Linuron 3D Molecular Model — CAS 330-55-2
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Free educational Linuron model (C9H10Cl2N2O2, CAS 330-55-2) with an engraved element symbol on every atom.
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- Printables
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- Chemistry & Biology
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Linuron (C9H10Cl2N2O2, CAS 330-55-2) — a free educational 3D molecular model for teachers and students, by MolGod.org. Whatever the filament colour, each atom reads clearly thanks to its engraved symbol.
Start with the ring system: Linuron has one aromatic 6-membered ring; in total the model carries 25 bonds (18 single, 1 double and 6 aromatic). How many atoms can the class find? The engraved spheres give 9 C + 10 H + 2 Cl + 2 N + 2 O, so the answer should be 25. This molecule gives students these functional groups to identify: urea linkage (-N-CO-N-) and two C-Cl bonds. It makes aromaticity and delocalised electrons, the carbonyl group (C=O), as well as organohalogen compounds and carbon-halogen bonds easier to see. On paper the molecule offers 1 donor and 2 acceptors for hydrogen bonding (computed); ask students which atoms they expect to take part.
This model is part of the free MolGod.org collection of engraved molecules for education. Teachers: pair it with the MolGod.org record to connect the 3D shape with identifiers and data.
Full record and more free models: https://molgod.org/molecule/330-55-2/?utm_source=printables&utm_medium=referral&utm_campaign=edu-3d-models
Licence & provenance: https://molgod.org/licenses/stl/330-55-2/
Same file on Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Linuron-3D-molecular-model-engraved-CAS-330-55-2.stl
A ball-and-stick model of Linuron 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: 336,820 triangles, closed (watertight) single solid. Coordinates in ångström (STL stores no unit) — scale the model deliberately in your slicer.
Names in other languages: 利谷隆 (zh).
Chemical identity
CAS Registry Number: 330-55-2
Molecular formula: C9H10Cl2N2O2
Molar mass: 249.09 g/mol (exact mass 248.0119330)
IUPAC name: 3-(3,4-dichlorophenyl)-1-methoxy-1-methylurea
MolGod ID: MG_290-797-782-17 (https://molgod.org/id/MG_290-797-782-17)
PubChem CID: 9502 (https://pubchem.ncbi.nlm.nih.gov/compound/9502)
Wikidata: Q421476 (https://www.wikidata.org/wiki/Q421476)
EC number: 206-356-5
ChemSpider ID: 9130
InChIKey: XKJMBINCVNINCA-UHFFFAOYSA-N
SMILES: CN(C(=O)NC1=CC(=C(C=C1)Cl)Cl)OC
Required attribution (CC BY-SA 4.0): "Linuron 3D model by MolGod.org — https://molgod.org/molecule/330-55-2/ — CC BY-SA 4.0"
Licence text: https://creativecommons.org/licenses/by-sa/4.0/