4235-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4235-73-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,3 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4235-73:
(6*4)+(5*2)+(4*3)+(3*5)+(2*7)+(1*3)=78
78 % 10 = 8
So 4235-73-8 is a valid CAS Registry Number.