128671-10-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128671-10-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,7 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128671-10:
(8*1)+(7*2)+(6*8)+(5*6)+(4*7)+(3*1)+(2*1)+(1*0)=133
133 % 10 = 3
So 128671-10-3 is a valid CAS Registry Number.