210909-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210909-00-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,9,0 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 210909-00:
(8*2)+(7*1)+(6*0)+(5*9)+(4*0)+(3*9)+(2*0)+(1*0)=95
95 % 10 = 5
So 210909-00-5 is a valid CAS Registry Number.