104876-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104876-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,8,7 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 104876-67:
(8*1)+(7*0)+(6*4)+(5*8)+(4*7)+(3*6)+(2*6)+(1*7)=137
137 % 10 = 7
So 104876-67-7 is a valid CAS Registry Number.
104876-67-7Relevant articles and documents
Syntheses of 2,4,6-Cycloheptatrien-1-yl Ketones
Ritter, Kurt,Hanack, Michael
, p. 3704 - 3717 (2007/10/02)
The phenyl(trimethylsiloxy)acetonitriles 5a - g, prepared by umpolung reactions with trimethylsiloxy cyanide, reacted after deprotonation with the tropylium cation 6 to give the 2,4,6-cycloheptatrien-1-ylaryl(trimethylsiloxy)acetonitriles 7a - g.After cle