128587-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128587-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,8 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128587-11:
(8*1)+(7*2)+(6*8)+(5*5)+(4*8)+(3*7)+(2*1)+(1*1)=151
151 % 10 = 1
So 128587-11-1 is a valid CAS Registry Number.