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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Src Inhibitor-1

Src Inhibitor 1 is a potent and selective dual site Src tyrosine kinase inhibitor with IC50 values of 44 nM for Src and 88nM for Lck.

  • CAS Number: 179248-59-0
  • MF: C22H19N3O3
  • MW: 373.405
  • Catalog: Src
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 528.2±50.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 273.2±30.1 °C

Tyrphostin B42 (AG-490)

AG-490 is a tyrosine kinase inhibitor that inhibits EGFR, Stat-3 and JAK2/3.

  • CAS Number: 133550-30-8
  • MF: C17H14N2O3
  • MW: 294.305
  • Catalog: Autophagy
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 615.2±55.0 °C at 760 mmHg
  • Melting Point: 215°C(lit.)
  • Flash Point: 325.9±31.5 °C

H1-7 acetate salt

H1-7 (histone H1 phosphorylation site), PKA Substrate, a synthetic polypeptide, can be used as PKA substrate[1][2].

  • CAS Number: 65189-70-0
  • MF: C31H58N14O9
  • MW: 770.88100
  • Catalog: PKA
  • Density: 1.54g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tyrphostin 51

(Z)-Tyrphostin A51 is the Z configuration of Lanoconazole A51. Tyrphostin A51 is a potent protein tyrosine kinase (PTK) inhibitor. Tyrphostin A51 inhibits the volume-dependent release of [3H]taurine in a dose-dependent manner. Tyrphostin A51 markedly reduces cellular tyrosyl phosphorylation level. Tyrphostin A51 inhibits both basal and EGF-induced human bone cell proliferation[1][2].

  • CAS Number: 122520-90-5
  • MF: C13H8N4O3
  • MW: 268.228
  • Catalog: EGFR
  • Density: 1.6±0.1 g/cm3
  • Boiling Point: 788.2±60.0 °C at 760 mmHg
  • Melting Point: 278ºC
  • Flash Point: 430.5±32.9 °C

tepotinib

EMD 1214063 is a potent and selective c-Met inhibitor with IC50 of 4 nM, >200-fold selective for c-Met than IRAK4, TrkA, Axl, IRAK1, and Mer. IC50 Value: 4 nM [1]Target: c-Metin vitro: EMD 1214063 inhibits HGF-induced c-Met phosphorylation in A549 cells with IC50 of 6 nM. Treatment with EMD 1214063 induces a marked reduction of c-Met–constitutive phosphorylation in EBC-1 cells with IC50 of 9 nM. EMD 1214063 effectively blocka phosphorylation of the major downstream effectors of the c-Met enzyme, such as Grb2, Gab1, Sos, PLCγ, and phosphoinositide 3-kinase, in EBC-1, MKN-45, and Hs746T cells in the range of 1 to 10 nM. EMD 1214063 considerably inhibits the viability of MKN-45 cells with IC50 of less than 1 nM. Treatment with EMD 1214063 (as low as 0.1 nM) inhibits HGF-induced NCI-H441 cell migration, whereas concentrations of 100 nM to 1 μM almost completely prevents it.in vivo: EMD 1214063 treatment, at doses of 10 mg/kg or more, results in more than 90% inhibition of c-Met phosphorylation in Hs746T xenograft tumor for a period of at least 72 hours. EMD 1214063 induces more than 50% reduction of cyclin D1 expression, which persists after 96 hours upon treatment with doses of 100 mg/kg. A transient induction of p27 and cleaved caspase-3 are also observed upon treatment with EMD 1214063. EMD 1214063 (15 mg/kg, daily) treatment induces complete regression of gastric carcinoma xenografts Hs746T, in which c-Met is amplified, overexpressed, and activated in a ligand-independent fashion.

  • CAS Number: 1100598-32-0
  • MF: C29H28N6O2
  • MW: 492.572
  • Catalog: Autophagy
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 626.5±65.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 332.7±34.3 °C

Harringtonolide

Harringtonolide is a potent RACK1 inhibitor (IC50=39.66 μM in A375 cells). Harringtonolide inhibits the epithelial-mesenchymal transition (EMT) process and cell proliferation by affecting the interaction between FAK and RACK1. Harringtonolide has plant growth inhibitory, antiviral, anti-inflammatory, and antiproliferation activities[1].

