77425-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77425-59-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,2 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77425-59:
(7*7)+(6*7)+(5*4)+(4*2)+(3*5)+(2*5)+(1*9)=153
153 % 10 = 3
So 77425-59-3 is a valid CAS Registry Number.
77425-59-3Relevant articles and documents
Cycloaddition Reaction of Cycloimmonium Ylides with Triphenylcyclopropene
Matsumoto, Kiyoshi,Uchida, Takane
, p. 73 - 77 (2007/10/02)
Cycloaddition reactions of 1,2,3-triphenylcyclopropene (TPP) with a variety of substituted pyridinum dicyanomethylides (1) give the corresponding 1,2,3-triphenylindolizines (3) , 6-cyano-7,8,9-triphenyl-4H-quinolizines (5), 4-cyano-1,2,3-tripheny