740-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 740-58-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 740-58:
(5*7)+(4*4)+(3*0)+(2*5)+(1*8)=69
69 % 10 = 9
So 740-58-9 is a valid CAS Registry Number.
740-58-9Relevant articles and documents
Thermal Decomposition of Aromatic Azides. Formation of Phenazines and Related Compounds
Nay, Barry,Scriven, Eric F. V.,Suschitzky, Hans,Thomas, Desmond R.
, p. 611 - 613 (2007/10/02)
The decomposition of some aromatic azides yielding significant amounts of phenazines, and thereby constituting a potential synthetic procedure, is reported.
