N-Acetyl-L-Cysteine 3D Model — CAS 616-91-1

N-Acetyl-L-Cysteine (C5H9NO3S, CAS 616-91-1) — a free educational 3D molecular model for teachers and students, by MolGod.org. Each atom is labelled with its own engraved element symbol: no colour chart needed. An acyclic molecule to start with: N-Acetyl-L-Cysteine joins 19 atoms through 18 bonds (16 single and 2 double), and students will not find a ring. Use the engraved letters like a register: call out each element and tick it off until the class reaches 5 C + 9 H + 1 N + 3 O + 1 S (19 atoms altogether). Before any theory, let students hunt on the model for the carboxylic acid group (-COOH) and the amide group (-CO-N<). Full record and more free models: https://molgod.org/molecule/616-91-1/?utm_source=sketchfab&utm_medium=referral&utm_campaign=edu-3d-models Licence & provenance: https://molgod.org/licenses/stl/616-91-1/ MolGod ID MG_897-684-221-48 · PubChem CID 12035 Required attribution (CC BY-SA 4.0): "N-Acetyl-L-Cysteine 3D model by MolGod.org — https://molgod.org/molecule/616-91-1/ — CC BY-SA 4.0"