18083-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18083-80-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,0,8 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18083-80:
(7*1)+(6*8)+(5*0)+(4*8)+(3*3)+(2*8)+(1*0)=112
112 % 10 = 2
So 18083-80-2 is a valid CAS Registry Number.