1146565-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1146565-91-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,6,5,6 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1146565-91:
(9*1)+(8*1)+(7*4)+(6*6)+(5*5)+(4*6)+(3*5)+(2*9)+(1*1)=164
164 % 10 = 4
So 1146565-91-4 is a valid CAS Registry Number.