21162-24-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21162-24-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,6 and 2 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21162-24:
(7*2)+(6*1)+(5*1)+(4*6)+(3*2)+(2*2)+(1*4)=63
63 % 10 = 3
So 21162-24-3 is a valid CAS Registry Number.