664982-53-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 664982-53-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,9,8 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 664982-53:
(8*6)+(7*6)+(6*4)+(5*9)+(4*8)+(3*2)+(2*5)+(1*3)=210
210 % 10 = 0
So 664982-53-0 is a valid CAS Registry Number.