SHEET /m/hydrocodone · PubChem CID 5284569 · CAS 125-29-1 · REV 2026.07
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Hydrocodone
from sourceC18H21NO3 · 299.4 g/mol
Dihydrocodeinone · Hydroconum · Bekadid · DICO
What is Hydrocodone?
An opioid painkiller, usually combined with paracetamol and sold as Vicodin and Norco. Hydrocodone (C18H21NO3, 299 g/mol) is an opioid dispensed on prescription. from source
CategoryPrescription medicine
Fig. 1 · 2D structure RDKit
SMILES
CN1CC[C@]23[C@@H]4[C@H]1CC5=C2C(=C(C=C5)OC)O[C@H]3C(=O)CC4Where you'll find it
Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.
Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 375 mg/kg · low toxicity
- Species
- rat
- Route
- oral
An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.
Toxicity & hazards
Toxicity · LD50
375 mg/kg · low toxicity · LD50 rat oral from source
2 more reported values
- 86 mg/kgLD50 · other · mouse
- 150 mg/kgLD50 · other · rat
DangerFlammableToxicIrritantHealth hazardEnvironmentalH225, H301, H302, H311, H317, H331, H334, H370, H400, H402, H412from source
Keep roaming
Where Hydrocodone leads
Relatedcomputed
Hydromorphone75% similarBoth carry an ether and a ketone group.Oxycodone55% similarBoth carry an ether and a ketone group.Codeine55% similarBoth carry an ether group.Morphine39% similarBoth carry an ether group.Mesembrine38% similarBoth carry an ether and a ketone group.Dextromethorphan37% similarBoth carry an ether group.