  • CAS Number: 64761-48-4
  • MF: C19H18O4
  • MW: 310.344
  • Catalog: FAK
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 605.5±55.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 270.5±31.5 °C

Theliatinib (HMPL-309)

Theliatinib (HMPL-309) is a potent, ATP-competitive and highly selective EGFR inhibitor, significantly inhibits phosphorylation of EGFR (p-EGFR) and its downstream targets, AKT and ERK (p-AKT and p-ERK), with anti-tumor activity. Theliatinib (HMPL-309) shows a Ki of 0.05 nM for wild type EGFR, and IC50s of 3 and 22 nM for EGFR and EGFR T790M/L858R mutant, respectively[1].

  • CAS Number: 1353644-70-8
  • MF: C25H26N6O2
  • MW: 442.52
  • Catalog: EGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Gefitinib-d3

Gefitinib-d3 (ZD1839-d3) is the deuterium labeled Gefitinib. Gefitinib (ZD1839) is a potent, selective and orally active EGFR tyrosine kinase inhibitor with an IC50 of 33 nM. Gefitinib selectively inhibits EGF-stimulated tumor cell growth (IC50 of 54 nM) and that blocks EGF-stimulated EGFR autophosphorylation in tumor cells. Gefitinib also induces autophagy. Gefitinib has antitumour activity[1][2].

  • CAS Number: 1173976-40-3
  • MF: C22H21ClD3FN4O3
  • MW: 449.92100
  • Catalog: Autophagy
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Tyrphostin 51

Tyrphostin A51 is a potent protein tyrosine kinase (PTK) inhibitor. Tyrphostin A51 inhibits the volume-dependent release of [3H]taurine in a dose-dependent manner. Tyrphostin A51 markedly reduces cellular tyrosyl phosphorylation level. Tyrphostin A51 inhibits both basal and EGF-induced human bone cell proliferation[1][2].

  • CAS Number: 126433-07-6
  • MF: C13H8N4O3
  • MW: 268.228
  • Catalog: EGFR
  • Density: 1.6±0.1 g/cm3
  • Boiling Point: 788.2±60.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 430.5±32.9 °C

MET inhibitor Compound 1

A novel potent, selective orally bioavailable MET tyrosine kinase inhibitor with IC50 of <1 nM and 12 nM for unphosphorylated and phosphorylaed MET, respectively; demonstrates potent, broad spectrum activity against MET mutants (V1110I, H1112Y, L1195V, Y1235D, D1228H and M1250T) with IC50 of <1 nM-57 nM, and Y1230 mutants with moderate potency (IC50=25-280 nM); displays >50-fold selectivity in a panel of 130 kinases with exception of Fms and TrkA/B/C; inhibits MET-dependent tumor cell growth in vivo through decreasing phosphorylaed MET.

  • CAS Number: 1208248-23-0
  • MF: C21H17F2N9O
  • MW: 449.426
  • Catalog: c-Met/HGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Axl-IN-6

Axl-IN-6 (compound 14) is an orally active and potent AXL inhibitor. Axl-IN-6 is well tolerated and significantly inhibits the tumor growth in MV-4-11 subcutaneous xenograft model[1].

  • CAS Number: 2642224-22-2
  • MF: C32H36N4O
  • MW: 492.65
  • Catalog: TAM Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

GLPG2534

GLPG2534 is an orally active and selective IRAK4 inhibitor, with IC50 values of 6.4 nM and 3.5 nM for human and mouse IRAK4. GLPG2534 can be used for the research of inflammatory skin diseases[1].

  • CAS Number: 2095615-97-5
  • MF: C21H24N6O4
  • MW: 424.45
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

123C4

123C4 is a potent, selective and competitive agonist of the receptor tyrosine kinase EPHA4, with a Ki value of 0.65 μM[1].

  • CAS Number: 2034159-30-1
  • MF: C43H47ClN8O6
  • MW: 807.34
  • Catalog: Ephrin Receptor
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Lewis y tetrasaccharide

Lewis Y tetrasaccharide (Lewis Y, LeY) is a tetrasaccharide derivative form of Lewis X trisaccharide (HY-N10534). Lewis Y tetrasaccharide is an antigen associated with malignant ovarian carcinomas metastasis and poor prognosis[1][2].

