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Home/Compounds/CAS 540737-29-9
Formula C22H28N6O8MW 504.5Research-use catalog entryCOA/SDS by request

Tofacitinib Citrate

CAS Number: 540737-29-9

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Loading RDKit molecule structure...
InChIKey: SYIKUFDOYJFGBQ-YLAFAASESA-NC22H28N6O8 | MW 504.5

Chemical Absolute Identifiers

CAS Number

540737-29-9

PubChem CID

10174505

Molecular Formula

C22H28N6O8

Molecular Weight

504.5 g/mol

Exact Mass

504.196862

InChIKey

SYIKUFDOYJFGBQ-YLAFAASESA-N

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

SMILES String

C[C@@H]1CCN(C(=O)CC#N)C[C@@H]1N(C)c1ncnc2[nH]ccc12.O=C(O)CC(O)(CC(=O)O)C(=O)O

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Tofacitinib Citrate (CAS 540737-29-9) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C22H28N6O8 and molecular weight 504. 50 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research-stage medicinal chemistry and intermediate synthesis workflows; structure-derived tags include nitrogen-containing heterocycle.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Pharmaceutical Intermediate ResearchResearch intermediateCustom synthesis building blockPharmaceutical intermediate researchResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow
Biological target reference

ChEMBL reports experimental activity evidence for: Tyrosine-protein kinase JAK3 (Homo sapiens) — 28 assays; Tyrosine-protein kinase JAK2 (Homo sapiens) — 28 assays; Tyrosine-protein kinase JAK1 (Homo sapiens) — 27 assays; Non-receptor tyrosine-protein kinase TYK2 (Homo sapiens) — 28 assays; Serine/threonine-protein kinase DCLK3 (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Tyrosine-protein kinase JAK3

Homo sapiens · SINGLE PROTEIN · 28 qualifying assays · 3 documents · best pChEMBL 9.7

Experimental evidence source: ChEMBL

Tyrosine-protein kinase JAK2

Homo sapiens · SINGLE PROTEIN · 28 qualifying assays · 3 documents · best pChEMBL 9.22

Experimental evidence source: ChEMBL

Tyrosine-protein kinase JAK1

Homo sapiens · SINGLE PROTEIN · 27 qualifying assays · 3 documents · best pChEMBL 9.17

Experimental evidence source: ChEMBL

Non-receptor tyrosine-protein kinase TYK2

Homo sapiens · SINGLE PROTEIN · 28 qualifying assays · 3 documents · best pChEMBL 8.36

Experimental evidence source: ChEMBL

Serine/threonine-protein kinase DCLK3

Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 8.35

Experimental evidence source: ChEMBL

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Tofacitinib Citrate

Names & Synonyms

Tasocitinib citrateXeljanzCP-690550 citrateXeljanz XrTasocitinib monocitrate
Show all synonyms
CP-690,550-10Tofacitinib monocitrate1-PIPERIDINEPROPANENITRILE, 4-METHYL-3-(METHYL-7H-PYRROLO(2,3-D)PYRIMIDIN-4-YLAMINO)-beta-OXO-, (3R,4R)-, 2-HYDROXY-1,2,3-PROPANETRICARBOXYLATE (1:1)1-PIPERIDINEPROPANENITRILE, 4-METHYL-3-(METHYL-7H-PYRROLO[2,3-D]PYRIMIDIN-4-YLAMINO)-BETA-OXO-, (3R,4R)-, 2-HYDROXY-1,2,3-PROPANETRICARBOXYLATE (1:1)Tofacitinib (CP-690550) CitrateTofacitinib (citrate)Tofacitinib citrate [USAN]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-tricarboxylate1-Piperidinepropanenitrile, 4-methyl-3-(methyl-7H-pyrrolo(2,3-d)pyrimidin-4-ylamino)- beta-oxo-, (3R,4R)-, 2-hydroxy-1,2,3-propanetricarboxylate (1:1)CP 690550 citrate (Tofacitinib citrate)(3R,4R)-4-Methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-beta-oxo-1-piperidinepropanenitrile 2-hydroxy-1,2,3-propanetricarboxylate540737-29-9 (citrate)Racemic Tasocitinib3-{(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-tricarboxylate3-{(3r,4r)-4-methyl-3-[methyl-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-amino]-piperidin-1-yl}-3-oxo-propionitrile citrate salt
External Identifiers
EC NUMBER: 638-826-4DSSTOX SUBSTANCE ID: DTXSID80202404CHEMBL ID: CHEMBL2103743CHEBI ID: CHEBI:71197UNII: O1FF4DIV0DKEGG ID: D09783NCI THESAURUS CODE: C95801RXCUI: 1358492WIKIDATA ID: Q27139435
Literature & Patent References
DOI 10.1016/j.bmc.2023.117561Discovery of pyrazolo[3,4-d]pyrimidines as novel mitogen-activated protein kinase kinase 3 (MKK3) inhibitors.DOI 10.6019/CHEMBL5444388Affinity Phenotypic Cellular Literature for EUbOPEN Chemogenomic LibraryDOI 10.6019/CHEMBL5446079Affinity Biochemical Literature for EUbOPEN Chemogenomic LibraryDOI 10.6019/CHEMBL5465560Selectivity Literature for EUbOPEN Chemogenomic LibraryDOI 10.6019/CHEMBL5608141Identification of compartment-specific drug sensitivities in CRC organoid-stroma co-culturesDOI 10.6019/CHEMBL5665443Enzyme Inhibitor Single Concentration assay results for EUbOPEN Chemogenomics LibraryDOI 10.6019/CHEMBL5674860Optimized Dual-Glo Assay to identify co-culture-induced drug vulnerabilities in 3D CRC modelsDOI 10.6019/CHEMBL5724558Image-based profiling of drug vulnerabilities in CRC organoids

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
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  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

N-((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)-2-chloro-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amineCAS 923036-25-3
(3R,4R)-4-Methyl-3-(methylamino)-beta-oxo-1-piperidinepropanenitrileCAS 1629858-78-1
2-chloro-N-methyl-N-((3R,4R)-4-methylpiperidin-3-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amineCAS 1616760-97-4
N-methyl-7H-pyrrolo(2,3-d)pyrimidin-4-amineCAS 78727-16-9

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 120685-11-2MidostaurinCAS 443913-73-3VandetanibCAS 571190-30-2PalbociclibCAS 1310726-60-3UpadacitinibCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 540737-29-9

What are the key identifiers for Tofacitinib Citrate (CAS 540737-29-9)?

Tofacitinib Citrate is identified by CAS 540737-29-9, with molecular formula C22H28N6O8, molecular weight 504.5, InChIKey SYIKUFDOYJFGBQ-YLAFAASESA-N.

Does CAS 540737-29-9 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Tyrosine-protein kinase JAK3, Tyrosine-protein kinase JAK2, Tyrosine-protein kinase JAK1, Non-receptor tyrosine-protein kinase TYK2, Serine/threonine-protein kinase DCLK3. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 540737-29-9?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Tofacitinib Citrate?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 540737-29-9 available for quotation?

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