Semaxanib
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MedKoo CAT#: 205994

CAS#: 204005-46-9 (free base)

Description: Semaxanib, also known as SU5416, is a quinolone derivative with potential antineoplastic activity. Semaxanib reversibly inhibits ATP binding to the tyrosine kinase domain of vascular endothelial growth factor receptor 2 (VEGFR2), which may inhibit VEGF-stimulated endothelial cell migration and proliferation and reduce the tumor microvasculature. This agent also inhibits the phosphorylation of the stem cell factor receptor tyrosine kinase c-kit, often expressed in acute myelogenous leukemia cells.


Chemical Structure

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Semaxanib
CAS# 204005-46-9 (free base)

Theoretical Analysis

MedKoo Cat#: 205994
Name: Semaxanib
CAS#: 204005-46-9 (free base)
Chemical Formula: C15H14N2O
Exact Mass: 238.11
Molecular Weight: 238.280
Elemental Analysis: C, 75.61; H, 5.92; N, 11.76; O, 6.71

Price and Availability

Size Price Availability Quantity
10mg USD 90 Ready to ship
25mg USD 150 Ready to ship
50mg USD 250 Ready to ship
100mg USD 450 Ready to ship
200mg USD 750 Ready to ship
500mg USD 1650 Ready to ship
1g USD 2950 Ready to ship
2g USD 5310 Ready to ship
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Related CAS #: Semaxanib HCl   204005-46-9 (free base)   1055412-47-9 (Chloro-SU5416)    

Synonym: SU5416; SU-5416; SU 5416; Sugen 5416; semoxind; Semaxanib

IUPAC/Chemical Name: (Z)-3-((3,5-dimethyl-1H-pyrrol-2-yl)methylene)indolin-2-one

InChi Key: WUWDLXZGHZSWQZ-WQLSENKSSA-N

InChi Code: InChI=1S/C15H14N2O/c1-9-7-10(2)16-14(9)8-12-11-5-3-4-6-13(11)17-15(12)18/h3-8,16H,1-2H3,(H,17,18)/b12-8-

SMILES Code: O=C1NC2=C(C=CC=C2)/C1=C/C3=C(C)C=C(C)N3

Appearance: Yellow to orange solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

More Info: Semaxanib (SU5416) is a tyrosine-kinase inhibitor drug designed by SUGEN as a cancer therapeutic. It is an experimental stage drug, not licensed for use on human patients outside of clinical trials. Semaxanib is a potent and selective synthetic inhibitor of the Flk-1/KDR vascular endothelial growth factor (VEGF) receptor tyrosine kinase. It targets the VEGF pathway, and both in vivo and in vitro studies have demonstrated antiangiogenic potential. On February 2002, Pharmacia, the then parent of Sugen, prematurely ended Phase III clinical trials of Semaxinib in the treatment of advanced colorectal cancer due to discouraging results.  Other studies, at earlier phases, have since been conducted.  However, due to the prospect of next-generation tyrosine kinase inhibitors and the ineffaciousness of semaxanib in clinic trials, further development of the drug has been discontinued.  A related compound, SU11248 was further developed by Sugen, and then by Pfizer and was FDA-approved as Sunitinib (Sutent) for treatment of renal carcinoma in January 2006. (source: http://en.wikipedia.org/wiki/Semaxanib).      

Biological target: Semaxinib (SU5416) is a potent and selective inhibitor of VEGFR (Flk-1/KDR) with an IC50 of 1.23 μM.
In vitro activity: To analyze the fate of OECs and HUVEC upon long-term inhibition of VEGFR-2 and its downstream signaling pathways, inhibitors were added to the medium every other day for up to 10 days. Treatment with SU5416 resulted in a dose-dependent decrease in proliferation of OECs (Figure 2A). Generally, HUVEC demonstrated a higher proliferation rate when compared to OECs, and proliferation of HUVEC was only decreased or inhibited when higher concentrations of SU5416 were used (Figure 2B). Reference: Mol Vis. 2011; 17: 85–98. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3021575/
In vivo activity: To determine the biofunction of SU5416 in LPS-induced ALI, this study collected BALF from the mice. In comparison with saline group, LPS significantly increased neutrophil cell numbers in BALF of WT and TLR4−/- mice, while neutrophil cells were significantly diminished in TLR4−/- mice (Figure 1A, P<0.01). As a positive control, dexamethasone (DXM) observably inhibited cell population of neutrophil in BALF isolated from two genotype mice (P<0.01). In addition, SU5416 exhibited the similar inhibitory effect on the population of neutrophil cell (P<0.01). Furthermore, co-treatment with SU5416 and DXM significantly alleviated LPS-induced ALI (P<0.01) (Figure 1A). The levels of proinflammatory cytokines (TGF-β, IL-1β, IL-6, and TNF-α) in BALF showed the same trend with the level of neutrophil cells in mice. Moreover, SU5416 and/or DXM significantly reversed LPS-induced proinflammatory factors in BALF (Figure 1B–E). Reference: Drug Des Devel Ther. 2019; 13: 1763–1772. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6536715/

