289046-36-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289046-36-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,0,4 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 289046-36:
(8*2)+(7*8)+(6*9)+(5*0)+(4*4)+(3*6)+(2*3)+(1*6)=172
172 % 10 = 2
So 289046-36-2 is a valid CAS Registry Number.
289046-36-2Relevant articles and documents
Isomerisation of 2,2-dimethyl dimedone to (D,L) cis-chrysanthemic acid
Krief, Alain,Lorvelec, Guillaume,Jeanmart, Stephane
, p. 3871 - 3874 (2000)
(D,L) cis-Chrysanthemic acid has been obtained in four steps from 2,2- dimethyl dimedone which involves Bamford-Stevens olefination and tandem cyclization-Grob fragmentation reactions. (C) 2000 Published by Elsevier Science Ltd.