Cyclopentylamine 3D Molecular Model — CAS 1003-03-8
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Free educational Cyclopentylamine model (C5H11N, CAS 1003-03-8) with an engraved element symbol on every atom.
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Cyclopentylamine (C5H11N, CAS 1003-03-8) — a free educational 3D molecular model for teachers and students, by MolGod.org. No legend required: the element symbol is engraved on each atom.
Let the group sketch what they see in Cyclopentylamine, namely one 5-membered ring; afterwards they compare the sketch with the 17 bonds on the model (all of them single). A five-minute warm-up: read the symbol on every sphere and write down the totals (5 C + 11 H + 1 N = 17 atoms). Team task: with the model in hand, each group marks the primary amino group (-NH2), then writes down what they found. Topics it supports in class: amines and basicity. For compare-and-contrast work, Methylcyclohexane (CAS 108-87-2) is structurally close to it in this collection.
MolGod.org offers this engraved model free to anyone teaching or learning chemistry. Teachers: pass the model round at the start of the lesson, before showing any diagram.
Full record and more free models: https://molgod.org/molecule/1003-03-8/?utm_source=printables&utm_medium=referral&utm_campaign=edu-3d-models
Licence & provenance: https://molgod.org/licenses/stl/1003-03-8/
Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Cyclopentylamine-3D-molecular-model-engraved-CAS-1003-03-8.stl
A ball-and-stick model of Cyclopentylamine with each element symbol recessed into its atom sphere, generated by MolGod.org from a PubChem-computed 3D conformer (not an experimental crystal structure); atomic coordinates and connectivity are unchanged. STL mesh: 176,554 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer.
Names in other languages: Cyclopentylamin (de); cyklopentyloamina (pl); 环戊胺 (zh).
Chemical identity
CAS Registry Number: 1003-03-8
Molecular formula: C5H11N
Molar mass: 85.15 g/mol (exact mass 85.089149355)
IUPAC name: cyclopentanamine
MolGod ID: MG_707-457-480-74 (https://molgod.org/id/MG_707-457-480-74)
PubChem CID: 2906 (https://pubchem.ncbi.nlm.nih.gov/compound/2906)
Wikidata: Q8457765 (https://www.wikidata.org/wiki/Q8457765)
EC number: 213-697-3
ChemSpider ID: 2803
InChIKey: NISGSNTVMOOSJQ-UHFFFAOYSA-N
SMILES: C1CCC(C1)N
Required attribution (CC BY-SA 4.0): "Cyclopentylamine 3D model by MolGod.org — https://molgod.org/molecule/1003-03-8/ — CC BY-SA 4.0"
Licence text: https://creativecommons.org/licenses/by-sa/4.0/