87171-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87171-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,1,7 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87171-40:
(7*8)+(6*7)+(5*1)+(4*7)+(3*1)+(2*4)+(1*0)=142
142 % 10 = 2
So 87171-40-2 is a valid CAS Registry Number.
87171-40-2Relevant academic research and scientific papers
Michael Reactions of 1,1-Bis(benzenesulfonyl) ethene
Rao, Y. Koteswar,Nagarajan, M.
, p. 519 - 520 (2007/10/02)
Some Michael aaddition reactions of 1,1-bis(benzenesulfonyl) ethene are reported.