558459-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 558459-56-6 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 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 558459-56:
(8*5)+(7*5)+(6*8)+(5*4)+(4*5)+(3*9)+(2*5)+(1*6)=206
206 % 10 = 6
So 558459-56-6 is a valid CAS Registry Number.