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Encyclopedia > Rhamnose
Rhamnose

beta-L-rhamnose
Chemical name (2R, 3R,4R,5R,6S)-6-methyloxane-2,3,4,5-tetrol
Chemical formula C6H12O5
Molecular mass 164.16 g/mol
CAS number [10485-94-6]
Melting point 91-93 °C (monohydrate)
SMILES O[C@H]1C(C)O[C@@H]
(O)[C@@H](O)[C@@H]1O
Disclaimer and references

Rhamnose is a naturally-occurring sugar. It can be classified either as a methyl-pentose or a 6-deoxy-hexose. Rhamnose occurs in nature in its L-form as L-rhamnose (6-deoxy-L-mannose). This is unusual since most of the naturally-occurring sugars are in D-form. Exceptions are the methyl pentoses L-fucose and L-rhamnose and the pentose L-arabinose. Image File history File links No higher resolution available. ... IUPAC nomenclature is a system of naming chemical compounds and of describing the science of chemistry in general. ... This article does not cite its references or sources. ... The molecular mass (abbreviated MM) of a substance, formerly also called molecular weight and abbreviated as MW, is the mass of one molecule of that substance, relative to the unified atomic mass unit u (equal to 1/12 the mass of one atom of carbon-12). ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... The melting point of a crystalline solid is the temperature at which it changes state from solid to liquid. ... The simplified molecular input line entry specification or SMILES is a specification for unambiguously describing the structure of chemical molecules using short ASCII strings. ... Magnification of grains of sugar, showing their monoclinic hemihedral crystalline structure. ... A pentose is a monosaccharide with five carbon atoms. ... A hexose is a monosaccharide with six carbon atoms having the chemical formula C6H12O6. ... In chemistry, two stereoisomers are said to be enantiomers if they are mirror images of each other. ... Mannose is a sugar, one of the hexose series of carbohydrates. ... In chemistry, two stereoisomers are said to be enantiomers if they are mirror images of each other. ... Fucose is a hexose sugar with the chemical formula C6H12O5. ... Fischer projection of L-arabinose The chemical structure of D-arabinofuranose Arabinose is an aldopentose — a monosaccharide containing five carbon atoms, and including an aldehyde (CHO) functional group. ...


L-Rhamnose can be isolated from Buckthorn (Rhamnus) and poison sumac. It is also found as a glycoside in a variety of other plants. Species See text The Buckthorns Rhamnus are a genus (or two genera, if Frangula is treated as distinct) of about 100 species of shrubs or small trees from 1-10 m tall (rarely to 15 m), in the buckthorn family Rhamnaceae. ... Binomial name Toxicodendron vernix Kuntze Poison Sumac (Toxicodendron vernix or Rhus vernix) is a woody shrub growing to 3 m tall. ... A glycoside is a molecule where a sugar group is bonded through its anomeric carbon to a nonsugar group by either an oxygen or a nitrogen atom. ...


References

  • Journal of General Virology
  • Merck Index, 11th Edition, 8171.

External links

  • Links to external chemical sources

 
 

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