2118-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2118-46-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,1 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2118-46:
(6*2)+(5*1)+(4*1)+(3*8)+(2*4)+(1*6)=59
59 % 10 = 9
So 2118-46-9 is a valid CAS Registry Number.