# What are the chiral centers in ephedrine?

The chiral centres are $\text{C} - 1$ and $\text{C} - 2$ of the propanol chain.
The IUPAC name of ephedrine is $\left(1 R , 2 S\right) \text{-2-(methylamino)-1-phenylpropan-1-ol}$.
• $\text{C} - 1$, the carbon bearing the $\text{OH}$ group
• $\text{C} - 2$, the carbon bearing the ${\text{NHCH}}_{3}$ group