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Structure of Gentamicin (C21H43N5O7)

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2D chemical structure image of gentamicin
Chemical Formula C21H43N5O7
Molecular Weight 477.59542 g/mol
IUPAC Name 2-{[4,6-diamino-3-({3-amino-6-[1-(methylamino)ethyl]oxan-2-yl}oxy)-2-hydroxycyclohexyl]oxy}-5-methyl-4-(methylamino)oxane-3,5-diol
SMILES String CNC(C)C1CCC(N)C(O1)OC3C(N)CC(N)C(OC2OCC(C)(O)C(NC)C2O)C3O
InChI InChI=1S/C21H43N5O7/c1-9(25-3)13-6-5-10(22)19(31-13)32-16-11(23)7-12(24)17(14(16)27)33-20-15(28)18(26-4)21(2,29)8-30-20/h9-20,25-29H,5-8,22-24H2,1-4H3
InChIKey CEAZRRDELHUEMR-UHFFFAOYSA-N
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Chemical Structure Description

A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. The gentamicin molecule contains a total of 78 bond(s). There are 35 non-H bond(s), 7 rotatable bond(s), 3 six-membered ring(s), 3 primary amine(s) (aliphatic), 2 secondary amine(s) (aliphatic), 3 hydroxyl group(s), 2 secondary alcohol(s), 1 tertiary alcohol(s), and 4 ether(s) (aliphatic). Images of the chemical structure of gentamicin are given below:

2D chemical structure image of gentamicin
2-dimensional (2D) chemical structure image of gentamicin
3D chemical structure image of gentamicin
3-dimensional (3D) chemical structure image of gentamicin

The 2D chemical structure image of gentamicin is also called skeletal formula, which is the standard notation for organic molecules. The carbon atoms in the chemical structure of gentamicin are implied to be located at the corner(s) and hydrogen atoms attached to carbon atoms are not indicated – each carbon atom is considered to be associated with enough hydrogen atoms to provide the carbon atom with four bonds.

The 3D chemical structure image of gentamicin is based on the ball-and-stick model which displays both the three-dimensional position of the atoms and the bonds between them. The radius of the spheres is therefore smaller than the rod lengths in order to provide a clearer view of the atoms and bonds throughout the chemical structure model of gentamicin. Download structure data file (SDF/MOL) file of this compound.


Interactive 3D Visualization

For a better understanding of the chemical structure, an interactive 3D visualization of gentamicin is provided here.

The gentamicin molecule shown in the visualization screen can be rotated interactively by keep clicking and moving the mouse button. Mouse wheel zoom is available as well – the size of the gentamicin molecule can be increased or decreased by scrolling the mouse wheel.

The information of the atoms, bonds, connectivity and coordinates included in the chemical structure of gentamicin can easily be identified by this visualization. By right-clicking the visualization screen, various other options are available including the visualization of van der Waals surface and exporting to an image file.


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Input a chemical compound consisting of C, H, N, O, S, F, Cl, Br, I, Si, P, and/or As atom(s)

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  • Name: ethanol
  • CAS #: 64-17-5
  • Formula: C2H5OH
  • Smiles: CCO
  • InChI: InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3
  • InChIKey: LFQSCWFLJHTTHZ-UHFFFAOYSA-N

Additional Information for Identifying Gentamicin Molecule

  • SMILES (Simplified Molecular-Input Line-Entry System) string of gentamicin

    The SMILES string of gentamicin is CNC(C)C1CCC(N)C(O1)OC3C(N)CC(N)C(OC2OCC(C)(O)C(NC)C2O)C3O, which can be can be imported by most molecule editors for conversion back into two-dimensional drawings or three-dimensional models of the gentamicin.

  • Structure Data File (SDF/MOL File) of gentamicin

    The structure data file (SDF/MOL File) of gentamicin is available for download in the SDF page of gentamicin, which provides the information about the atoms, bonds, connectivity and coordinates of gentamicin. The gentamicin structure data file can be imported to most of the cheminformatics software systems and applications.

  • Chemical formula of gentamicin

    The molecular formula of gentamicin is available in chemical formula page of gentamicin, which identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.

  • Molecular weight of gentamicin

    The molecular weight of gentamicin is available in molecular weight page of gentamicin, which is calculated as the sum of the atomic weights of each constituent element multiplied by the number of atoms of that element in the molecular formula.

  • Other names (synonyms) or registry numbers of gentamicin

    The gentamicin compound may be called differently depending on the various different situations of industrial applications. Below are the list of the other names (synonyms) of gentamicin including the various registry numbers, if available:

