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Molecular Weight of PETG (C14H20O5S)

Identification of PETG Chemical Compound

2D chemical structure image of PETG
Chemical Formula C14H20O5S
Molecular Weight 300.3706 g/mol
IUPAC Name (2R,3R,4S,5R,6R)-2-(hydroxymethyl)-6-[(2-phenylethyl)sulfanyl]oxane-3,4,5-triol
SMILES String OCC2OC(SCCc1ccccc1)C(O)C(O)C2O
InChI InChI=1S/C14H20O5S/c15-8-10-11(16)12(17)13(18)14(19-10)20-7-6-9-4-2-1-3-5-9/h1-5,10-18H,6-8H2/t10-,11+,12+,13-,14-/m1/s1
InChIKey ZNAMMSOYKPMPGC-MBJXGIAVSA-N

Molecular Weight Description

The PETG molecule consists of 20 Hydrogen atom(s), 14 Carbon atom(s), 5 Oxygen atom(s), and 1 Sulfur atom(s) - a total of 40 atom(s). The molecular weight of PETG is determined by the sum of the atomic weights of each constituent element multiplied by the number of atoms, which is calculated to be:

$$ 300.3706 · \frac{g}{mol} $$

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 PETG
Ball-and-stick model of PETG

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Additional Information for Identifying PETG Molecule


  • InChI (IUPAC International Chemical Identifier) information of PETG

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

    InChI=1S/C14H20O5S/c15-8-10-11(16)12(17)13(18)14(19-10)20-7-6-9-4-2-1-3-5-9/h1-5,10-18H,6-8H2/t10-,11+,12+,13-,14-/m1/s1

    It can provide a way to encode the molecular information of PETG 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 PETG is:

    InChIKey=ZNAMMSOYKPMPGC-MBJXGIAVSA-N

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

  • Other names (synonyms) or registry numbers of PETG

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

    • 2-phenylethyl beta-D-thiogalactopyranoside
    • phenylethyl beta-d-thiogalactoside
    • PETG

PETG Identification Summary Frequently Asked Questions (FAQs)

What’s the formula of PETG?
C14H20O5S
How many atoms and what are the elements in the PETG molecule?
40 atom(s) - 20 Hydrogen atom(s), 14 Carbon atom(s), 5 Oxygen atom(s), and 1 Sulfur atom(s)
How many chemical bonds and what types of bonds are in the PETG structure?
41 bond(s) - 21 non-H bond(s), 6 multiple bond(s), 5 rotatable bond(s), 6 aromatic bond(s), 2 six-membered ring(s), 4 hydroxyl group(s), 1 primary alcohol(s), 3 secondary alcohol(s), 1 ether(s) (aliphatic), and 1 sulfide(s)
What’s the molar mass of PETG?
300.3706 g/mol
What’s the SMILES format of PETG?
OCC2OC(SCCc1ccccc1)C(O)C(O)C2O
What’s the InChI format of PETG?
InChI=1S/C14H20O5S/c15-8-10-11(16)12(17)13(18)14(19-10)20-7-6-9-4-2-1-3-5-9/h1-5,10-18H,6-8H2/t10-,11+,12+,13-,14-/m1/s1
What’s the InChIKey string of PETG?
ZNAMMSOYKPMPGC-MBJXGIAVSA-N

2680 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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