493012-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 493012-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,3,0,1 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 493012-18:
(8*4)+(7*9)+(6*3)+(5*0)+(4*1)+(3*2)+(2*1)+(1*8)=133
133 % 10 = 3
So 493012-18-3 is a valid CAS Registry Number.