65494-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65494-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,4,9 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65494-91:
(7*6)+(6*5)+(5*4)+(4*9)+(3*4)+(2*9)+(1*1)=159
159 % 10 = 9
So 65494-91-9 is a valid CAS Registry Number.