1494-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1494-18-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,9 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1494-18:
(6*1)+(5*4)+(4*9)+(3*4)+(2*1)+(1*8)=84
84 % 10 = 4
So 1494-18-4 is a valid CAS Registry Number.