Nortriptyline

from source

C19H21N · 263.4 g/mol

demethylamitriptyline · desmethylamitriptyline · Pamelor · Ateben

What is Nortriptyline?

A tricyclic antidepressant, also used for nerve pain. It is what the body turns amitriptyline into. Nortriptyline (C19H21N, 263 g/mol) is a tricyclic antidepressant dispensed on prescription. from source

CategoryPrescription medicine

Chemical familyAmines Aromatics

LeaderboardsBiggest Deadliest

Fig. 1 · 2D structure RDKit

SMILESCNCCC=C1C2=CC=CC=C2CCC3=CC=CC=C31

Where 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: 387 mg/kg · low toxicity
Species: mouse
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

387 mg/kg · low toxicity · LD50 mouse oral from source

3 more reported values

17 mg/kgLD50 · iv · mouse
22 mg/kgLD50 · iv · rat
70 mg/kgLD50 · other · mouse

WarningIrritantH302from source

Keep roaming

Where Nortriptyline leads

Compare with

Nortriptyline vs Amitriptyline

Sources & methodology

PubChem CID: 4543
Wikidata: Q61387
Structure: PubChem → RDKit
LD50: PubChem
Similar molecules: MoleculeFinder fingerprint similarity
Data refreshed: September 13, 2026

How MoleculeFinder sources and labels its data