91272-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91272-02-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,7 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91272-02:
(7*9)+(6*1)+(5*2)+(4*7)+(3*2)+(2*0)+(1*2)=115
115 % 10 = 5
So 91272-02-5 is a valid CAS Registry Number.
91272-02-5Relevant articles and documents
Push-Pull-Butadienes. VI. Synthesis of Substituted Nicotinonitriles
Peseke, K.,Michalik, M.,Schoenhusen, U.
, p. 856 - 866 (2007/10/02)
2-Aryl-4,4-bis(methylthio)-1,3-butadiene-1,1-dicarbonitriles 1 react with N-bromo-succinimide or sulphuryl chloride to give 3-bromo- and 3-chlorobutadienedicarbonitriles 3, respectively.Compounds 1 or 3 can be converted with methanethiol in alkaline solut
