90006-89-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90006-89-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,0 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90006-89:
(7*9)+(6*0)+(5*0)+(4*0)+(3*6)+(2*8)+(1*9)=106
106 % 10 = 6
So 90006-89-6 is a valid CAS Registry Number.