201285-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201285-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,8 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 201285-50:
(8*2)+(7*0)+(6*1)+(5*2)+(4*8)+(3*5)+(2*5)+(1*0)=89
89 % 10 = 9
So 201285-50-9 is a valid CAS Registry Number.