D♯9 (dominant ninth) / E♭9 (dominant ninth)

5-note dominant 9th on D♯ / E♭D♯, F, G, A♯, C♯.

Press to hear the chord strummed low to high.

A dominant seventh extended with the ninth — funky and full, the sound of a James Brown horn stab.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1D♯root
9Fninth
3Gmajor third
5A♯perfect fifth
♭7C♯flat seventh (dominant)

The formula reads in semitones above the root (D♯): 1, 9, 3, 5, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

132
open position
5fr21334
from fret 5
10fr3142
from fret 10
11fr131214
from fret 11

Ukulele fingerings · 4

123
open position
3fr1312
from fret 3
6fr1213
from fret 6
9fr2314
from fret 9

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other D♯ / E♭ chords

9 (dominant ninth) chords on every root