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Formula of Alpha-D-Mannose (C6H12O6)

Identification of Alpha-D-Mannose Chemical Compound

2D chemical structure image of alpha-D-Mannose
Chemical Formula C6H12O6
Molecular Weight 180.15588 g/mol
IUPAC Name (2S,3S,4S,5S,6R)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol
SMILES String OCC1OC(O)C(O)C(O)C1O
InChI InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5+,6+/m1/s1
InChIKey WQZGKKKJIJFFOK-PQMKYFCFSA-N

Chemical Formula Description

The alpha-D-Mannose molecule contains a total of 24 atom(s). There are 12 Hydrogen atom(s), 6 Carbon atom(s), and 6 Oxygen atom(s). A chemical formula of alpha-D-Mannose can therefore be written as:

C6H12O6

The chemical formula of alpha-D-Mannose shown above is based on the molecular formula indicating the numbers of each type of atom in a molecule without structural information, which is different from the empirical formula which provides the numerical proportions of atoms of each type.

The above chemical formula is the basis of stoichiometry in chemical equations, i.e., the calculation of relative quantities of reactants and products in chemical reactions. The law of conservation of mass dictates that the quantity of each element given in the chemical formula does not change in a chemical reaction. Thus, each side of the chemical equation must represent the same quantity of any particular element based on the chemical formula.

3D chemical structure image of alpha-D-Mannose
Ball-and-stick model of alpha-D-Mannose

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Additional Information for Identifying Alpha-D-Mannose Molecule


  • InChI (IUPAC International Chemical Identifier) information of alpha-D-Mannose

    The molecular chemical formulas lack structural information. An alternative textual expression including the structural information is InChI. The full standard InChI of alpha-D-Mannose is:

    InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5+,6+/m1/s1

    It can provide a standard way to encode the molecular information of alpha-D-Mannose to facilitate the search for the compound information in databases and on the web.

    The condensed, 27 character standard InChIKey (hashed version of the full standard InChI) of alpha-D-Mannose is:

    InChIKey=WQZGKKKJIJFFOK-PQMKYFCFSA-N

    The InChIKey may allow easier web searches for alpha-D-Mannose, but it needs to be linked to the full InChI to get back to the original structure of the alpha-D-Mannose since the full standard InChI cannot be reconstructed from the InChIKey.

  • Other names (synonyms) or registry numbers of alpha-D-Mannose

    The alpha-D-Mannose compound may have different names depending on the various different situations of industrial applications. The list of the other names (synonyms) of alpha-D-Mannose including the registry numbers is given below, if available:

    • alpha-D-mannopyranose
    • alpha-D-Man
    • MAN
    • alpha-D-Mannose
    • 29696-75-1
    • (2S,3S,4S,5S,6R)-6-methyloltetrahydropyran-2,3,4,5-tetrol
    • (2S,3S,4S,5S,6R)-6-(hydroxymethyl)tetrahydropyran-2,3,4,5-tetrol

Alpha-D-Mannose Identification Summary Frequently Asked Questions (FAQs)

What’s the chemical formula of alpha-D-Mannose?
C6H12O6
How many atoms and what are they in the alpha-D-Mannose structure?
24 atom(s) - 12 Hydrogen atom(s), 6 Carbon atom(s), and 6 Oxygen atom(s)
How many chemical bonds and what are they in the alpha-D-Mannose structure?
24 bond(s) - 12 non-H bond(s), 1 rotatable bond(s), 1 six-membered ring(s), 5 hydroxyl group(s), 1 primary alcohol(s), 3 secondary alcohol(s), and 1 ether(s) (aliphatic)
What’s the molecular weight of alpha-D-Mannose?
180.15588 g/mol
What’s the SMILES string of alpha-D-Mannose?
OCC1OC(O)C(O)C(O)C1O
What’s the InChI of alpha-D-Mannose?
InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5+,6+/m1/s1
What’s the InChIKey of alpha-D-Mannose?
WQZGKKKJIJFFOK-PQMKYFCFSA-N

1576 The contents of this page can freely be shared if cited as follows:
Source: Chemical Compounds Deep Data Source (CCDDS; https://www.molinstincts.com) based on 41 patented QSQN and QN technology
commercialized into Mol-Instincts database and ChemRTP, ChemEssen, Inc (2024).

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