    • Diogent Solution 0.3%
    • Diogent Ointment 0.3%
    • Garamycin Cream 0.1%
    • Cidomycin Inj 40mg/ml
    • Cidomycin Inj 10mg/ml
    • Garamycin Ont 0.1%
    • nchembio.274-comp5
    • Gentrasul Liq 3mg/ml
    • Ocugram Ont 3mg/gm
    • Ocugram Liq 3mg/ml
    • 25876-10-2
    • R.O.-gentycin
    • Sandoz Gentamicin
    • Ratio-gentamicin
    • Septopal
    • gentamycine
    • 2-[4,6-diamino-3-[3-amino-6-[1-(methylamino)ethyl]oxan-2-yl]oxy-2-hydroxycyclohexyl]oxy-5-methyl-4-(methylamino)oxane-3,5-diol
    • 2-[4,6-diamino-3-[3-amino-6-(1-methylaminoethyl)oxan-2-yl]oxy-2-hydroxycyclohexyl]oxy-5-methyl-4-methylaminooxane-3,5-diol
    • D08013
    • AR-1F8593
    • Genoptic
    • 4,6-diamino-3-{[3-deoxy-4-c-methyl-3-(methylamino)pentopyranosyl]oxy}-2-hydroxycyclohexyl 2-amino-2,3,4,6,7-pentadeoxy-6-(methylamino)heptopyranoside
    • C21H43N5O7
    • Garamycin Otic Solution
    • Genoptic S.O.P.
    • Gentamicin (BAN)
    • Gentamicin (TN)
    • Genoptic Liquifilm
    • Gentamicin sulphate sterile
    • Gentamcin Sulfate
    • Gentamicin C1
    • 1403-66-3
    • Apogen
    • Gentamicina [INN-Spanish]
    • Gentamycin-creme [German]
    • Gentamicinum [INN-Latin]
    • Gentamicine [INN-French]
    • G-Mycin
    • 2-[4,6-diamino-3-[3-amino-6-[1-(methylamino)ethyl]tetrahydropyran-2-yl]oxy-2-hydroxy-cyclohexoxy]-5-methyl-4-(methylamino)tetrahydropyran-3,5-diol
    • Gentamicin complex consisting of factors gentamicin C1 and C2
    • Gentamicin Sulphate Injection USP-40mg/ml
    • Gentamicin Sulphate Injection USP-10mg/ml
    • PMS-gentamicin Ophthalmic Ointment 0.3%
    • Gentamicin(e) 120mg Liq IV 1.2mg/ml
    • Gentamicin(e) 80mg Liq IV 1.6mg/ml
    • Gentamicin Sulphate 0.3% - Liq Oph
    • PMS-gentamicin Sulfate Oph Dps 0.3%
    • Gentamicin(e) 100mg Liq IV 1mg/ml
    • Gentamicin Sulfate In Sodium Chloride
    • Gentacidin Ophthalmic Solution 3mg/ml
    • Garamycin Ophthalmic Ointment 0.3%
    • (2R,3R,4R,5R)-2-[(1S,2S,3R,4S,6R)-4,6-diamino-3-[(2R,3R,6S)-3-amino-6-[1-(methylamino)ethyl]oxan-2-yl]oxy-2-hydroxycyclohexyl]oxy-5-methyl-4-(methylamino)oxane-3,5-diol
    • (1R,2S,3S,4R,6S)-4,6-diamino-3-{[3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl]oxy}-2-hydroxycyclohexyl (6x)-2-amino-2,3,4,6,7-pentadeoxy-6-(methylamino)-alpha-D-erythro-heptopyranoside
    • PMS-gentamicin Otic Drops 0.3%
    • Garamycin Ophthalmic Drops 0.3%
    • Minims Gentamicin Sulfate 0.3%
    • Garamycin Inj 10mg/ml Pediatric
    • PMS-gentamicin Ointment 1mg/gm
    • GTPL2427
    • Gentrasul Oph Ointment 3mg/gm
    • gentamysinsolutionforbiochemistry
    • Garatec Ophthalmic Dps 5mg/ml
    • Cidomycin Inj Pediatric 10mg
    • PMS-gentamicin Cream 1mg/gm
    • Garamycin Otic Drops 0.3%
    • Gentamicin antibiotic complex
    • Gentacidin Oph Soln 3mg/ml
    • Garamycin Gentamicin Sulfate
    • Alcomicin Oph Sol 3mg/ml
    • Garatec Otic Dps 5mg/ml
    • Gentamicin Injection USP
    • U-Gencin
    • Ocu-Mycin
    • G-Myticin
    • Spectro-Genta
    • Gentak
    • Jenamicin
    • Gentamar
    • Gentafair
    • Gentacidin
    • Bristagen
    • Alcomicin
    • Gentamycin-creme
    • Gentocin
    • Gentamicins
    • Gentamicine
    • Gentamicina
    • Refobacin TM
    • Uromycine
    • Refobacin
    • Garasol
    • Cidomycin
    • Gentamycinum
    • Gentamicinum
    • Gentavet
    • GENTAMYCIN
    • Garamycin
    • Gentacycol
    • gentamicin
    • Garamycin Inj 40mg/ml

Gentamicin Identification Summary Frequently Asked Questions (FAQs)

What’s the chemical formula of gentamicin?
C21H43N5O7
How many atoms and what are the elements included the gentamicin molecule?
76 atom(s) - 43 Hydrogen atom(s), 21 Carbon atom(s), 5 Nitrogen atom(s), and 7 Oxygen atom(s)
How many chemical bonds and what kind of bonds are included the gentamicin structure?
78 bond(s) - 35 non-H bond(s), 7 rotatable bond(s), 3 six-membered ring(s), 3 primary amine(s) (aliphatic), 2 secondary amine(s) (aliphatic), 3 hydroxyl group(s), 2 secondary alcohol(s), 1 tertiary alcohol(s), and 4 ether(s) (aliphatic)
What’s the gentamicin’s molecular weight?
477.59542 g/mol
What’s the SMILES code of gentamicin?
CNC(C)C1CCC(N)C(O1)OC3C(N)CC(N)C(OC2OCC(C)(O)C(NC)C2O)C3O
What’s the InChI string of gentamicin?
InChI=1S/C21H43N5O7/c1-9(25-3)13-6-5-10(22)19(31-13)32-16-11(23)7-12(24)17(14(16)27)33-20-15(28)18(26-4)21(2,29)8-30-20/h9-20,25-29H,5-8,22-24H2,1-4H3
What’s the InChIKey code of gentamicin?
CEAZRRDELHUEMR-UHFFFAOYSA-N