Threose

Threose^[1]

IUPAC name	(2S,3R)-2,3,4-Trihydroxybutanal
Other names	D-Threose D-Threotetrose
Identifiers
CAS number	[95-43-2]
PubChem	439665
SMILES	OC[C@@H](O)[C@H](O)C=O
Properties
Molecular formula	C₄H₈O₄
Molar mass	120.10 g/mol
Appearance	Syrup
Solubility in water	Very soluble
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Threose is a tetrose carbohydrate with chemical formula C₄H₈O₄. It has one aldehyde group and so is part of the aldose family. It exists in both D and L stereoisomers.

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v • d • e Types of Carbohydrates

General:	Aldose \| Ketose \| Pyranose \| Furanose

Geometry	Triose \| Tetrose \| Pentose \| Hexose \| Heptose \| Cyclohexane conformation \| Anomer \| Mutarotation

Small/Large	Glyceraldehyde \| Dihydroxyacetone \| Erythrose \| Threose \| Erythrulose \| Sedoheptulose

Trioses	Ketotriose (Dihydroxyacetone) \| Aldotriose (Glyceraldehyde)

Tetroses	Erythrulose \| Erythrose \| Threose

Pentoses	Arabinose \| Deoxyribose \| Lyxose \| Ribose \| Ribulose \| Xylose \| Xylulose

Hexoses	Glucose \| Galactose \| Mannose \| Gulose \| Idose \| Talose \| Allose \| Altrose \| Fructose \| Sorbose \| Tagatose \| Psicose \| Fucose \| Fuculose \| Rhamnose

Disaccharides	Sucrose \| Lactose \| Trehalose \| Maltose

Polymers	Glycogen \| Starch (Amylose \| Amylopectin) \| Cellulose \| Chitin \| Stachyose \| Inulin \| Dextrin

Glycosaminoglycans	Heparin \| Chondroitin sulfate \| Hyaluronan \| Heparan sulfate \| Dermatan sulfate \| Keratan sulfate

Aminoglycosides	Kanamycin \| Streptomycin \| Tobramycin \| Neomycin \| Paromomycin \| Apramycin \| Gentamicin \| Netilmicin \| Amikacin

Major families of biochemicals Peptides \| Amino acids \| Nucleic acids \| Carbohydrates \| Nucleotide sugars \| Lipids \| Terpenes \| Carotenoids \| Tetrapyrroles \| Enzyme cofactors \| Steroids \| Flavonoids \| Alkaloids \| Polyketides \| Glycosides