440087-63-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 440087-63-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,0,8 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 440087-63:
(8*4)+(7*4)+(6*0)+(5*0)+(4*8)+(3*7)+(2*6)+(1*3)=128
128 % 10 = 8
So 440087-63-8 is a valid CAS Registry Number.
440087-63-8Relevant 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
