1268720-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1268720-05-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,7,2 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1268720-05:
(9*1)+(8*2)+(7*6)+(6*8)+(5*7)+(4*2)+(3*0)+(2*0)+(1*5)=163
163 % 10 = 3
So 1268720-05-3 is a valid CAS Registry Number.