128345-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128345-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,4 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128345-24:
(8*1)+(7*2)+(6*8)+(5*3)+(4*4)+(3*5)+(2*2)+(1*4)=124
124 % 10 = 4
So 128345-24-4 is a valid CAS Registry Number.