21060-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21060-84-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,6 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21060-84:
(7*2)+(6*1)+(5*0)+(4*6)+(3*0)+(2*8)+(1*4)=64
64 % 10 = 4
So 21060-84-4 is a valid CAS Registry Number.