210291-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 210291-07-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,0,2,9 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 210291-07:
(8*2)+(7*1)+(6*0)+(5*2)+(4*9)+(3*1)+(2*0)+(1*7)=79
79 % 10 = 9
So 210291-07-9 is a valid CAS Registry Number.