64918-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64918-66-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,1 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 64918-66:
(7*6)+(6*4)+(5*9)+(4*1)+(3*8)+(2*6)+(1*6)=157
157 % 10 = 7
So 64918-66-7 is a valid CAS Registry Number.
64918-66-7Relevant articles and documents
New approach to the synthesis of benzo[e][1,2,3,4]tetrazine 1,3-dioxides
Frumkin,Churakov,Strelenko,Tartakovsky
, p. 482 - 486 (2007/10/03)
A new approach to the synthesis of benzo[e][1,2,3,4]tetrazine 1,3-dioxides involves the treatment of N-nitroanilines containing an ortho-(tert-butyl-NNO-azoxy) group with phosphoric anhydride or phosphorus pentachloride. The reaction is supposed to procee