C44H69NO12
804 g/mol
APIDanger
Tacrolimus
CAS104987-11-3
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Tacrolimus is an immunosuppressive compound used as an active pharmaceutical ingredient. It is primarily supplied for the manufacturing of medications intended to reduce the risk of organ rejection after transplant, and also for topical formulations used in research for certain T cell-mediated skin conditions.
pharmaceutical raw material for immunosuppressive drugscompound for topical research in T cell-mediated skin conditions
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Tacrolimus hydrate
CAS109581-93-3
pharmaceutical raw material
StrongStructure SimilarSimilarity 0.88
Immunomycin
CAS104987-12-4
pharmaceutical raw material
StrongStructure SimilarSimilarity 0.88
Ascomycin
CAS11011-38-4
pharmaceutical raw material
StrongStructure SimilarSimilarity 0.87
Desmethyl Tacrolimus
CAS132172-14-6
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.82
Δ23-fk-506
CAS104987-16-8
pharmaceutical raw material
ReferenceSame Category
4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide
CAS1050477-27-4
pharmaceutical raw material
ReferenceSame Category
Finerenone
CAS1050477-31-0
pharmaceutical raw material
ReferenceSame Category
Dolutegravir
CAS1051375-16-6
pharmaceutical raw material
Safety Reference
Danger
H301Toxic if swallowed
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Tacrolimus (CAS 104987-11-3) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(1R,9S,12S,13R,14S,17R,18E,21S,23S,24R,25S,27R)-1,14-dihydroxy-12-[(E)-1-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]prop-1-en-2-yl]-23,25-dimethoxy-13,19,21,27-tetramethyl-17-prop-2-enyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetrone
InChIKey
QJJXYPPXXYFBGM-LFZNUXCKSA-N
SMILES
C[C@@H]1C[C@@H]([C@@H]2[C@H](C[C@H]([C@@](O2)(C(=O)C(=O)N3CCCC[C@H]3C(=O)O[C@@H]([C@@H]([C@H](CC(=O)[C@@H](/C=C(/C1)\C)CC=C)O)C)/C(=C/[C@@H]4CC[C@H]([C@@H](C4)OC)O)/C)O)C)OC)OC
Synonyms (61)
- K506
- TACRO
- Tacrolimus (INN)
- (-)-FK 506
- Adoport
- Advagraf
- Anhydrous Tacrolimus
- Astagraf XL
- Avagraf
- Capexion
- Envarsus
- Envarsus XR
- FK-506 (Tacrolimus)
- Fujimycin
- Graceptor
- Hecoria
- Modigraf
- Perixis
- Prograf
- Prograf (TN)
- Prograft
- Protopic
- Protopy
- TACROLIMUS MONOHYDRATE
- TACROLIMUS [MART.]
- Tacni
- Tacrolimus (Standard)
- Tacrolimus - Bio-X trade mark
- Tacrolimus Ointment
- Tacrolimus anhydrous
- Tacrus
- Talymus
- Tsukubaenolide
- Vivadex
- tacrolimus
- tacrolimus (fk506)
- tacrolimusum
Sourcing Tacrolimus?
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