74449-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74449-63-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,4 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74449-63:
(7*7)+(6*4)+(5*4)+(4*4)+(3*9)+(2*6)+(1*3)=151
151 % 10 = 1
So 74449-63-1 is a valid CAS Registry Number.