86840-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86840-05-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,8,4 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 86840-05:
(7*8)+(6*6)+(5*8)+(4*4)+(3*0)+(2*0)+(1*5)=153
153 % 10 = 3
So 86840-05-3 is a valid CAS Registry Number.
86840-05-3Relevant 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