172877-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172877-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,8,7 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 172877-40:
(8*1)+(7*7)+(6*2)+(5*8)+(4*7)+(3*7)+(2*4)+(1*0)=166
166 % 10 = 6
So 172877-40-6 is a valid CAS Registry Number.
172877-40-6Relevant academic research and scientific papers
Painter, James E.,Quayle, Peter,Patel, Prakash
, p. 8089 - 8092 (1995)
A modified Doetz benzannulation reaction has been developed for the synthesis of benzofuran derivatives.