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SHEET /m/tacrolimus · PubChem CID 445643 · CAS 104987-11-3 · REV 2026.07

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Tacrolimus

from source

C44H69NO12 · 804 g/mol

fujimycin · Advagraf · Modigraf · Prograf

What is Tacrolimus?

An immunosuppressant from a Japanese soil bacterium, used to stop organ rejection after transplant and as an eczema ointment. from source

LeaderboardsBiggestDeadliest

Fig. 1 · 2D structure RDKit

SMILESC[C@@H]1C[C@@H]([C@@H]2[C@H](C[C@H]([C@@](O2)(C(…176 characters

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
134 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

134 mg/kg · moderately toxic · LD50 rat oral from source

1 more reported value
  • 23.6 mg/kgLD50 · iv · rat
DangerToxicHealth hazardH301, H361, H372from source

Sources & methodology

PubChem CID
445643
Wikidata
Q411648
Structure
PubChem → RDKit
LD50
PubChem
Data refreshed

How MoleculeFinder sources and labels its data