21079-32-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21079-32-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,7 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 21079-32:
(7*2)+(6*1)+(5*0)+(4*7)+(3*9)+(2*3)+(1*2)=83
83 % 10 = 3
So 21079-32-3 is a valid CAS Registry Number.