64501-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64501-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,5,0 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64501-63:
(7*6)+(6*4)+(5*5)+(4*0)+(3*1)+(2*6)+(1*3)=109
109 % 10 = 9
So 64501-63-9 is a valid CAS Registry Number.