128914-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128914-29-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,1 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128914-29:
(8*1)+(7*2)+(6*8)+(5*9)+(4*1)+(3*4)+(2*2)+(1*9)=144
144 % 10 = 4
So 128914-29-4 is a valid CAS Registry Number.