129633-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129633-19-8 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, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129633-19:
(8*1)+(7*2)+(6*9)+(5*6)+(4*3)+(3*3)+(2*1)+(1*9)=138
138 % 10 = 8
So 129633-19-8 is a valid CAS Registry Number.
129633-19-8Relevant 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.
