142428-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142428-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,4,2 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142428-53:
(8*1)+(7*4)+(6*2)+(5*4)+(4*2)+(3*8)+(2*5)+(1*3)=113
113 % 10 = 3
So 142428-53-3 is a valid CAS Registry Number.