51165-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51165-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,6 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 51165-72:
(7*5)+(6*1)+(5*1)+(4*6)+(3*5)+(2*7)+(1*2)=101
101 % 10 = 1
So 51165-72-1 is a valid CAS Registry Number.