Octadecanamide, N-octadecyl-

CAS 13276-08-9  ·  C36H73NO  ·  MW 536.0 g/mol

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3D model Octadecanamide, N-octadecyl-, CAS 13276-08-9, molecular formula C36H73NO, molar mass 536.0 g/mol

Model views

  • Octadecanamide, N-octadecyl- (CAS 13276-08-9) – ball-and-stick 3D model, MolGod Viewer
    ball-and-stick 3D model
  • Octadecanamide, N-octadecyl- (CAS 13276-08-9) – skeletal 3D model, MolGod Viewer
    skeletal 3D model
  • Octadecanamide, N-octadecyl- (CAS 13276-08-9) – space-filling 3D model, MolGod Viewer
    space-filling 3D model
  • Octadecanamide, N-octadecyl- (CAS 13276-08-9) – 2D structure, MolGod Viewer
    2D structure

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About Octadecanamide, N-octadecyl-

Octadecanamide, N-octadecyl- is a chemical compound registered under number CAS 13276-08-9, with the molecular formula C36H73NO, and a molar mass of 536.0 g/mol.

The molecule contains 111 atoms connected by 110 chemical bonds. The full systematic IUPAC name of this compound is N-octadecyloctadecanamide. The interactive 3D model above lets you view the spatial arrangement of the atoms — you can rotate it with the mouse, zoom with the scroll wheel, and switch between skeletal / Ball & Stick / Space Fill visualization modes.

In terms of physicochemical properties, the partition coefficient logP = 16.8 (positive value, a lipophilic compound), polar surface area PSA = 29.1 Ų, 1 donors and 1 hydrogen bond acceptors. These parameters are key when assessing bioavailability and interaction with biomolecules.

Chemical data for this compound comes from PubChem (NIH NLM NCBI), one of the world's largest chemical databases. All information is updated automatically and enriched with GHS hazard statement translations compliant with the CLP Regulation (EC 1272/2008). The widget above may be used for educational, research and commercial purposes.

Physicochemical properties
Molecular formulaC36H73NO
Molar mass536.0 g/mol
IUPACN-octadecyloctadecanamide
SMILESCCCCCCCCCCCCCCCCCCNC(=O)CCCCCCCCCCCCCCCCC
InChIKeyDJWFNQUDPJTSAD-UHFFFAOYSA-N
logP (XLogP3)16.8
PSA29.1 Ų
HBD / HBA1 / 1
PubChem CIDCID 83292 ↗
Scientific literature

Brak articles naukowych dla CAS 13276-08-9 w PubMed / OpenAlex / Semantic Scholar.

Synonyms
N-octadecyloctadecanamide · Octadecanamide, N-octadecyl- · 13276-08-9 · N-Octadecylstearamide · Stearyl stearamide · EINECS 236-276-6 · EC 236-276-6 · RefChem:855526 · DTXCID3034111 · 236-276-6 · Kemamide S 180 · STEARYLSTEARAMIDE · n-stearylstearic acid amide · SCHEMBL80650 · K483RK4UV3
Data sources
Related molecules
📜 License & provenancePREDICTED MODEL · NOT VERIFIEDMolGod_License_1
PREDICTED MODEL — NOT VERIFIED
computed by MolGod Scientific · experimental feature (beta) · may contain errors

No source 3-D conformer was available to MolGod for this substance. MolGod Scientific computed this geometry from the structural formula with RDKit 2026.03.6 (ETKDGv3 conformer generation, MMFF94 force-field optimisation; lowest-energy converged conformer of a fixed-seed set). It is not a measured structure, it does not come from PubChem, and it has not been compared with experimental data. It shows one possible conformation.

Methods and references
  1. RDKit: Open-source cheminformatics, version 2026.03.6. Zenodo. doi:10.5281/zenodo.22140358 (all versions: doi:10.5281/zenodo.591637)
  2. Riniker S, Landrum GA. Better Informed Distance Geometry: Using What We Know To Improve Conformation Generation. J. Chem. Inf. Model. 2015, 55, 2562-2574. doi:10.1021/acs.jcim.5b00654
  3. Wang S, Witek J, Landrum GA, Riniker S. Improving Conformer Generation for Small Rings and Macrocycles Based on Distance Geometry and Experimental Torsional-Angle Preferences. J. Chem. Inf. Model. 2020, 60, 2044-2058. doi:10.1021/acs.jcim.0c00025
  4. Halgren TA. Merck molecular force field. I. Basis, form, scope, parameterization, and performance of MMFF94. J. Comput. Chem. 1996, 17, 490-519. doi:10.1002/(SICI)1096-987X(199604)17:5/6<490::AID-JCC1>3.0.CO;2-P
  5. Tosco P, Stiefl N, Landrum G. Bringing the MMFF force field to the RDKit: implementation and validation. J. Cheminform. 2014, 6, 37. doi:10.1186/s13321-014-0037-3
  6. Heller SR, McNaught A, Pletnev I, Stein S, Tchekhovskoi D. InChI, the IUPAC International Chemical Identifier. J. Cheminform. 2015, 7, 23. doi:10.1186/s13321-015-0068-4
  7. Kim S, Chen J, Cheng T, et al. PubChem 2025 update. Nucleic Acids Res. 2025, 53, D1516-D1525. doi:10.1093/nar/gkae1059 Compound record: https://pubchem.ncbi.nlm.nih.gov/compound/83292
  8. Bolton EE, Kim S, Bryant SH. PubChem3D: Conformer generation. J. Cheminform. 2011, 3, 4. doi:10.1186/1758-2946-3-4 (cited for contrast: no source 3-D conformer was available to MolGod for this record)
Octadecanamide, N-octadecyl- (CAS 13276-08-9), C36H73NO - 3D ball-and-stick molecular model, engraved element symbols (C H N O), MolGod STL previewDownload image

MG-STL-13276-08-9-ENGRAVED · 1,179,142 △ · 56 MB · SHA-256 1975a809a4668abe

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Octadecanamide, N-octadecyl- (CAS 13276-08-9), C36H73NO - 3D ball-and-stick molecular model, MolGod STL previewDownload image

MG-STL-13276-08-9-NORMAL · 46,176 △ · 2 MB · SHA-256 63b71f55adf38442

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Model
Octadecanamide, N-octadecyl- · 13276-08-9
InChIKey
DJWFNQUDPJTSAD-UHFFFAOYSA-N
License
CC BY-SA 4.0 International (source rights undetermined — not yet granted)
Attribution
MolGod Scientific — Octadecanamide, N-octadecyl- (CAS 13276-08-9)
License & provenance record
Octadecanamide, N-octadecyl- (CAS 13276-08-9) →
MolGod molecule record
Octadecanamide, N-octadecyl- →
Source data
PubChem CID 83292 ↗
Model information
STL generated by MolGod · MolGod STL Exporter build 48804cd20b0d · generated 2026-10-14
SHA-256 (STL)
63b71f55adf38442c8c47359a3c8a2f71fef33bcbe0f6a5236092475579789b0
MD5 (STL)
6ec21fd27b7d345aea1e882681615448
Model identifier
MG-STL-13276-08-9
Transformation
MolGod Scientific ball-and-stick mesh
Changes
PREDICTED geometry computed by MolGod Scientific (RDKit), NOT verified; rendered as a triangulated mesh.
Wikimedia Commons
not published yet

This license applies to the MolGod-created STL mesh, not automatically to third-party source material.

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