117678-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117678-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,7 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117678-91:
(8*1)+(7*1)+(6*7)+(5*6)+(4*7)+(3*8)+(2*9)+(1*1)=158
158 % 10 = 8
So 117678-91-8 is a valid CAS Registry Number.
117678-91-8Relevant academic research and scientific papers
Sterically Hindered Free Radicals, XIX. - Stable 4,4',4''-Trisubstituted Triphenylmethyl Radicals
Duennebacke, Dieter,Neumann, Wilhelm P.,Penenory, Alicia,Stewen, Ulrich
, p. 533 - 536 (2007/10/02)
The title radicals (4-R-C6H4)3C. (1), R = F, Cl, Ph, OMe, NO2, tBu, OEt, SMe, CN, CF3, have been prepared, the latter four for the first time, and the ESR spectra have been recorded. aoH, amH, and as
