126979-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126979-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,7 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 126979-05:
(8*1)+(7*2)+(6*6)+(5*9)+(4*7)+(3*9)+(2*0)+(1*5)=163
163 % 10 = 3
So 126979-05-3 is a valid CAS Registry Number.
126979-05-3Relevant articles and documents
Diels-Alder Reactions of 1-Phenylpyranoindol-3-ones with Alkynes: New Functionalized Carbazoles
Pindur, Ulf,Erfanian-Abdoust, Houshang
, p. 771 - 773 (2007/10/02)
3-Indolylalkanoic acids 2 react with benzoic acid anhydride under catalysis of Et2O-ZnCl2 and mild conditions to furnish the 1-phenyl-substituted pyranoindol-3-ones 1c, 1d, and 3a, 3b.Products 1c, 1d, and 3b may be converted into the novel function