268544-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 268544-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,8,5,4 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 268544-70:
(8*2)+(7*6)+(6*8)+(5*5)+(4*4)+(3*4)+(2*7)+(1*0)=173
173 % 10 = 3
So 268544-70-3 is a valid CAS Registry Number.