79023-66-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79023-66-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,0,2 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 79023-66:
(7*7)+(6*9)+(5*0)+(4*2)+(3*3)+(2*6)+(1*6)=138
138 % 10 = 8
So 79023-66-8 is a valid CAS Registry Number.
79023-66-8Relevant articles and documents
1-Azidoisochromenes. A New Route to 3,1-benzoxazepines
Le Roux, Jean-Pierre,Desbene, Paul-Louis,Cherton, Jean-Claude
, p. 847 - 849 (2007/10/02)
Nucleophilic attack of sodium azide on isochromylium salts leads to the preparation of 1-azidoisochromenes which when heated lose molecular nitrogen and give 3,1-benzoxazepines.
