97871-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97871-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,8,7 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97871-03:
(7*9)+(6*7)+(5*8)+(4*7)+(3*1)+(2*0)+(1*3)=179
179 % 10 = 9
So 97871-03-9 is a valid CAS Registry Number.