65159-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65159-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,5 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 65159-19:
(7*6)+(6*5)+(5*1)+(4*5)+(3*9)+(2*1)+(1*9)=135
135 % 10 = 5
So 65159-19-5 is a valid CAS Registry Number.