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Allose

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Allose[1]
Stereo structural formula of (6R)-allopyranose
Names
Preferred IUPAC name
Allose
Systematic IUPAC name
(2R,3R,4R)-2,3,4,5,6-Pentahydroxyhexanal
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
  • InChI=1S/C6H12O6/c7-1-3(9)5(11)6(12)4(10)2-8/h1,3-6,8-12H,2H2/t3-,4?,5-,6+/m0/s1
    Key: GZCGUPFRVQAUEE-OBOOZECYSA-N
  • OCC(O)[C@@H](O)[C@@H](O)[C@@H](O)C=O
Properties
C6H12O6
Molar mass 180.156 g·mol−1
Melting point 128 °C (262 °F; 401 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Allose is an aldohexose sugar. It is a rare monosaccharide that has been isolated from the leaves of the African shrub Protea rubropilosa. It is soluble in water and practically insoluble in methanol.

Allose is a C-3 epimer of glucose.

References

  1. ^ The Merck Index: An Encyclopedia of Chemicals, Drugs, and Biologicals (11th ed.), Merck, 1989, ISBN 091191028X