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Guitar chord · Dominant 9sus4

C9sus4 chord (C Dominant 9sus4)

7sus4 with a 9th: the 3rd is replaced by the 4th, giving an open, unresolved dominant.

Notes CFGBbD
Formula 1 4 5 ♭7 9
Shapes 3 on this page

C9sus4 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, C.

6th String Root 8 x 8 7 6 x
5th String Root x 3 3 3 3 3
4th String Root x x 10 10 11 10

Interactive chord diagram

C9sus4 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕ ✕ ✕ ✕

Tap any note to hear it.

Scales to play over C9sus4

These scales start on C and contain every note of the chord, so they fit when C9sus4 is the chord of the moment.

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Questions

What notes are in a C9sus4 chord?
C9sus4 is C, F, G, Bb, D: the 1, 4, 5, ♭7, 9 of C.
How do you play C9sus4 on guitar?
6th String Root: 8 x 8 7 6 x; 5th String Root: x 3 3 3 3 3; 4th String Root: x x 10 10 11 10 (low E to high E, x = don't play the string).
What scale goes with C9sus4?
Scales on C that contain every note of C9sus4: C Minor, C Dorian, C Mixolydian, C Bebop Dominant, C Mixolydian b6, C Bebop Dorian.

Dominant 9sus4 chords in every key

More C chords