198348-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198348-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,3,4 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 198348-93:
(8*1)+(7*9)+(6*8)+(5*3)+(4*4)+(3*8)+(2*9)+(1*3)=195
195 % 10 = 5
So 198348-93-5 is a valid CAS Registry Number.
198348-93-5Relevant articles and documents
Nitropyrazoles: 10. N-nitration of 3(5)-substituted pyrazoles
Dalinger,Litosh,Shevelev
, p. 1149 - 1153 (2007/10/03)
A number of substituted N-nitropyrazoles were prepared by direct nitration of substituted pyrazoles. The dependence of the direction of nitration on the reaction conditions was studied.