64950-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64950-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,5 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64950-53:
(7*6)+(6*4)+(5*9)+(4*5)+(3*0)+(2*5)+(1*3)=144
144 % 10 = 4
So 64950-53-4 is a valid CAS Registry Number.