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Periodic Table/Compounds/citrate

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

citrate

C₆H₅O₇-₃·189.100 g/mol·CID 31348

IUPAC: 2-hydroxypropane-1,2,3-tricarboxylate

Also known as: 126-44-3, Citrate Ion, DTXSID30155037, citrate salt, RefChem:577453 (+14 more)

2D structure of citrate

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

189.100g/mol

Exact Mass

189.003527Da

Monoisotopic Mass

189.003527Da

XLogP

0.2

Polar Surface Area

141.0Ų

Complexity

211

Formal Charge

-3

H-Bond Donors

1

H-Bond Acceptors

7

Rotatable Bonds

2

Heavy Atoms

13

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 189.1 g/mol
MW ≤ 500
✓ 0.2
LogP ≤ 5
✓ 1
H-bond donors ≤ 5
✓ 7
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

Chemical IdentifiersSMILES · InChI

InChI

InChI=1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)/p-3

Isomers8 compounds with formula C₆H₅O₇-₃

2D structure of 1-hydroxypropane-1,2,3-tricarboxylate

1-hydroxypropane-1,2,3-tricarboxylate

CID 5460172 · 189.1 g/mol

2D structure of (1R,2S)-1-hydroxypropane-1,2,3-tricarboxylate

(1R,2S)-1-hydroxypropane-1,2,3-tricarboxylate

CID 5459771 · 189.1 g/mol

2D structure of 2-methyl-6-oxopyran-4-olate

2-methyl-6-oxopyran-4-olate

CID 25201324 · 125.1 g/mol

2D structure of 2-(2-oxo-3H-furan-5-yl)acetate

2-(2-oxo-3H-furan-5-yl)acetate

CID 23615198 · 141.1 g/mol

2D structure of 2-[(1S)-1,2-dihydroxyethyl]-4,5-dioxofuran-3-olate

2-[(1S)-1,2-dihydroxyethyl]-4,5-dioxofuran-3-olate

CID 44123501 · 173.1 g/mol

2D structure of 2-(5,6-dioxo-1,4-dioxan-2-yl)-2-hydroxyacetate

2-(5,6-dioxo-1,4-dioxan-2-yl)-2-hydroxyacetate

CID 90658084 · 189.1 g/mol

2D structure of 3-(hydroxymethyl)-5,6-dioxo-1,4-dioxane-2-carboxylate

3-(hydroxymethyl)-5,6-dioxo-1,4-dioxane-2-carboxylate

CID 90659383 · 189.1 g/mol

2D structure of 2-[(2S)-5-oxo-2H-furan-2-yl]acetate

2-[(2S)-5-oxo-2H-furan-2-yl]acetate

CID 20846022 · 141.1 g/mol

External Resources

PubChem ↗Wikipedia ↗