5.33575

Rigosertib

• Synonym(s): Rigosertib, Sodium ( E)-2-(2-methoxy-5-((2,4,6-trimethoxystyrylsulfonyl)methyl)phenylamino)acetate, ON01910, Na, Estybon
• Empirical Formula (Hill Notation): C₂₁H₂₄NNaO₈S
• CAS Number: 592542-60-4
• Molecular Weight: 473.47
• UNSPSC Code: 12352200

Properties

• Assay: ≥98% (HPLC)
• Quality Level: 100
• form: solid
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze; protect from light
• color: off-white
• solubility: DMSO: 50 mg/mL
• storage temp.: 2-8°C
• InChI: 1S/C21H25NO8S.Na/c1-27-15-10-19(29-3)16(20(11-15)30-4)7-8-31(25,26)13-14-5-6-18(28-2)17(9-14)22-12-21(23)24;/h5-11,22H,12-13H2,1-4H3,(H,23,24);/q;+1/p-1/b8-7+;
• InChI key: VLQLUZFVFXYXQE-USRGLUTNSA-M

Description

General description

A cell-permeable, nontoxic benzylstyrylsulfone based compound with anti-tumor and radiosensitizing properties. Potently suppresses PI 3-K/Akt/mTOR signaling pathway and activates Cdc25C phosphatases. Acts as an allosteric, substrate-competitive, and reversible inhibitor of multiple protein kinases (IC₅₀ = 32, 42, 182, 18 and 155 nM against Bcr-Abl, Flt1, Fyn, PDGFR, and Src, respectively). Induces DNA damage and blocks microtubule formation. Also shown to cause mitotic arrest and apoptosis in multiple types of cancer cells (GI₅₀ = 30 - 200 nM) and blocks cell cycle at G2/M phase. Effective against several multi-drug resistance tumor cells (IC₅₀ = 50-100 nM). Suppresses the growth of BT20 tumor xenografts in mice and improves their survival rate (200 mg/kg, i.v. Q2D X 20 schedule). However, it displays limited oral bioavailability.

A cell-permeable, nontoxic benzylstyrylsulfone based compound with anti-tumor and radiosensitizing properties. Potently suppresses PI 3-K/Akt/mTOR signaling pathway and activates Cdc25C phosphatases. Acts as an allosteric, substrate-competitive, and reversible inhibitor of multiple protein kinases (IC₅₀ = 32, 42, 182, 18 and 155 nM against Bcr-Abl, Flt1, Fyn, PDGFR, and Src, respectively). Induces DNA damage and blocks microtubule formation. Also shown to cause mitotic arrest and apoptosis in multiple types of cancer cells (GI₅₀ = 30-200 nM) and blocks cell cycle at G2/M phase. Effective against several multi-drug resistance tumor cells (IC₅₀ = 50-100 nM). Suppresses the growth of BT20 tumor xenografts in mice and improves their survival rate (200 mg/kg, i.v. Q2D X 20 schedule). However, it displays limited oral bioavailability.

Please note that the molecular weight for this compound is batch-specific due to variable water content. Please refer to the vial label or the certificate of analysis for the batch-specific molecular weight. The molecular weight provided represents the baseline molecular weight without water.

Rigosertib, CAS 592542-60-4, is a cell-permeable, potent suppressor of PI 3-K/Akt/mTOR signaling. Allosterically inhibits several key protein kinases that are over active in many cancer cells.

Biochem/physiol Actions

Cell permeable: yes

Primary Target
PI 3-K/Akt/mTOR signaling

Target IC₅₀: 32, 42, 182, 18 and 155 nM against Bcr-Abl, Flt1, Fyn, PDGFR, and Src, respectively

Warning

Toxicity: Standard Handling (A)

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Lu, T., et al. 2015. Mol. Pharmacol.87, 18.
Ramana Reddy, M.V., et al. 2011. J. Med. Chem.54, 6254.
Gumireddy, K., et al. 2005. Cancer Cell7, 275.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable