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Molecular Weight of 2-Octenoic acid (C8H14O2)

Identification of 2-Octenoic acid Chemical Compound

2D chemical structure image of 2-Octenoic acid
Chemical Formula C8H14O2
Molecular Weight 142.19556 g/mol
IUPAC Name oct-2-enoic acid
SMILES String CCCCCC=CC(O)=O
InChI InChI=1S/C8H14O2/c1-2-3-4-5-6-7-8(9)10/h6-7H,2-5H2,1H3,(H,9,10)
InChIKey CWMPPVPFLSZGCY-UHFFFAOYSA-N

Molecular Weight Description

The 2-Octenoic acid molecule consists of 14 Hydrogen atom(s), 8 Carbon atom(s), and 2 Oxygen atom(s) - a total of 24 atom(s). The molecular weight of 2-Octenoic acid is determined by the sum of the atomic weights of each constituent element multiplied by the number of atoms, which is calculated to be:

$$ 142.19556 · \frac{g}{mol} $$

The exact term of the above molecular weight is “molar mass”, which is based on the atomic mass of each element. Molecular weight is actually an older term of “relative molar mass” or “molecular mass”, which is a dimensionless quantity equal to the molar mass divided by the molar mass constant defined by 1 g/mol.

Molecular masses are calculated from the standard atomic weights of each nuclide, while molar masses are calculated from the atomic mass of each element. The atomic mass takes into account the isotopic distribution of the element in a given sample.

3D chemical structure image of 2-Octenoic acid
Ball-and-stick model of 2-Octenoic acid

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Additional Information for Identifying 2-Octenoic acid Molecule


  • InChI (IUPAC International Chemical Identifier) information of 2-Octenoic acid

    In addition to the molecular weight information, the structural information of 2-Octenoic acid in a textual expression is available via InChi. The full standard InChI of 2-Octenoic acid is given below:

    InChI=1S/C8H14O2/c1-2-3-4-5-6-7-8(9)10/h6-7H,2-5H2,1H3,(H,9,10)

    It can provide a way to encode the molecular information of 2-Octenoic acid 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 2-Octenoic acid is:

    InChIKey=CWMPPVPFLSZGCY-UHFFFAOYSA-N

    It may allow easier web searches for 2-Octenoic acid. The InChIKey, however, needs to be linked to the full InChI as well in order to get back to the original structure of the 2-Octenoic acid as the full standard InChI cannot be reconstructed from the InChIKey.

  • Other names (synonyms) or registry numbers of 2-Octenoic acid

    There may be different names of the 2-Octenoic acid compound depending on the various situations of industrial applications, which are given below including the registry numbers if available:

    • ANW-23327
    • 2-Octenoic acid, (Z)-
    • heptenecarboxylic acid
    • 2-Octenoic acid

2-Octenoic acid Identification Summary Frequently Asked Questions (FAQs)

What’s the formula of 2-Octenoic acid?
C8H14O2
How many atoms and what are the elements in the 2-Octenoic acid molecule?
24 atom(s) - 14 Hydrogen atom(s), 8 Carbon atom(s), and 2 Oxygen atom(s)
How many chemical bonds and what types of bonds are in the 2-Octenoic acid structure?
23 bond(s) - 9 non-H bond(s), 2 multiple bond(s), 5 rotatable bond(s), 2 double bond(s), 1 carboxylic acid(s) (aliphatic), and 1 hydroxyl group(s)
What’s the molar mass of 2-Octenoic acid?
142.19556 g/mol
What’s the SMILES format of 2-Octenoic acid?
CCCCCC=CC(O)=O
What’s the InChI format of 2-Octenoic acid?
InChI=1S/C8H14O2/c1-2-3-4-5-6-7-8(9)10/h6-7H,2-5H2,1H3,(H,9,10)
What’s the InChIKey string of 2-Octenoic acid?
CWMPPVPFLSZGCY-UHFFFAOYSA-N

37 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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