53165-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53165-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,1,6 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 53165-90:
(7*5)+(6*3)+(5*1)+(4*6)+(3*5)+(2*9)+(1*0)=115
115 % 10 = 5
So 53165-90-5 is a valid CAS Registry Number.