135456-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135456-80-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,4,5 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135456-80:
(8*1)+(7*3)+(6*5)+(5*4)+(4*5)+(3*6)+(2*8)+(1*0)=133
133 % 10 = 3
So 135456-80-3 is a valid CAS Registry Number.