101566-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101566-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,5,6 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 101566-91:
(8*1)+(7*0)+(6*1)+(5*5)+(4*6)+(3*6)+(2*9)+(1*1)=100
100 % 10 = 0
So 101566-91-0 is a valid CAS Registry Number.