SHEET /m/clonidine · PubChem CID 2803 · CAS 4205-90-7 · REV 2026.07
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Clonidine
from sourceC9H9Cl2N3 · 230.09 g/mol
Catapres-TTS · Catapresan · Catapressan · Chlornidinum
What is Clonidine?
An alpha-2 agonist used for high blood pressure, ADHD, and withdrawal from opioids and nicotine. Clonidine (C9H9Cl2N3, 230 g/mol) is an alpha-2 agonist dispensed on prescription. from source
CategoryPrescription medicine
Fig. 1 · 2D structure RDKit
SMILES
C1CN=C(N1)NC2=C(C=CC=C2Cl)ClWhere 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
- 126 mg/kg · moderately toxic
- 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
126 mg/kg · moderately toxic · LD50 rat oral from source
5 more reported values
- 30 mg/kgLD50 · oral · dog
- 150 mg/kgLD50 · oral · rat
- 29 mg/kgLD50 · iv · rat
- 77 mg/kgLD50 · other · rat
- 100 mg/kgLD50 · other · rat
DangerToxicH301, H310, H330from source
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Where Clonidine leads
Relatedcomputed