Protein-tyrosine kinases (PTKs) catalyze the transfer of the γ-phosphate of ATP to tyrosine residues of protein substrates, are critical components of signaling pathways that control cellular proliferation and differentiation. Two classes of PTKs are present in cells: the transmembrane receptor PTKs and the nonreceptor PTKs.

The RTK family includes the receptors for insulin and for many growth factors, such as EGF, FGF, PDGF, VEGF, and NGF. RTKs are transmembrane glycoproteins that are activated by the binding of their ligands, and they transduce the extracellular signal to the cytoplasm by phosphorylating tyrosine residues on the receptors themselves (autophosphorylation) and on downstream signaling proteins. RTKs activate numerous signaling pathways within cells, leading to cell proliferation, differentiation, migration, or metabolic changes. In addition, nonreceptor tyrosine kinases (NRTKs), which include Src, JAKs, and Abl, among others, are integral components of the signaling cascades triggered by RTKs and by other cell surface receptors such as GPCRs and receptors of the immune system. NRTKs are critical components in the regulation of the immune system.

RTKs and NRTKs have been implicated in the progression of diseases such as cancer, diabetic retinopathy, atherosclerosis, and psoriasis. Protein kinases, including RTKs, are one of the most frequently mutated gene families implicated in cancer, which has prompted numerous studies on their role in cancer pathogenesis. There are four main mechanisms of RTK dysregulation in human cancers: genomic rearrangements, autocrine activation, overexpression and gain- or loss-of-function mutations. Currently, there are several clinically available small molecule inhibitors and monoclonal antibodies against specific RTKs.

References:
[1] Hubbard SR, et al. Annu Rev Biochem. 2000;69:373-98.
[2] Robinson DR, et al. Oncogene. 2000 Nov 20;19(49):5548-57.
[3] McDonell LM, et al. Hum Mol Genet. 2015 Oct 15;24(R1):R60-6.


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PROTAC BTK Degrader-2

PROTAC BTK Degrader-2 is a potent BTK PROTAC degrader. PROTAC BTK Degrader-2 effectively reduces BTK protein levels[1].

  • CAS Number: 2250382-66-0
  • MF: C47H54F2N8O13
  • MW: 976.97
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Ehp inhibitor 2

Ehp inhibitor 2 is a Eph family tyrosine kinase inhibitor.

  • CAS Number: 861249-59-4
  • MF: C18H15N5O
  • MW: 333.16
  • Catalog: Ephrin Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

BMS-986143

BMS-986143 is an orally active, reversible BTK inhibitor with an IC50 of 0.26 nM. BMS-986143 also inhibits TEC, BLK, BMX, TXK FGR, YES1, ITK with IC50s of 3 nM, 5 nM, 7 nM, 10 nM, 15 nM,19 nM, 21 nM, respectively. BMS-986143 can be used for the research of autoimmune diseases[1].

  • CAS Number: 1643372-95-5
  • MF: C31H24Cl2N4O4
  • MW: 587.45
  • Catalog: Btk
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Cetuximab sarotalocan

Cetuximab sarotalocan (Cetuximab-IRDye-700DX) is an IRdye700DX (near-infrared photosensitizing dye) conjugate of Cetuximab (anti-EGFR monoclonal antibody). Cetuximab sarotalocan can be used for head and neck cancers research[1][2].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

AG 538

AG 538 is a potent, competitive inhibitor of IGF-1 receptor kinase, with an IC50 of 400 nM[1].

  • CAS Number: 133550-18-2
  • MF: C16H11NO5
  • MW: 297.262
  • Catalog: IGF-1R
  • Density: 1.5±0.1 g/cm3
  • Boiling Point: 637.5±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 339.3±31.5 °C

NRX-0492

NRX-0492 is an orally active and potent degrader of BTK. NRX-0492 catalyzes ubiquitylation and proteasomal degradation of BTK with DC50≤0.2 nM and DC90≤0.5 nM, respectively. NRX-0492 inhibits B-cell receptor (BCR)-mediated signaling, transcriptional programs, and chemokine secretion. Moreover, NRX-0492 also links a noncovalent BTK-binding domain to Cereblon. Cereblon is an adaptor protein of the E3 ubiquitin ligase complex[1].

  • CAS Number: 2416130-57-7
  • MF: C43H51N11O6
  • MW: 817.94
  • Catalog: Btk
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

RO9021

RO9021 is an orally bioavailable, novel ATP-competitive inhibitor of SYK, with an average IC50 of 5.6 nM.

  • CAS Number: 1446790-62-0
  • MF: C18H25N7O
  • MW: 355.437
  • Catalog: Syk
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 618.5±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 327.9±31.5 °C

FGFR-IN-5

FGFR-IN-5 is a potent inhibitor of FGFR. Fibroblast growth factor receptor (FGFR) is a tyrosine kinase receptor that binds to fibroblast growth factor ligands. FGFR-IN-5 has the potential for the research of cancer diseases (extracted from patent WO2022042612A1, compound 3)[1].

