622789-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 622789-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,2,7,8 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 622789-20:
(8*6)+(7*2)+(6*2)+(5*7)+(4*8)+(3*9)+(2*2)+(1*0)=172
172 % 10 = 2
So 622789-20-2 is a valid CAS Registry Number.
622789-20-2Relevant academic research and scientific papers
Substituted ureas based on 2,6-dimethyl-3,5-pyridinedicarboxylic acid azides
Nesterova, E. Yu.,Pugacheva,Voevudsky
, p. 1187 - 1195 (2013/03/13)
Under Curtius rearrangement conditions, 2,6-dimethyl-3,5- pyridinedicarboxylic acid azides form the corresponding isocyanates which react in situ with ammonia, primary and secondary amines to form mono-, di-, and trisubstituted ureas. The reaction of the
