136812-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136812-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,8,1 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 136812-40:
(8*1)+(7*3)+(6*6)+(5*8)+(4*1)+(3*2)+(2*4)+(1*0)=123
123 % 10 = 3
So 136812-40-3 is a valid CAS Registry Number.
136812-40-3Relevant academic research and scientific papers
Pitlik,Sztaricskai
, p. 1769 - 1776 (1991)
A new, convenient and good yield reduction of cephalosporin S(β)-sulphoxides to the corresponding sulphides was achieved upon treatment with iodotrimethylsilane (TMSI) in dichloromethane.
