Redirected from Methylene Blue
Its molecular formula is C16H18ClN3S.
Its CAS number is 61-73-4: its EC number is 200-515-2 .
... b/(2a) from both sides, we get <math>x=\frac{-b}{2a}\pm\frac{\sqrt{b^2-4ac}}{2a}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}.</math> ...