201539-76-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 201539-76-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,5,3 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 201539-76:
(8*2)+(7*0)+(6*1)+(5*5)+(4*3)+(3*9)+(2*7)+(1*6)=106
106 % 10 = 6
So 201539-76-6 is a valid CAS Registry Number.