201273-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201273-77-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,2,7 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 201273-77:
(8*2)+(7*0)+(6*1)+(5*2)+(4*7)+(3*3)+(2*7)+(1*7)=90
90 % 10 = 0
So 201273-77-0 is a valid CAS Registry Number.