204126-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 204126-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,1,2 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 204126-52:
(8*2)+(7*0)+(6*4)+(5*1)+(4*2)+(3*6)+(2*5)+(1*2)=83
83 % 10 = 3
So 204126-52-3 is a valid CAS Registry Number.