58553-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58553-15-4 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, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 58553-15:
(7*5)+(6*8)+(5*5)+(4*5)+(3*3)+(2*1)+(1*5)=144
144 % 10 = 4
So 58553-15-4 is a valid CAS Registry Number.