458552-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 458552-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,8,5,5 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 458552-87:
(8*4)+(7*5)+(6*8)+(5*5)+(4*5)+(3*2)+(2*8)+(1*7)=189
189 % 10 = 9
So 458552-87-9 is a valid CAS Registry Number.