196880-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196880-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,8,8 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 196880-31:
(8*1)+(7*9)+(6*6)+(5*8)+(4*8)+(3*0)+(2*3)+(1*1)=186
186 % 10 = 6
So 196880-31-6 is a valid CAS Registry Number.