  • CAS Number: 82993-43-9
  • MF: C26H45NO19
  • MW: 675.63100
  • Catalog: FAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CT52923

CT52923 is a selective, orally active platelet-derived growth factor receptor (PDGFR) antagonist. CT52923 also is an ATP-competitive inhibitor. CT52923 can be used for the research variety of pathological diseases, including atherosclerosis, glomerulonephritis, liver cirrhosis, pulmonary fibrosis, and cancer[1].

  • CAS Number: 205256-55-9
  • MF: C23H25N5O4S
  • MW: 467.54
  • Catalog: PDGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ONO-4059 (analog)

The product is the analog of ONO-4059, ONO-4059 is a highly potent and selective Btk inhibitor with an IC50 in the sub-nM range. IC50 value: sub-nM range [2]Target: Btkin vitro: ONO-4059 ( analog ) is a selective, once-daily, oral inhibitor of BTK, which has been shown to play a role in the survival and proliferation of malignant B-cells. ONO-4059 (analog) shows a favourable safety profile along with promising efficacy in this difficult-to-treat patient population. [1]in vivo: ONO-4059 (analog) has demonstrated anti-tumour activity in several pre-clinical models.[1] ONO-4059 (analog) potently and dose-dependently reverse clinical arthritis and prevented bone damage in the CIA model.[2]

  • CAS Number: 1351635-67-0
  • MF: C25H24N6O3
  • MW: 456.496
  • Catalog: Btk
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 714.0±70.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 385.6±35.7 °C

Afatinib (BIBW2992)

(E/Z)-Afatinib ((E/Z)-BIBW 2992) is the mixture of (E)-Afatinib and (Z)-Afatinib. Afatinib (HY-10261) is an irreversible inhibitor of EGFR, by irreversibly binding to their ATP binding site to block activation of EGFR, HER2, HER4, and EGFRvIII. Afatinib used in co-administration with Temozolomide (HY-17364), potently targeting to EGFRvIII-cMet signaling in glioblastoma cells[1].

  • CAS Number: 439081-18-2
  • MF: C24H25ClFN5O3
  • MW: 485.94
  • Catalog: Apoptosis
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 676.9±55.0 °C at 760 mmHg
  • Melting Point: 100 - 102 °C
  • Flash Point: 363.2±31.5 °C

HS-276

HS-276 is an orally active, potent and highly selective TAK1 inhibitor, with a Ki of 2.5 nM. HS-276 shows significant inhibition of TAK1, CLK2, GCK, ULK2, MAP4K5, IRAK1, NUAK, CSNK1G2, CAMKKβ-1, and MLK1, with IC50 values of 8.25, 29, 33, 63, 125, 264, 270, 810, 1280, and 5585 nM, respectively. HS-276 can be used for rheumatoid arthritis (RA) research[1].

  • CAS Number: 2767422-72-8
  • MF: C24H29N5O2
  • MW: 419.52
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

β-Carotene-d10

β-Carotene-d10 (Provitamin A-d1) is the deuterium labeled β-Carotene. β-Carotene (Provitamin A), a carotenoid compound, is a naturally-occurring vitamin A precursor. β-Carotene is a modulator of reactive oxygen species (ROS), with antioxidant and antiinflammatory activities. β-Carotene may serve as an antioxidant or as a prooxidant, depending on its intrinsic properties as well as on the redox potential of the biological environment in which it acts. β-Carotene induces breast cancer cells apoptosis, with anticancer activities[1][2][3][4][5].

  • CAS Number: 1331639-85-0
  • MF: C40H46D10
  • MW: 546.93
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SIAIS164018

SIAIS164018 is a PROTAC-based ALK and EGFR degrader, which is designed from Brigatinib, with IC50 value of 2.5 nM and 6.6 nM for ALK and ALK G1202R, respectively. SIAIS164018 strongly inhibits cancer cells migration and invasion, causes G1 cell cycle arrest and induces apoptosis. SIAIS164018 exhibits better property than Brigatinib[1].

