494-95-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 494-95-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,9 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 494-95:
(5*4)+(4*9)+(3*4)+(2*9)+(1*5)=91
91 % 10 = 1
So 494-95-1 is a valid CAS Registry Number.