458561-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 458561-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,8,5,6 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 458561-89:
(8*4)+(7*5)+(6*8)+(5*5)+(4*6)+(3*1)+(2*8)+(1*9)=192
192 % 10 = 2
So 458561-89-2 is a valid CAS Registry Number.