  • CAS Number: 2353492-68-7
  • MF: C43H48ClN10O7P
  • MW: 883.33
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Cevidoplenib

Cevidoplenib is a potent, selective Syk kinase inhibitor for treatment of kinase-mediated diseases.

  • CAS Number: 1703788-21-9
  • MF: C25H27N7O3
  • MW: 473.527
  • Catalog: Syk
  • Density: 1.5±0.1 g/cm3
  • Boiling Point: 751.1±70.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 408.0±35.7 °C

Coibamide A

Coibamide A, an N-methyl-stabilized cytotoxic depsipeptide, shows potent antiproliferative activity. Coibamide A induces autophagosome accumulation via an mTOR-independent mechanism. Coibamide A induces apoptosis. Coibamide A inhibits VEGFA/VEGFR2 expression and suppresses tumor growth in glioblastoma xenografts[1][2].

  • CAS Number: 1029227-48-2
  • MF: C65H110N10O16
  • MW: 1287.63
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

FLT3/ITD-IN-3

FLT3/ITD-IN-3 (Compound 19) is a potent FLT3 internal tandem duplications (FLT3-ITD) inhibitor with IC50 values of 0.3, 0.4 and 0.9 nM against FLT3D835Y, FLT3 and FLT3-ITD, respectively. FLT3/ITD-IN-3 potently inhibits the phosphorylation of FLT3 and displays excellent antiproliferative activities against acute myeloid leukemia cell lines[1].

  • CAS Number: 2489446-47-9
  • MF: C22H26ClN7O2
  • MW: 455.94
  • Catalog: FLT3
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

(S)-3-Hydroxy Midostaurin

(S)-3-Hydroxy Midostaurin ((S)-CGP52421) is a potent kinases inhibitor with IC50 values of <400 nM for 13 kinases (VEGFR-2, TRK-A, FLT3, et). (S)-3-Hydroxy Midostaurin is a minor metabolite of midostaurin (PKC412; HY-10230) undergoing by the hepatic CYP3A4 enzyme. (S)-3-Hydroxy Midostaurin has the potential for acute myeloid leukemia (AML)[1].

  • CAS Number: 945260-14-0
  • MF: C35H30N4O5
  • MW: 586.64
  • Catalog: FLT3
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Teprotumumab

Teprotumumab is an IGF-1 receptor (IGF-1R) blocking human monoclonal antibody. Teprotumumab binds to the ligand binding extracellular α-subunit domain of IGF-1R. Teprotumumab inhibits TSH and IGF-1 action in fibrocytes. Teprotumumab attenuates TSH-dependent IL-6 and IL-8 expression and Akt phosphorylation. Teprotumumab can be used for thyroid-associated ophthalmopathy research[1].

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

TAS-115 mesylate

TAS-115 mesylate is a potent vascular endothelial growth factor (VEGFR) and hepatocyte growth factor receptor (c-Met/HGFR)-targeted kinase inhibitor, with IC50s of 30 and 32 nM for rVEGFR2 and rMET, respectively.

  • CAS Number: 1688673-09-7
  • MF: C28H27FN4O7S2
  • MW: 614.66
  • Catalog: c-Met/HGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

IRAK4-IN-9

IRAK4-IN-9 (compound 73) is a potent IRAK4 inhibitor with an IC50 of 1.5 nM. IRAK4-IN-9 blocks MyD88 dependent signaling. IRAK4-IN-9 has the potential for the research of inflammatory diseases, autoimmune diseases, and cancer[1].

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

Margetuximab

Margetuximab (MGAH22) is a chimeric anti-HER2 monoclonal antibody optimized Fc domain, with an EC50 value of 39.33 ng/mL. Margetuximab can be used for researching metastatic HER2-positive breast cancer[1].

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

Tyrosine kinase inhibitor

A Tyrosine kinase inhibitor.

  • CAS Number: 1021950-26-4
  • MF: C31H31FN6O5
  • MW: 586.61300
  • Catalog: c-Met/HGFR
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Veligrotug

Veligrotug is an IgG1-kappa, anti-IGF1R (insulin-like growth factor 1 receptor, CD221) chimeric monoclonal antibody[1].

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