201858-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201858-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,8,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201858-23:
(8*2)+(7*0)+(6*1)+(5*8)+(4*5)+(3*8)+(2*2)+(1*3)=113
113 % 10 = 3
So 201858-23-3 is a valid CAS Registry Number.