201285-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201285-52-1 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 2 respectively.
Calculate Digit Verification of CAS Registry Number 201285-52:
(8*2)+(7*0)+(6*1)+(5*2)+(4*8)+(3*5)+(2*5)+(1*2)=91
91 % 10 = 1
So 201285-52-1 is a valid CAS Registry Number.