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SHEET /m/amoxicillin · PubChem CID 33613 · CAS 26787-78-0 · REV 2026.07

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Amoxicillin

from source

C16H19N3O5S · 365.4 g/mol

amoxil · Amoxi-Tabs · Larotid · Robamox

What is Amoxicillin?

The penicillin antibiotic most likely to be in a child's medicine cupboard, used for ear, chest, throat and dental infections. from source

CategoryPrescription medicine
Chemical familyCarboxylic AcidsAminesAromaticsAmidesPhenols
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Fig. 1 · 2D structure RDKit

SMILESCC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=C(C=C3)O)N)C(=O)O)C

Where you'll find it

Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.

Toxicity & hazards

DangerIrritantHealth hazardH317, H334from source

Keep roaming

Where Amoxicillin leads

Relatedcomputed
Flucloxacillin43% similarBoth carry a carboxylic acid and an amide group.Cefalexin42% similarBoth carry a carboxylic acid, an amide and an amine group.

Compare with

Amoxicillin vs Azithromycin

Sources & methodology

PubChem CID
33613
Wikidata
Q201928
Structure
PubChem → RDKit
Similar molecules
MoleculeFinder fingerprint similarity
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