664359-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 664359-14-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,3,5 and 9 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 664359-14:
(8*6)+(7*6)+(6*4)+(5*3)+(4*5)+(3*9)+(2*1)+(1*4)=182
182 % 10 = 2
So 664359-14-2 is a valid CAS Registry Number.