Erythrose

Erythrose
	; D-Erythrose
	; L-Erythrose
Names
	IUPAC names (2R,3R)-2,3,4-Trihydroxybutanal (D); (2S,3S)-2,3,4-Trihydroxybutanal (L)
Identifiers
CAS Number	583-50-6 (D) ; 533-49-3 (L) ;
3D model (JSmol)	(D): Interactive image; (L): Interactive image;
Beilstein Reference	5805561
ChEBI	CHEBI:27904 ;
ChemSpider	84990 (D) ;
ECHA InfoCard	100.008.643
EC Number	209-505-2;
KEGG	C01796;
PubChem CID	94176 (D);
UNII	X3EI0WE8Q4 (D) ; 96DH71781X (L) ;
	InChI InChI=1S/C4H8O4/c5-1-3(7)4(8)2-6/h1,3-4,6-8H,2H2/t3-,4+/m0/s1 Key: YTBSYETUWUMLBZ-IUYQGCFVSA-N ; InChI=1/C4H8O4/c5-1-3(7)4(8)2-6/h1,3-4,6-8H,2H2/t3-,4+/m0/s1 Key: YTBSYETUWUMLBZ-IUYQGCFVBI;
	SMILES (D): OC[C@@H](O)[C@@H](O)C=O; (L): OC[C@H](O)[C@H](O)C=O;
Properties
Chemical formula	C4H8O4
Molar mass	120.104 g·mol−1
Appearance	Light yellow syrup
Solubility in water	highly soluble
Hazards
NFPA 704 (fire diamond)	1 1 0
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Erythrose is a tetrose saccharide with the chemical formula C₄H₈O₄. It has one aldehyde group, and is thus part of the aldose family. The natural isomer is D-erythrose; it is a diastereomer of D-threose.

Erythrose was first isolated in 1849 from rhubarb by the French pharmacist Louis Feux Joseph Garot (1798-1869), and was named as such because of its red hue in the presence of alkali metals (ἐρυθρός, "red").

Erythrose 4-phosphate is an intermediate in the pentose phosphate pathway and the Calvin cycle.

Oxidative bacteria can be made to use erythrose as its sole energy source.

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