Repirinast
Based on 1 Customer Validation
Repirinast (MY-5116) is an orally active anti-allergic agent. Repirinast inhibits histamine release. Repirinast can be used in the research of bronchial asthma.
Nos produits utilisent uniquement pour la recherche. Nous ne vendons pas aux patients.
- Pureté: 95.0%
- CAS No.: 73080-51-0
- Formule: C20H21NO5
- Masse moléculaire:355.38
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Stockage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Activité biologique
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Chemical Information
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Solvant et solubilité
- Pureté et documentation
- Références
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Help & FAQs
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Voir tous les produits spécifiques à Isoform Histamine Receptor
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Activité biologique
Repirinast inhibits histamine release from rat peritoneal mast cells induced by antigen (IC50: 0.3 μM)[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Repirinast (30 mg/kg, p.o.) inhibits antigen-induced immediate bronchoconstriction in rats[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Guinea pigs[1]
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Dosage:30 mg/kg
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Administration:Intraperitoneal injection (i.p.)
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Result:Inhibited leukocyte (predominantly eosinophils) infiltration into bronchial tissue.
Blocked antigen-induced airway hyperresponsiveness to inhaled Acetylcholine.
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Animal Model:Rat with asthma (challenged with 10 mg/kg antigen OVA)[1]
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Dosage:30 mg/kg
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Administration:Oral administration (p.o.)
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Result:Inhibited the decreases in the number Of breath at 30 sec and 1 min after challenge.
Chemical Information
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CAS No. 73080-51-0
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Appearance Solid
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Masse moléculaire 355.38
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Formule C20H21NO5
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Color White to off-white
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SMILES
O=C(C(O1)=CC(C2=C1C3=C(NC2=O)C(C)=C(C)C=C3)=O)OCCC(C)C
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Synonyms
MY-5116
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Livraison
Room temperature in continental US; may vary elsewhere.
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Stockage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvant et solubilité
DMSO : 5 mg/mL (14.07 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)
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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (7.03 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Pureté et documentation
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Fiche technique (275 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Instruction de manipulation (2659 KB)
Références
[1]. N Yamada, et al. Repirinast inhibits antigen-induced early and late pulmonary responses and airway hyperresponsiveness in guinea pigs. Int Arch Allergy Immunol. 1993;100(4):367-72. [Content Brief]
[2]. Takahashi K. Effects of MY-5116 on experimental asthma in rats and guinea pigs. Arerugi. 1986 Oct; 35(10): 1037-46. [Content Brief]
[3]. M Takei, et al. Inhibition of histamine release from rat peritoneal mast cells by MY-1250, an active metabolite of Repirinast (MY-5116). Int Arch Allergy Appl Immunol. 1990;93(2-3):237-41. [Content Brief]
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. 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 | 2.8139 mL | 14.0694 mL | 28.1389 mL | 70.3472 mL |
| 5 mM | 0.5628 mL | 2.8139 mL | 5.6278 mL | 14.0694 mL | |
| 10 mM | 0.2814 mL | 1.4069 mL | 2.8139 mL | 7.0347 mL |
Repirinast Related Classifications
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