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Structure & Deep Data of Creatine (C4H9N3O2)

Identification of Creatine Chemical Compound

2D chemical structure image of creatine
Chemical Formula C4H9N3O2
Molecular Weight 131.13316 g/mol
IUPAC Name 2-(1-methylcarbamimidamido)acetic acid
SMILES String CN(CC(O)=O)C(N)=N
InChI InChI=1S/C4H9N3O2/c1-7(4(5)6)2-3(8)9/h2H2,1H3,(H3,5,6)(H,8,9)
InChIKey CVSVTCORWBXHQV-UHFFFAOYSA-N

Chemical Structure Description

A chemical structure of a molecule includes the arrangement of atoms and the chemical bonds that hold the atoms together. The creatine molecule contains a total of 17 bond(s). There are 8 non-H bond(s), 2 multiple bond(s), 3 rotatable bond(s), 2 double bond(s), 1 carboxylic acid(s) (aliphatic), 1 guanidine derivative(s), 1 primary amine(s) (aliphatic), 1 tertiary amine(s) (aliphatic), and 1 hydroxyl group(s). Images of the chemical structure of creatine are given below:

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

The 2D chemical structure image of creatine is also called skeletal formula, which is the standard notation for organic molecules. The carbon atoms in the chemical structure of creatine 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 creatine 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 creatine. Download structure data file (SDF/MOL) file of this compound.


chemical table area

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Interactive 3D Visualization

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

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

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Additional Information for Identifying Creatine Molecule

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

    The SMILES string of creatine is CN(CC(O)=O)C(N)=N, which can be can be imported by most molecule editors for conversion back into two-dimensional drawings or three-dimensional models of the creatine.

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

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

  • Chemical formula of creatine

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

  • Molecular weight of creatine

    The molecular weight of creatine is available in molecular weight page of creatine, 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 creatine

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

    • F8880-7830
    • I14-7700
    • [[Amino(imino)methyl](methyl)amino]acetic acid #
    • H6237
    • Creatine, anhydrous, >=99.0% (NT)
    • RTR-019943
    • N-[amino(imino)methyl]-N-methylglycine
    • BDBM50357229
    • MU72812GK0
    • HMDB00064
    • C4H11N3O3
    • 2-(Methylguanidino)ethanoic acid
    • GTPL4496
    • Creatine, hydrate (Salt/Mix)
    • (alpha-Methylguanido)acetate
    • bmse000999
    • bmse000950
    • bmse000078
    • Methylguanidoacetate
    • [[Amino(imino)methyl](methyl)amino]acetic acid
    • [[Amino(imino)methyl](methyl)amino]acetate
    • ((amino(imino)methyl)(methyl)amino)acetate
    • 2-(amidinomethylamino)acetic acid
    • W-105270
    • ((amino(imino)methyl)(methyl)amino)acetic acid
    • 2-[carbamimidoyl(methyl)amino]acetic acid
    • N-(Aminoiminomethyl)-N-methyl-glycine
    • MFCD00004282
    • N-[(E)-AMINO(IMINO)METHYL]-N-METHYLGLYCINE
    • (N-methylcarbamimidamido)acetic acid
    • (.alpha.-Methylguanido)acetic acid
    • N-(aminoiminomethyl)-N-methylglycine
    • Cosmocair C 100
    • Creatine, anhydrous
    • alpha-Methylguanidino acetic acid
    • N-carbamimidoyl-N-methylglycine
    • Phosphagen
    • Creatine (8CI)
    • Creatine anhydrous
    • Methylguanidoacetic acid
    • Glycine, N-(aminoiminomethyl)-N-methyl-
    • 2-(1-Methylguanidino)acetic acid
    • Pyrolysate
    • (alpha-Methylguanido)acetic acid
    • Creatine, hydrate
    • methylglycocyamine
    • N-amidinosarcosine
    • N-methyl-N-guanylglycine
    • Krebiozon
    • Kreatin
    • Creatin
    • 57-00-1
    • creatine
    • (a-Methylguanido)acetic acid

Creatine Identification Summary Frequently Asked Questions (FAQs)

What’s the chemical formula of creatine?
C4H9N3O2
How many atoms and what are the elements included the creatine molecule?
18 atom(s) - 9 Hydrogen atom(s), 4 Carbon atom(s), 3 Nitrogen atom(s), and 2 Oxygen atom(s)
How many chemical bonds and what kind of bonds are included the creatine structure?
17 bond(s) - 8 non-H bond(s), 2 multiple bond(s), 3 rotatable bond(s), 2 double bond(s), 1 carboxylic acid(s) (aliphatic), 1 guanidine derivative(s), 1 primary amine(s) (aliphatic), 1 tertiary amine(s) (aliphatic), and 1 hydroxyl group(s)
What’s the creatine’s molecular weight?
131.13316 g/mol
What’s the SMILES code of creatine?
CN(CC(O)=O)C(N)=N
What’s the InChI string of creatine?
InChI=1S/C4H9N3O2/c1-7(4(5)6)2-3(8)9/h2H2,1H3,(H3,5,6)(H,8,9)
What’s the InChIKey code of creatine?
CVSVTCORWBXHQV-UHFFFAOYSA-N

9171 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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