89909-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89909-38-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,0 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89909-38:
(7*8)+(6*9)+(5*9)+(4*0)+(3*9)+(2*3)+(1*8)=196
196 % 10 = 6
So 89909-38-6 is a valid CAS Registry Number.