7000-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7000-43-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,0 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7000-43:
(6*7)+(5*0)+(4*0)+(3*0)+(2*4)+(1*3)=53
53 % 10 = 3
So 7000-43-3 is a valid CAS Registry Number.