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 18.3 76.72
DMF 50.0 209.84
Ethanol 2.0 8.39

Preparing Stock Solutions

The following data is based on the product molecular weight 238.28 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol: 1. Mezrich JD, Nguyen LP, Kennedy G, Nukaya M, Fechner JH, Zhang X, Xing Y, Bradfield CA. SU5416, a VEGF receptor inhibitor and ligand of the AHR, represents a new alternative for immunomodulation. PLoS One. 2012;7(9):e44547. doi: 10.1371/journal.pone.0044547. Epub 2012 Sep 6. PMID: 22970246; PMCID: PMC3435281. 2. Thill M, Berna MJ, Kunst F, Wege H, Strunnikova NV, Gordiyenko N, Grierson R, Richard G, Csaky KG. SU5416 induces premature senescence in endothelial progenitor cells from patients with age-related macular degeneration. Mol Vis. 2011 Jan 10;17:85-98. PMID: 21245959; PMCID: PMC3021575. 3. Huang X, Zhu J, Jiang Y, Xu C, Lv Q, Yu D, Shi K, Ruan Z, Wang Y. SU5416 attenuated lipopolysaccharide-induced acute lung injury in mice by modulating properties of vascular endothelial cells. Drug Des Devel Ther. 2019 May 23;13:1763-1772. doi: 10.2147/DDDT.S188858. PMID: 31213766; PMCID: PMC6536715. 4. Grailer JJ, Steeber DA. Vascular endothelial growth factor receptor inhibitor SU5416 suppresses lymphocyte generation and immune responses in mice by increasing plasma corticosterone. PLoS One. 2013 Sep 16;8(9):e75390. doi: 10.1371/journal.pone.0075390. PMID: 24066177; PMCID: PMC3774642.
In vitro protocol: 1. Mezrich JD, Nguyen LP, Kennedy G, Nukaya M, Fechner JH, Zhang X, Xing Y, Bradfield CA. SU5416, a VEGF receptor inhibitor and ligand of the AHR, represents a new alternative for immunomodulation. PLoS One. 2012;7(9):e44547. doi: 10.1371/journal.pone.0044547. Epub 2012 Sep 6. PMID: 22970246; PMCID: PMC3435281. 2. Thill M, Berna MJ, Kunst F, Wege H, Strunnikova NV, Gordiyenko N, Grierson R, Richard G, Csaky KG. SU5416 induces premature senescence in endothelial progenitor cells from patients with age-related macular degeneration. Mol Vis. 2011 Jan 10;17:85-98. PMID: 21245959; PMCID: PMC3021575.
In vivo protocol: 1. Huang X, Zhu J, Jiang Y, Xu C, Lv Q, Yu D, Shi K, Ruan Z, Wang Y. SU5416 attenuated lipopolysaccharide-induced acute lung injury in mice by modulating properties of vascular endothelial cells. Drug Des Devel Ther. 2019 May 23;13:1763-1772. doi: 10.2147/DDDT.S188858. PMID: 31213766; PMCID: PMC6536715. 2. Grailer JJ, Steeber DA. Vascular endothelial growth factor receptor inhibitor SU5416 suppresses lymphocyte generation and immune responses in mice by increasing plasma corticosterone. PLoS One. 2013 Sep 16;8(9):e75390. doi: 10.1371/journal.pone.0075390. PMID: 24066177; PMCID: PMC3774642.

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1: Yoshizawa Y, Ogawara KI, Fushimi A, Abe S, Ishikawa K, Araki T, Molema G, Kimura T, Higaki K. Deeper Penetration into Tumor Tissues and Enhanced in Vivo Antitumor Activity of Liposomal Paclitaxel by Pretreatment with Angiogenesis Inhibitor SU5416. Mol Pharm. 2012 Nov 14. [Epub ahead of print] PubMed PMID: 23134499.

