209726-63-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 209726-63-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,7,2 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 209726-63:
(8*2)+(7*0)+(6*9)+(5*7)+(4*2)+(3*6)+(2*6)+(1*3)=146
146 % 10 = 6
So 209726-63-6 is a valid CAS Registry Number.