154420-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154420-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,4,2 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 154420-58:
(8*1)+(7*5)+(6*4)+(5*4)+(4*2)+(3*0)+(2*5)+(1*8)=113
113 % 10 = 3
So 154420-58-3 is a valid CAS Registry Number.