111424-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111424-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,4,2 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 111424-16:
(8*1)+(7*1)+(6*1)+(5*4)+(4*2)+(3*4)+(2*1)+(1*6)=69
69 % 10 = 9
So 111424-16-9 is a valid CAS Registry Number.
111424-16-9Relevant articles and documents
STUDIES TOWARDS THE TOTAL SYNTHESIS OF STRYCHNINE (I)
Quesada, Martha L.,Kim, Deukjoon,Ahn, Soon Kil,Jeong, Nak Shin,Hwang, Yun,et al.
, p. 283 - 286 (2007/10/02)
A stereoselective synthesis of a potential synthetic intermediate 12 for the synthesis of strychnine is described, wherein a series of Michael reactions are key steps.