128855-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128855-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,5 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128855-24:
(8*1)+(7*2)+(6*8)+(5*8)+(4*5)+(3*5)+(2*2)+(1*4)=153
153 % 10 = 3
So 128855-24-3 is a valid CAS Registry Number.