129633-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129633-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,3 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129633-26:
(8*1)+(7*2)+(6*9)+(5*6)+(4*3)+(3*3)+(2*2)+(1*6)=137
137 % 10 = 7
So 129633-26-7 is a valid CAS Registry Number.
129633-26-7Relevant articles and documents
Regioselective synthesis of trifluoromethyl substituted quinolines from trifluoroacetyl acetylenes
Linderman,Kirollos
, p. 2689 - 2692 (2007/10/02)
Trifluoromethyl substituted quinolines have been prepared by 1,2- or 1,4-addition of anilines to trifluoroacetyl acetylenes followed by intramolecular acid catalyzed ring closure.