51995-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51995-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,9,9 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51995-91:
(7*5)+(6*1)+(5*9)+(4*9)+(3*5)+(2*9)+(1*1)=156
156 % 10 = 6
So 51995-91-6 is a valid CAS Registry Number.