74449-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74449-64-2 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 4 respectively.
Calculate Digit Verification of CAS Registry Number 74449-64:
(7*7)+(6*4)+(5*4)+(4*4)+(3*9)+(2*6)+(1*4)=152
152 % 10 = 2
So 74449-64-2 is a valid CAS Registry Number.