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Chlorpheniramine maleate (NCI-C55265) is a histamine H1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 g | $29 | - | In Stock | |
| 1 mL x 10 mM (in DMSO) | $29 | In Stock | In Stock |
| Description | Chlorpheniramine maleate (NCI-C55265) is a histamine H1 antagonist used in allergic reactions, hay fever, rhinitis, urticaria, and asthma. |
| Targets&IC50 | H1 receptor:12 nM |
| In vitro | Oral administration of Chlorpheniramine (10 mg/kg) can suppress short-term scratching in BALB/c mice experiencing albumin-induced allergic skin irritation and ICR mice injected with histamine subcutaneously. Furthermore, in guinea pigs induced with histamine (ED50=0.17 mg/kg), oral intake of Chlorpheniramine prevents mortality. In rats, a dosage of Chlorpheniramine (20 mg/kg) is capable of blocking the histamine or cholinergic mechanisms that induce rapid eye movement (REM) sleep. |
| In vivo | Chlorpheniramine inhibits the binding of [3H] mepyramine to guinea pig cortical histamine H1 receptors (IC50=8.8 nM). It reduces ornithine decarboxylase mRNA translation in MCF-7, MDA-MB 231, and Ehrlich cells at a concentration of 250 μM, subsequently inhibiting cell proliferation. Chlorpheniramine displays antimalarial activity against Chloroquine-Sensitive (CQS) Plasmodium falciparum strain D6 (IC50=61.2uM) and Multidrug-Resistant (MDR) strain Dd2 (IC50=3.9uM). Furthermore, it exhibits cytotoxicity in mouse splenic lymphocytes induced by Concanavalin A (IC50=33.4 μM). |
| Kinase Assay | H1-Antihistaminic Activity: The segments (1 cm) of isolated ileum from guinea pigs are suspended in an organ bath containing Tyrode solution (ventilation, 32 °C). The contractile responses to histamine (0.54 μM) are measured with an isotonic transducer. A set concentration of Chlorpheniramine is added in the organ bath 5 minutes before the addition of histamine. IC50 value of Chlorpheniramine is calculated by the probit methond. |
| Cell Research | Cells are exposed to various concentrations of Chlorpheniramine for 48 hours. Cells are washed, detached, and counted with a Coulter counter for the determination of cell growth.(Only for Reference) |
| Synonyms | NCI-C55265, Chlorphenamine maleate |
| Molecular Weight | 390.87 |
| Formula | C20H23ClN2O4 |
| Cas No. | 113-92-8 |
| Smiles | OC(=O)\C=C/C(O)=O.CN(C)CCC(C1=CC=C(Cl)C=C1)C1=NC=CC=C1 |
| Relative Density. | 1.107 g/cm3 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | H2O: 50 mg/mL (127.92 mM), Sonication is recommended. DMSO: 100 mg/mL (255.84 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 4 mg/mL (10.23 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
H2O/DMSO
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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