558452-66-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 558452-66-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,8,4,5 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 558452-66:
(8*5)+(7*5)+(6*8)+(5*4)+(4*5)+(3*2)+(2*6)+(1*6)=187
187 % 10 = 7
So 558452-66-7 is a valid CAS Registry Number.