5558-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5558-70-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,5 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5558-70:
(6*5)+(5*5)+(4*5)+(3*8)+(2*7)+(1*0)=113
113 % 10 = 3
So 5558-70-3 is a valid CAS Registry Number.