201035-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201035-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,0,3 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 201035-80:
(8*2)+(7*0)+(6*1)+(5*0)+(4*3)+(3*5)+(2*8)+(1*0)=65
65 % 10 = 5
So 201035-80-5 is a valid CAS Registry Number.