Warfarin 3D Molecular Model — CAS 81-81-2

Warfarin (C19H16O4, CAS 81-81-2) — 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. In Warfarin the ring system sets the overall shape: three 6-membered rings, with one pair of rings fused along a shared edge, two of them aromatic. Altogether 41 bonds hold the model together (27 single, 3 double and 11 aromatic, drawn in Kekulé form). Counting task: 19 C + 16 H + 4 O gives 39 engr…

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