RK33 NEW
| Price | $48 | $73 | $147 |
| Package | 5mg | 10mg | 25mg |
| Supply Ability: | 10g |
| Update Time: | 2026-06-02 |
Product Details
| Product Name: RK33 | CAS No.: 1070773-09-9 |
| Purity: 99.72% | Supply Ability: 10g |
| Release date: 2026/06/02 |
Product Introduction
Bioactivity
| Name | RK33 |
| Description | RK33 (RK 33) is a first-in-class small molecule inhibitor of DDX3 (a RNA helicase) and causes G1 cell cycle arrest, induces apoptosis, and promotes radiation sensitization in DDX3-overexpressing cells. |
| Cell Research | Healthy, 60-70% confluent MDA-MB-231 cells are transduced with shDDX3 lentivirus particles. Knockdown of DDX3 expression is confirmed both by qRT-PCR and immunoblotting. MDA-MB-231 cells are treated with RK-33 (7.5 μM) for 12 h and harvested for RNA. Microarray experiments are performed.(Only for Reference) |
| In vitro | RK-33 binds specifically to DDX3, but not to the closely related proteins DDX5 and DDX17. RK-33 inhibits cancer growth and radiosensitizes lung cancer cells in a DDX3-dependent manner. RK-33 has no effect on either mitochondrial respiration or ATP generation. RK-33 curbs proliferation and induces apoptosis in a DDX3-dependent fashion. Wnt signaling is mediated by DDX3 and inhibited by RK-33. RK-33 impairs radiation-induced DNA damage repair by inhibiting NHEJ activity[1]. |
| In vivo | RK-33 in combination with radiation induces tumor regression in multiple mouse models of lung cancer. RK-33, at the dose used, is non-toxic in SCID mice. RK-33-treated mice do not exhibit any discernable morphological changes[1]. |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | 10% DMSO+40% PEG300+5% Tween 80+45% Saline : 2.5 mg/mL (5.84 mM), Suspension. H2O : < 1 mg/mL (insoluble or slightly soluble) Ethanol : < 1 mg/mL (insoluble or slightly soluble) 10% DMSO+90% Saline : < 2.5 mg/mL (5.84 mM), Lower concentrations may be soluble, but exact solubility limit is unknown. DMSO : 25 mg/mL (58.35 mM), Sonication is recommended. |
| Keywords | RK33 | DDX3 |
| Inhibitors Related | 5-Fluorouracil | Acetaminophen | Guanidine hydrochloride | Hydroxychloroquine | 1,4-Naphthoquinone | Adenine | Carbazole | Indomethacin | Thymidine | Trometamol | Usnic Acid | Magnesium sulfate |
| Related Compound Libraries | Apoptosis Compound Library | Nonsteroidal Anti-Inflammatory Compound Library | DNA Damage & Repair Compound Library | Pain-Related Compound Library | Bioactive Compound Library | Neuronal Signaling Compound Library | Anti-Viral Compound Library | Inhibitor Library | NO PAINS Compound Library | Immunology/Inflammation Compound Library | Anti-Aging Compound Library | Bioactive Compounds Library Max |
Company Profile Introduction
Target Molecule Corp. (TargetMol) is a global high-tech enterprise, headquartered in Boston, MA, specializing in chemical and biological research product and service to meet the research needs of global customers.
TargetMol has evolved into one of the biggest global compound library and small molecule suppliers and a customer based on 40+ countries. TargetMol offers over 80 types of compound libraries and a wide range of high-quality research chemicals including inhibitors, activator, natural compounds, peptides, inhibitory antibodies, and novel life-science kits, for laboratory and scientific use. Besides, virtual screening service is also available for customers who would like to conduct the computer-aided drug discovery.
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