2201-05-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2201-05-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,0 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2201-05:
(6*2)+(5*2)+(4*0)+(3*1)+(2*0)+(1*5)=30
30 % 10 = 0
So 2201-05-0 is a valid CAS Registry Number.