  • CAS Number: 2762750-70-7
  • MF: C25H22N6O3
  • MW: 454.48
  • Catalog: FGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TRK-IN-21

TRK-IN-21 (5n) is an orally activity TRK inhibitor. TRK-IN-21 inhibits TRKAWT, TRKAG667C, TRKAF589L, and TRKAG595 with IC50s of 0.3, 2.3, 0.4 and 0.5 nM, respectively. TRK-IN-21 can be used for the research of cancer[1].

  • CAS Number: 2429985-55-5
  • MF: C22H22F2N6O
  • MW: 424.45
  • Catalog: Trk Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

IRAK4-IN-13

IRAK4-IN-13 (compound 21) is a potent and selective IRAK4 inhibitor with an IC50 of 0.6 nM. IRAK4-IN-13 shows high metabolic clearance with human liver microsomes (HLM) intrinsic clearance is 96 µL/min/mg[1].

  • CAS Number: 2667681-57-2
  • MF: C24H27N9O
  • MW: 457.53
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

KX1-004

KX1-004 is a potent small molecule inhibitor of Src-PTK as a potential protective drug for NIHL.IC50 value:Target: Src-PTK inhibitorKX1-004, KX1-005 and KX1-174 as potential protective drugs for NIHL. Chinchillas were used as subjects. A 30 microl drop of one of the Src inhibitors was placed on the round window membrane of the anesthetized chinchilla; the vehicle (DMSO and buffered saline) alone was placed on the other ear. After the drug application, the middle ear was sutured and the subjects were exposed to noise. Hearing was measured before and several times after the noise exposure and treatment using evoked responses. At 20 days post-exposure, the animals were anesthetized their cochleae extracted and cochleograms were constructed. All three Src inhibitors provided protection from a 4 h, 4 kHz octave band noise at 106 dB. The most effective drug, KX1-004 was further evaluated by repeating the exposure with different doses, as well as, substituting an impulse noise exposure [1]. LNAC was delivered intraperitoneally at a dose of 325 mg/kg while KX1-004 was administered subcutaneously at a dose of 50 mg/kg. The noise exposure consisted of a 4 kHz octave band of noise at 100 dB SPL for 6 hours/day for 4 days. The drugs were administered once each day, 30 minutes prior to the onset of the noise exposure. The animals' hearing was estimated using the evoked response records from surgically-implanted chronic electrodes in the inferior colliculi. Animals treated with LNAC and KX1-004 had from 10 to 20 dB less temporary threshold shift at day 1 and an average 10 dB less permanent threshold shift by day 21 when compared to control saline treated animals [2].

  • CAS Number: 518058-84-9
  • MF: C16H13FN2O2
  • MW: 284.29
  • Catalog: Src
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 628.2±50.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 333.7±30.1 °C

AZD8601

AZD8601 is an mRNA designed to produce vascular endothelial growth factor A (VEGF-A). AZD8601 accelerates diabetic wound healing[1][2].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Figitumumab

Figitumumab (CP-751871) is a potent and fully human monoclonal anti–insulin-like growth factor 1 receptor (IGF1R) antibody. Figitumumab prevents IGF1 from binding to IGF1R with an IC50 of 1.8 nM[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Crotonoside

Crotonoside is isolated from Chinese medicinal herb, Croton. Crotonoside inhibits FLT3 and HDAC3/6, exhibits selective inhibition in acute myeloid leukemia (AML) cells. Crotonoside could be a promising new lead compound for the treatment of AML[1].

  • CAS Number: 1818-71-9
  • MF: C10H13N5O5
  • MW: 283.241
  • Catalog: HDAC
  • Density: 2.3±0.1 g/cm3
  • Boiling Point: 831ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 456.4ºC

Bafetinib (INNO-406)

Bafetinib is a Lyn and Bcr-Abl tyrosine kinase inhibitor with potential antineoplastic activity.

  • CAS Number: 859212-16-1
  • MF: C30H31F3N8O
  • MW: 576.615
  • Catalog: Autophagy
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: 166-168°C
  • Flash Point: N/A

D5261

D5261 is a potent, type III allosteric tropomyosin-related kinase A (TrkA) inhibitor[1].

  • CAS Number: 1574574-57-4
  • MF: C25H29N5O3
  • MW: 447.53
  • Catalog: Trk Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Lavendustin C

Lavendustin C is a potent Ca2+ calmodulin-dependent kinase II (CaMK II) inhibitor with an IC50 of 0.2 µM. Lavendustin C inhibits EGFR-associated tyrosine kinase (IC50=0.012 µM) and pp60c-src(+) kinase (IC50=0.5 µM) [1][2].

  • CAS Number: 125697-93-0
  • MF: C14H13NO5
  • MW: 275.257
  • Catalog: EGFR
  • Density: 1.6±0.1 g/cm3
  • Boiling Point: 597.5±50.0 °C at 760 mmHg
  • Melting Point: 193-195ºC dec.
  • Flash Point: 315.2±30.1 °C

(3,4,5-Trihydroxybenzylidene)malononitrile

Tyrphostin 25 (AG82) is a specific inhibitor of the EGFR tyrosine kinase. Tyrphostin 25 is also a GPR35 agonist with an IC50 of 0.94 µM and an EC50 of 5.3 µM[1][2].

