18346-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18346-68-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,3,4 and 6 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 18346-68:
(7*1)+(6*8)+(5*3)+(4*4)+(3*6)+(2*6)+(1*8)=124
124 % 10 = 4
So 18346-68-4 is a valid CAS Registry Number.