83809-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83809-87-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,0 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83809-87:
(7*8)+(6*3)+(5*8)+(4*0)+(3*9)+(2*8)+(1*7)=164
164 % 10 = 4
So 83809-87-4 is a valid CAS Registry Number.
83809-87-4Relevant articles and documents
Synthesis of Nitro Derivative of Azolotriazine
Rusinov, V. L.,Petrov, A. Yu.,Postovskii, I. Ya.
, p. 974 - 978 (2007/10/02)
A number of azolotriazines containing a nitro group in the triazine ring were obtained by the reaction of diazopyrazole and diazo-1,2,4-triazoles with ethyl nitroacetate.Some properties of the compound obtained were studied.