D sharp dominant flat ninth piano chord - D#7b9

The D sharp dominant flat ninth chord is a 5-note chord consisting of the notes D#, F##, A#, C# and E.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as D#7b9.

Interactive piano diagram for the D sharp dominant flat ninth chord

Piano keyboard displaying the D sharp dominant flat ninth chord with the notes G D# Eb A# Bb Fb E C# Db

Reduced chords

Chords that are a subset of D#7b9. These contain less notes but all of them are included in D#7b9.

D sharp dominant flat ninth piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the D#7b9 chord. Feel free to save or share the image as needed.

Piano chord chart for the D sharp dominant flat ninth chord (D#7b9). The notes D#, F##, A#, C# and E are highlighted.