89473-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89473-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,7 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89473-50:
(7*8)+(6*9)+(5*4)+(4*7)+(3*3)+(2*5)+(1*0)=177
177 % 10 = 7
So 89473-50-7 is a valid CAS Registry Number.
89473-50-7Relevant articles and documents
NEW STEREOCONTROLLED APPROACH TO SOME INSECT PHEROMONES VIA SILICON-DIRECTED BECKMANN FRAGMENTATION
Nishiyama, Hisao,Sakuta, Koji,Itoh, Kenji
, p. 223 - 226 (2007/10/02)
The major components of sex pheromones of potato tuberworm moth and Douglas fir tussock moth have been synthesized via the regio- and stereo-controlled Beckmann fragmentation assisted by trimethylsilyl group.