97156-16-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97156-16-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,1,5 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 97156-16:
(7*9)+(6*7)+(5*1)+(4*5)+(3*6)+(2*1)+(1*6)=156
156 % 10 = 6
So 97156-16-6 is a valid CAS Registry Number.