97920-16-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97920-16-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,9,2 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 97920-16:
(7*9)+(6*7)+(5*9)+(4*2)+(3*0)+(2*1)+(1*6)=166
166 % 10 = 6
So 97920-16-6 is a valid CAS Registry Number.