99097-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99097-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,0,9 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99097-63:
(7*9)+(6*9)+(5*0)+(4*9)+(3*7)+(2*6)+(1*3)=189
189 % 10 = 9
So 99097-63-9 is a valid CAS Registry Number.