74635-46-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74635-46-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,3 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74635-46:
(7*7)+(6*4)+(5*6)+(4*3)+(3*5)+(2*4)+(1*6)=144
144 % 10 = 4
So 74635-46-4 is a valid CAS Registry Number.