1. Cell Cycle/DNA Damage Apoptosis
  2. Telomerase Apoptosis
  3. RHPS4

RHPS4 is a potent telomerase inhibitor (IC50 = 0.33 μM). RHPS4 is a DNA damage inducer.

For research use only. We do not sell to patients.

RHPS4 Chemical Structure

RHPS4 Chemical Structure

CAS No. : 390362-78-4

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Based on 1 publication(s) in Google Scholar

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Description

RHPS4 is a potent telomerase inhibitor (IC50 = 0.33 μM). RHPS4 is a DNA damage inducer[1][2].

IC50 & Target

IC50: 0.33 μM (telomerase in the TRAP assay)[1].

In Vitro

RHPS4 could sensitize tumor cells to anticancer agents that act via disparate mechanisms[1].
RHPS4 (0.5-1 μM, 15 days) induces a senescent-like growth arrest in MCF-7 cells[1].
RHPS4 (1 μM, 4 days) induces phosphorylation of H2AX in transformed and tumor cells[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Proliferation Assay[1]

Cell Line: MCF-7, MCF-7 vector control, and MCF-7 c81 cells.
Concentration: 0, 0.2, 0.5, or 1 μM.
Incubation Time: 7 days.
Result: Inhibited cell proliferation.
In Vivo

RHPS4 (15 mg/kg, iv, 15 days) treatment produces a marked inhibition of tumor weight (tumor weight inhibition [TWI] about 80%; P < 0.001) in a very short time, and this effect persists for at least 30 days. A complete tumor response is observed in 80% of mice, and 40% are cured[2].
In all the other tumor xenografts, RHPS4 treatment produces about 50% (P < 0.001) TWI at the nadir of the effect and, more important, results in a delay of tumor growth of about 15 (M14 and PC3) and 10 (HT29 and H460) days[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: CD-1 male nude (nu/nu) mice, 6–8 weeks old and weighing 22-24 g (H460, CG5 and HT29, PC3 and M14 cancer models)[2].
Dosage: 15 mg/kg.
Administration: IV, daily for 15 consecutive days.
Result: Active as a single agent on all the tumors analyzed. CG5 breast xenografts resulted in the most sensitive tumor.
Molecular Weight

458.48

Formula

C23H20F2N2O4S

CAS No.
Appearance

Solid

Color

Brown to reddish brown

SMILES

O=S([O-])(OC)=O.FC1=CC=C2C(C3=[N+](C)C4=C(C=C(C=C4)F)C5=C3C(N2C)=CC(C)=C5)=C1

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : 1 mg/mL (2.18 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1811 mL 10.9056 mL 21.8112 mL
5 mM --- --- ---
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Working solution concentration: mg/mL
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.1811 mL 10.9056 mL 21.8112 mL 54.5280 mL
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RHPS4 Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
RHPS4
Cat. No.:
HY-101089
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