Tofacitinib (CP-690550) Citrate - Moligand™,≥99% , Janus Kinase (JAK) inhibitor, CAS No.540737-29-9, Janus Kinase (JAK) inhibitor

CAS: 540737-29-9 Cat. No.: E129454 Molecular Weight: 504.49 EC Number: 638-826-4

GRADE & PURITY Moligand™, ≥99%

Synonyms

D09783 | Xeljanz | 3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile 2-hydroxypropane-1,2,3-tricarboxylate | CP-690550 Citrate (Tofacitinib Citrate) | UNII-O1FF4DIV0D | 3-((3R,4R)-4-Methyl-3-(methyl(7H

Storage

Store at 2-8°C,Protected from light

Shipped In

Wet ice

Overview

Tofacitinib (CP-690550) Citrate is a novel inhibitor of JAK3 with IC50 of 1 nM, 20- to 100-fold less potent against JAK2 and JAK1.
A selective JAK3 inhibitor

Specifications

Synonyms

D09783 | Xeljanz | 3-((3R, 4R)-4-methyl-3-(methyl(7H-pyrrolo[2, 3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile 2-hydroxypropane-1, 2, 3-tricarboxylate | CP-690550 Citrate (Tofacitinib Citrate) | UNII-O1FF4DIV0D | 3-((3R, 4R)-4-Methyl-3-(methyl(7H

Specifications & Purity

Moligand™, ≥99%

Biochemical and Physiological Mechanisms

Tofacitinib is a potent inhibitor of JAK3 (Janus kinase 3) with some JAK1 inhibitory activity as well. JAK3 blocks downstream STAT signaling resulting in potent inhibition of inflammatory cytokines with resultant immunosuppressive and anti-inflammatory ac

Legal Information

Sold for only research purposes

Storage

Store at 2-8°C, Protected from light

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Grade

Moligand™

Action Type

INHIBITOR

Mechanism of action

Janus Kinase (JAK) inhibitor

Note

Toxic, refer to SDS for further information . Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

Purity

≥99%

Names and Identifiers

• Pubchem Sid: 488196565
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488196565
• Canonical Smiles: CC1CCN(CC1N(C)C2=NC=NC3=C2C=CN3)C(=O)CC#N.C(C(=O)O)C(CC(=O)O)(C(=O)O)O
• IUPAC Name: 2-hydroxypropane-1,2,3-tricarboxylic acid;3-[(3R,4R)-4-methyl-3-[methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino]piperidin-1-yl]-3-oxopropanenitrile
• InChIKey: SYIKUFDOYJFGBQ-YLAFAASESA-N
• INCHI: 1S/C16H20N6O.C6H8O7/c1-11-5-8-22(14(23)3-6-17)9-13(11)21(2)16-12-4-7-18-15(12)19-10-20-16;7-3(8)1-6(13,5(11)12)2-4(9)10/h4,7,10-11,13H,3,5,8-9H2,1-2H3,(H,18,19,20);13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)/t11-,13+;/m1./s1
• Isomeric SMILES: C[C@@H]1CCN(C[C@@H]1N(C)C2=NC=NC3=C2C=CN3)C(=O)CC#N.C(C(=O)O)C(CC(=O)O)(C(=O)O)O
• WGK Germany: 3
• Molecular Weight: 504.49
• Reaxy-Rn: 14655003
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14655003&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organoheterocyclic compounds
    • Class Piperidines
      • Subclass N-acylpiperidines