2: Cui W, Zhang Z, Li W, Mak S, Hu S, Zhang H, Yuan S, Rong J, Choi TC, Lee SM, Han Y. Unexpected neuronal protection of SU5416 against 1-Methyl-4-phenylpyridinium ion-induced toxicity via inhibiting neuronal nitric oxide synthase. PLoS One. 2012;7(9):e46253. doi: 10.1371/journal.pone.0046253. Epub 2012 Sep 25. PubMed PMID: 23049997; PubMed Central PMCID: PMC3457988.

3: Mezrich JD, Nguyen LP, Kennedy G, Nukaya M, Fechner JH, Zhang X, Xing Y, Bradfield CA. SU5416, a VEGF receptor inhibitor and ligand of the AHR, represents a new alternative for immunomodulation. PLoS One. 2012;7(9):e44547. doi: 10.1371/journal.pone.0044547. Epub 2012 Sep 6. PubMed PMID: 22970246; PubMed Central PMCID: PMC3435281.

4: Kim SH, Kang JG, Kim CS, Ihm SH, Choi MG, Yoo HJ, Lee SJ. CCAAT/Enhancer-binding protein-homologous protein sensitizes to SU5416 by modulating p21 and PI3K/Akt signal pathway in FRO anaplastic thyroid carcinoma cells. Horm Metab Res. 2013 Jan;45(1):9-14. doi: 10.1055/s-0032-1323680. Epub 2012 Aug 23. PubMed PMID: 22918703.

5: Lang M, Kojonazarov B, Tian X, Kalymbetov A, Weissmann N, Grimminger F, Kretschmer A, Stasch JP, Seeger W, Ghofrani HA, Schermuly RT. The soluble guanylate cyclase stimulator riociguat ameliorates pulmonary hypertension induced by hypoxia and SU5416 in rats. PLoS One. 2012;7(8):e43433. doi: 10.1371/journal.pone.0043433. Epub 2012 Aug 17. PubMed PMID: 22912874; PubMed Central PMCID: PMC3422306.

6: Mizuno S, Farkas L, Al Husseini A, Farkas D, Gomez-Arroyo J, Kraskauskas D, Nicolls MR, Cool CD, Bogaard HJ, Voelkel NF. Severe pulmonary arterial hypertension induced by SU5416 and ovalbumin immunization. Am J Respir Cell Mol Biol. 2012 Nov;47(5):679-87. doi: 10.1165/rcmb.2012-0077OC. Epub 2012 Jul 27. PubMed PMID: 22842496.

7: Chyou S, Tian S, Ekland EH, Lu TT. Normalization of the lymph node T cell stromal microenvironment in lpr/lpr mice is associated with SU5416-induced reduction in autoantibodies. PLoS One. 2012;7(3):e32828. doi: 10.1371/journal.pone.0032828. Epub 2012 Mar 6. PubMed PMID: 22412930; PubMed Central PMCID: PMC3295768.

8: Ren W, Zhang R, Wu B, Wooley PH, Hawkins M, Markel DC. Effects of SU5416 and a vascular endothelial growth factor neutralizing antibody on wear debris-induced inflammatory osteolysis in a mouse model. J Inflamm Res. 2011;4:29-38. doi: 10.2147/JIR.S16232. Epub 2011 Mar 2. PubMed PMID: 22096367; PubMed Central PMCID: PMC3218747.

9: Keskin U, Totan Y, Karadağ R, Erdurmuş M, Aydın B. Inhibitory effects of SU5416, a selective vascular endothelial growth factor receptor tyrosine kinase inhibitor, on experimental corneal neovascularization. Ophthalmic Res. 2012;47(1):13-8. doi: 10.1159/000324994. Epub 2011 Jun 21. PubMed PMID: 21691137.

10: Mohan N, Karmakar S, Banik NL, Ray SK. SU5416 and EGCG work synergistically and inhibit angiogenic and survival factors and induce cell cycle arrest to promote apoptosis in human malignant neuroblastoma SH-SY5Y and SK-N-BE2 cells. Neurochem Res. 2011 Aug;36(8):1383-96. doi: 10.1007/s11064-011-0463-9. Epub 2011 Apr 7. PubMed PMID: 21472456.