128609-45-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128609-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,0 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128609-45:
(8*1)+(7*2)+(6*8)+(5*6)+(4*0)+(3*9)+(2*4)+(1*5)=140
140 % 10 = 0
So 128609-45-0 is a valid CAS Registry Number.