64225-34-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64225-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,2 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 64225-34:
(7*6)+(6*4)+(5*2)+(4*2)+(3*5)+(2*3)+(1*4)=109
109 % 10 = 9
So 64225-34-9 is a valid CAS Registry Number.