55554-58-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55554-58-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,5,5 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55554-58:
(7*5)+(6*5)+(5*5)+(4*5)+(3*4)+(2*5)+(1*8)=140
140 % 10 = 0
So 55554-58-0 is a valid CAS Registry Number.