211573-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211573-24-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,5,7 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 211573-24:
(8*2)+(7*1)+(6*1)+(5*5)+(4*7)+(3*3)+(2*2)+(1*4)=99
99 % 10 = 9
So 211573-24-9 is a valid CAS Registry Number.