  • CAS Number: 118409-58-8
  • MF: C10H6N2O3
  • MW: 202.17
  • Catalog: EGFR
  • Density: 1.6±0.1 g/cm3
  • Boiling Point: 500.8±50.0 °C at 760 mmHg
  • Melting Point: -220ºC dec.
  • Flash Point: 256.7±30.1 °C

Semaxanib (SU5416)

(Z)-Semaxanib (compound (z)-1) is a potent tyrosine kinase inhibitor. (Z)-Semaxanib shows cytotoxicity for TAMH and HepG2 cells with IC50s of 6.28 µM and 8.17 µM, respectively[1].

  • CAS Number: 194413-58-6
  • MF: C15H14N2O
  • MW: 238.28400
  • Catalog: c-Met/HGFR
  • Density: 1.256g/cm3
  • Boiling Point: 481.4ºC at 760mmHg
  • Melting Point: 220-222℃
  • Flash Point: 244.9ºC

Disitamab

Disitamab (RC48-0) is a humanized monoclonal antibody targeting HER2. Disitamab can be used in the synthesis of antibody-drug conjugates (ADCs), Disitamab vedotin (Disitamab vedotin (HY-P9985))[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Ensartinib

X-376 is a potent and dual ALK/MET inhibitor with IC50s of 0.61 nM and 0.69 nM, respectively.

  • CAS Number: 1365267-27-1
  • MF: C25H25Cl2FN6O3
  • MW: 547.409
  • Catalog: ALK
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 695.1±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 374.2±31.5 °C

2-Phospho-L-ascorbic acid trisodium salt

2-Phospho-L-ascorbic acid trisodium salt acts as an antioxidant and a stimulator of hepatocyte growth factor (HGF) production.

  • CAS Number: 66170-10-3
  • MF: C6H6Na3O9P
  • MW: 322.049
  • Catalog: c-Met/HGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: 84 °C
  • Flash Point: N/A

Nintedanib (BIBF 1120)

BIBF 1120 is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC50s of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM, respectively.

  • CAS Number: 656247-17-5
  • MF: C31H33N5O4
  • MW: 539.625
  • Catalog: FGFR
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 742.2±60.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 402.7±32.9 °C

PD 174265

PD 174265 is a potent, cell-permeable, reversible, and selective inhibitor of EGFR with an IC50 of 450 pM[1].

  • CAS Number: 216163-53-0
  • MF: C17H15BrN4O
  • MW: 371.23100
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Glesatinib

Glesatinib (MGCD265) is an orally active, potent MET/SMO dual inhibitor. Glesatinib, a tyrosine kinase inhibitor, antagonizes P-glycoprotein (P-gp) mediated multidrug resistance (MDR) in non-small cell lung cancer (NSCLC)[1][2].

  • CAS Number: 936694-12-1
  • MF: C31H27F2N5O3S2
  • MW: 619.705
  • Catalog: c-Met/HGFR
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Edralbrutinib

Edralbrutinib is a potent BTK inhibitor[1].

  • CAS Number: 1858206-58-2
  • MF: C26H21F2N5O3
  • MW: 489.47
  • Catalog: Btk
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Efdamrofusp alfa

Efdamrofusp alfa is a bispecific fusion protein. Efdamrofusp alfa is capable of neutralizing both VEGF isoforms and C3b/C4b. Efdamrofusp alfa can be used for the research of neovascular age-related macular degeneration (nAMD) and other complement-related ocular conditions[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

GNE-2256

GNE-2256 (GNE2256) is a potent, selective inhibitor of IRAK4 with biochemical Ki of 1.4 nM.GNE-2256 displays high selectivity in the CEREP panel with off-targets with >50% inhibition are TACR1, HTR2B and ACHE.GNE-2256 is potent in the NanoBRET assay (IC50 = 3.3 nM), the IL-6 human whole blood assay (IC50=190 nM) and the IFNα human whole blood assay (IC50=290 nM).

  • CAS Number: 2102170-43-2
  • MF: C24H27FN6O4
  • MW: 482.516
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Dyrk1A-IN-5

Dyrk1A-IN-5 (compound 5j) is a potent and selective DYRK1A inhibitor, with an IC50 of 6 nM. Dyrk1A-IN-5 dose-dependently reduces the phosphorylation of Thr434 in SF3B1, with an IC50 of 0.5 μM. Dyrk1A-IN-5 inhibits phosphorylation of tau at Thr212, with an IC50 of 2.1 μM. Dyrk1A-IN-5 can be used for Down syndrome research[1].

  • CAS Number: 1685235-41-9
  • MF: C16H9IN2O2
  • MW: 388.16
  • Catalog: DYRK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Btk inhibitor 1

Btk inhibitor 1 is a pyrazolo[3,4-d]pyrimidine derivative as a Btk kinase inhibitor.IC50 value:Target: BtkFrom PCT Int. Appl. (2012), WO 2012158843 A2 20121122.

  • CAS Number: 1412418-47-3
  • MF: C22H22N6O
  • MW: 386.45000
  • Catalog: Btk
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A