21050-00-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21050-00-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,5 and 0 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21050-00:
(7*2)+(6*1)+(5*0)+(4*5)+(3*0)+(2*0)+(1*0)=40
40 % 10 = 0
So 21050-00-0 is a valid CAS Registry Number.