7454-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7454-83-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,4,5 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7454-83:
(6*7)+(5*4)+(4*5)+(3*4)+(2*8)+(1*3)=113
113 % 10 = 3
So 7454-83-3 is a valid CAS Registry Number.