4-Quinolinol
Based on 1 Customer Validation
4-Quinolone (Kynurine) is a quinoline derivative. Kynurine pathway modulates tryptophan metabolism and involves in neuroprotective effect. Kynurine promotes tumor cell survival and motility by suppressing antitumor immune.
For research use only. We do not sell to patients.
- Purity: 99.93%
- CAS No.: 611-36-9
- Formula: C9H7NO
- Molecular Weight:145.16
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Storage: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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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
4-Quinolone (Kynurine) promotes tumor cell survival and motility by suppressing antitumor immune responses through AhR in an autocrine/paracrine fashion. This system is particularly active in human brain tumors where the activation of AhR enhances the expression of TDO producing more kynurine and kynurinic acid. In the healthy human brain, very low levels of TDO exist, whereas, in human brain tumors, the TDO protein levels increase with malignancy[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 611-36-9
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Appearance Solid
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Molecular Weight 145.16
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Formula C9H7NO
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Color Off-white to light brown
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SMILES
OC1=CC=NC2=CC=CC=C12
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Synonyms
Kynurine
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Structure Classification
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Initial Source
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
DMSO : 100 mg/mL (688.90 mM; Need ultrasonic; 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 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (17.22 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 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (17.22 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.
Purity & Documentation
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Data Sheet (279 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
References
[1]. Pellicciari R, et al. Modulation of the kynurine pathway of tryptophan metabolism in search for neuroprotective agents. Focus on kynurenine-3-hydroxylase. Adv Exp Med Biol. 2003;527:621-8. [Content Brief]
[3]. Opitz CA, et al. An endogenous tumour-promoting ligand of the human aryl hydrocarbon receptor. Nature. 2011 Oct 5;478(7368):197-203. [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 | 6.8889 mL | 34.4447 mL | 68.8895 mL | 172.2237 mL |
| 5 mM | 1.3778 mL | 6.8889 mL | 13.7779 mL | 34.4447 mL | |
| 10 mM | 0.6889 mL | 3.4445 mL | 6.8889 mL | 17.2224 mL | |
| 15 mM | 0.4593 mL | 2.2963 mL | 4.5926 mL | 11.4816 mL | |
| 20 mM | 0.3444 mL | 1.7222 mL | 3.4445 mL | 8.6112 mL | |
| 25 mM | 0.2756 mL | 1.3778 mL | 2.7556 mL | 6.8889 mL | |
| 30 mM | 0.2296 mL | 1.1482 mL | 2.2963 mL | 5.7408 mL | |
| 40 mM | 0.1722 mL | 0.8611 mL | 1.7222 mL | 4.3056 mL | |
| 50 mM | 0.1378 mL | 0.6889 mL | 1.3778 mL | 3.4445 mL | |
| 60 mM | 0.1148 mL | 0.5741 mL | 1.1482 mL | 2.8704 mL | |
| 80 mM | 0.0861 mL | 0.4306 mL | 0.8611 mL | 2.1528 mL | |
| 100 mM | 0.0689 mL | 0.3444 mL | 0.6889 mL | 1.7222 mL |
4-Quinolinol Related Classifications
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