• Kingdom: Organic compounds
• Superclass: Organoheterocyclic compounds
• Class: Piperidines
• Subclass: N-acylpiperidines
• Intermediate Tree Nodes: Not available
• Direct Parent: N-acylpiperidines
• Alternative Parents: Tricarboxylic acids and derivatives Pyrrolo[2,3-d]pyrimidines Dialkylarylamines Aminopyrimidines and derivatives Aminopiperidines Imidolactams Tertiary carboxylic acid amides Pyrroles Heteroaromatic compounds Nitriles Azacyclic compounds Organopnictogen compounds Organic oxides Hydrocarbon derivatives Carbonyl compounds
• Molecular Framework: Not available
• Substituents: N-acyl-piperidine - Pyrrolopyrimidine - Tricarboxylic acid or derivatives - Pyrrolo[2,3-d]pyrimidine - Dialkylarylamine - 3-aminopiperidine - Aminopyrimidine - Pyrimidine - Imidolactam - Heteroaromatic compound - Pyrrole - Tertiary carboxylic acid amide - Carboxamide group - Nitrile - Carbonitrile - Carboxylic acid derivative - Azacycle - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organic oxide - Carbonyl group - Organopnictogen compound - Organic oxygen compound - Hydrocarbon derivative - Aromatic heteropolycyclic compound
• Description: This compound belongs to the class of organic compounds known as n-acylpiperidines. These are compounds containing an N-acyethanolamine moiety, which is characterized by an acyl group is linked to the nitrogen atom of a piperidine.
• External Descriptors: citrate salt

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Associated Targets(Human)

ABL1 Tclin Tyrosine-protein kinase ABL (18331 Activities)

Discover Target: ABL1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

GSK3B Tclin Glycogen synthase kinase-3 beta (11785 Activities)

Discover Target: GSK3B

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CSNK1D Tchem Casein kinase I delta (4546 Activities)

Discover Target: CSNK1D

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

JAK3 Tclin Tyrosine-protein kinase JAK3 (8349 Activities)

Discover Target: JAK3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

JAK1 Tclin Tyrosine-protein kinase JAK1 (8569 Activities)

Discover Target: JAK1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

JAK2 Tclin Tyrosine-protein kinase JAK2 (12915 Activities)

Discover Target: JAK2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

CDK2 Tchem Cyclin-dependent kinase 2 (9050 Activities)

Discover Target: CDK2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TYK2 Tclin Tyrosine-protein kinase TYK2 (5029 Activities)

Discover Target: TYK2

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

AURKA Tchem Serine/threonine-protein kinase Aurora-A (10240 Activities)

Discover Target: AURKA

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

U2OS (164939 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

DCLK3 Tchem Serine/threonine-protein kinase DCLK3 (296 Activities)

Discover Target: DCLK3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

BRD4 Tchem Bromodomain-containing protein 4 (13122 Activities)

Discover Target: BRD4

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

TRIM24 Tchem Transcription intermediary factor 1-alpha (2087 Activities)

Discover Target: TRIM24

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

BRPF1 Tchem Peregrin (2217 Activities)

Discover Target: BRPF1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Associated Targets(non-human)

Mapk1 MAP kinase ERK2 (650 Activities)

Discover Target: Mapk1

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Fgfr3 Fibroblast growth factor receptor 3 (21 Activities)

Discover Target: Fgfr3

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mus musculus (284745 Activities)

Explore this target

Activity Type	Relation	Activity value	Units	Action Type	Journal	PubMed Id	doi	Assay Aladdin ID

Mechanisms of Action

Chemical and Physical Properties

• Solubility: Soluble in DMSO (100 mg/ml at 25 °C), ethanol (<1 mg/ml at 25 °C), DMF (~5 mg/ml), water (<1 mg/ml at 25 °C), and 0.5% methylcellulose (30 mg/ml at 25 °C).
• Sensitivity: Moisture sensitive, Light sensitive
• Molecular Weight: 504.500 g/mol
• Hydrogen Bond Donor Count: 5
• Hydrogen Bond Acceptor Count: 12
• Rotatable Bond Count: 8
• Exact Mass: 504.197 Da
• Monoisotopic Mass: 504.197 Da
• Topological Polar Surface Area: 221.000 Ų
• Heavy Atom Count: 36
• Formal Charge: 0
• Complexity: 716.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 2
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 2

XLogP3

References

1. Hui Li, Wenjing Zhu, Chenglin Zhan, Xiaofang Gong, Minghua Liu, Ge Zhao.  (2025)  Effects and Mechanisms of Lonicerin Against Atopic Dermatitis: An Integration of Bioinformatics Analysis and Experimental Validation.  FASEB JOURNAL,  39  (23): (e71320).  [PMID:41363993] [10.1096/fj.202503375R]