18238-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18238-93-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,3 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 18238-93:
(7*1)+(6*8)+(5*2)+(4*3)+(3*8)+(2*9)+(1*3)=122
122 % 10 = 2
So 18238-93-2 is a valid CAS Registry Number.