791620-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 791620-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,1,6,2 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 791620-51:
(8*7)+(7*9)+(6*1)+(5*6)+(4*2)+(3*0)+(2*5)+(1*1)=174
174 % 10 = 4
So 791620-51-4 is a valid CAS Registry Number.