugate additions of benzyl sulphoxides to α,β-unsaturated esters
Casey,Manage,Gairns
, p. 6919 - 6922 (2007/10/02)
Lithiated benzyl sulphoxides react with α,β-unsaturated esters to give the conjugate addition products with excellent stereoselectivity.