528531-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 528531-17-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,8,5,3 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 528531-17:
(8*5)+(7*2)+(6*8)+(5*5)+(4*3)+(3*1)+(2*1)+(1*7)=151
151 % 10 = 1
So 528531-17-1 is a valid CAS Registry Number.