97205-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97205-16-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,0 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 97205-16:
(7*9)+(6*7)+(5*2)+(4*0)+(3*5)+(2*1)+(1*6)=138
138 % 10 = 8
So 97205-16-8 is a valid CAS Registry Number.