58553-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58553-89-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,5,5 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 58553-89:
(7*5)+(6*8)+(5*5)+(4*5)+(3*3)+(2*8)+(1*9)=162
162 % 10 = 2
So 58553-89-2 is a valid CAS Registry Number.