90018-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90018-93-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,1 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90018-93:
(7*9)+(6*0)+(5*0)+(4*1)+(3*8)+(2*9)+(1*3)=112
112 % 10 = 2
So 90018-93-2 is a valid CAS Registry Number.