201597-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201597-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,5,9 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 201597-93:
(8*2)+(7*0)+(6*1)+(5*5)+(4*9)+(3*7)+(2*9)+(1*3)=125
125 % 10 = 5
So 201597-93-5 is a valid CAS Registry Number.