58553-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58553-31-4 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, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58553-31:
(7*5)+(6*8)+(5*5)+(4*5)+(3*3)+(2*3)+(1*1)=144
144 % 10 = 4
So 58553-31-4 is a valid CAS Registry Number.