209798-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209798-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,7,9 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 209798-46:
(8*2)+(7*0)+(6*9)+(5*7)+(4*9)+(3*8)+(2*4)+(1*6)=179
179 % 10 = 9
So 209798-46-9 is a valid CAS Registry Number.