Sulfaphenazole
Based on 14 publication(s) in Google Scholar
Sulfaphenazole is a selective inhibitor of human cytochrome P450 (CYP) 2C9 enzyme. Sulfaphenazole is a cytoprotective agent against light-induced death of photoreceptors. Sulfaphenazole inhibits light-induced necrosis and mitochondrial stress-initiated apoptosis. Sulfaphenazole is an off patent sulfonamide antibiotic and demonstrates bactericidal activity through enhanced M1 macrophage activity. Sulfaphenazole can significantly reduce infarct size and restore post-ischemic coronary flow following ischemia and reperfusion.
For research use only. We do not sell to patients.
- Purity: 99.85%
- CAS No.: 526-08-9
- Formula: C15H14N4O2S
- Molecular Weight:314.36
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
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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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Publications Citing Use of MedChemExpress (MCE) Sulfaphenazole
More- Carbohydr Polym. 2021 Feb 1;253:117255. [Abstract]
- Chemosphere. 2021 Dec:284:131347. [Abstract]
- ACS Environ Au. 2025 Aug 5;5(6):573-582. [Abstract]
- Environ Pollut. 2026 May 1:396:127849. [Abstract]
- Environ Pollut. 2024 May 25:124214. [Abstract]
- Anal Chem. 2025 Nov 18;97(45):25158-25167. [Abstract]
- Anal Chem. 2025 Jun 3;97(21):11099-11109. [Abstract]
- J Agric Food Chem. 2019 Jul 24;67(29):8243-8252. [Abstract]
- J Agric Food Chem. 2019 Apr 17;67(15):4328-4336. [Abstract]
- ACS Appl Nano Mater. July 1, 2022.
- J Ethnopharmacol. 2019 May 10:235:309-319. [Abstract]
- Chem Res Toxicol. 2019 Oct;18(4):3025-3031. [Abstract]
- AAPS J. 2021 Jun 28;23(4):91. [Abstract]
- Food Chem Toxicol. 2022 Nov:169:113431. [Abstract]
All Antibiotic Isoforms
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Biological Activity
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CYP2C9 |
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Cell Line
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Type | Value | Description | References |
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| Vero | IC50 |
>64 μg/mL
Compound: SPA
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Cytotoxicity against African green monkey Vero cells assessed as reduction in cell viability
Cytotoxicity against African green monkey Vero cells assessed as reduction in cell viability
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[PMID: 33705901] |
Sulfaphenazole (10 μM; for 1 h) causes the numbers of light-induced apoptotic and necrotic cells decreased by 33 and 44%, respectively[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:661W cells
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Concentration:10 μM
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Incubation Time:For 1 h at 37 °C followed by light exposure for 2-3 h
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Result:The numbers of light-induced apoptotic and necrotic cells were decreased by 33 and 44%, respectively.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:Diabetic male mice (db/db strain)[2]
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Dosage:5.13 mg/kg
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Administration:Intraperitoneal injections; daily; for 8 weeks
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Result:Although sulfaphenazole did not change endothelium-dependent vasodilation in control mice, it restored endothelium-mediated relaxation in db/db mice.
Chemical Information
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CAS No. 526-08-9
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Appearance Solid
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Molecular Weight 314.36
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Formula C15H14N4O2S
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Color White to yellow
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SMILES
O=S(C1=CC=C(N)C=C1)(NC2=CC=NN2C3=CC=CC=C3)=O
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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 2 years -20°C 1 year
Publications (14)
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Journal Impact Factor
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Most Recent
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Carbohydr Polym
Metabolic degradation of lentinan in liver mediated by CYP450 enzymes and epoxide hydrolase. [Abstract]2021 Feb 1;253:117255. PMID: 33279005 -
Chemosphere
A proposed "steric-like effect" for the slowdown of enrofloxacin antibiotic metabolism by ciprofloxacin, and its mechanism. [Abstract]2021 Dec:284:131347. PMID: 34323809 -
ACS Environ Au
Machine Learning-Assisted Recognition of Environmental Sulfur-Containing Chemicals in Nontargeted Mass Spectrometry Analysis of Inadequate Mass Resolution. [Abstract]2025 Aug 5;5(6):573-582. PMID: 41277996 -
Environ Pollut
Enantioselective metabolic mechanism and metabolism pathway of tetraconazole in human liver microsomes: In vitro and in silico study. [Abstract]2026 May 1:396:127849. PMID: 41720237 -
Environ Pollut
Assessing environmental and human health risks: Insight from the enantioselective metabolism and degradation of fenpropidin. [Abstract]2024 May 25:124214. PMID: 38801883 -
Anal Chem
A Computational Integration Strategy Driven by Chemical Similarity Uncovers Comprehensive Metabolic Profiles of Small Bioactive Peptides via UHPLC-HRMS for Doping Control. [Abstract]2025 Nov 18;97(45):25158-25167. PMID: 41202118 -
Anal Chem
Exposome-Scale Investigation of Cl-/Br-Containing Chemicals Using High-Resolution Mass Spectrometry, Multistage Machine Learning, and Cloud Computing. [Abstract]2025 Jun 3;97(21):11099-11109. PMID: 40401576 -
J Agric Food Chem
2019 Jul 24;67(29):8243-8252. PMID: 31271289 -
J Agric Food Chem
2019 Apr 17;67(15):4328-4336. PMID: 30912427 -
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J Ethnopharmacol
Tenacigenin B ester derivatives from Marsdenia tenacissima actively inhibited CYP3A4 and enhanced in vivo antitumor activity of paclitaxel. [Abstract]2019 May 10:235:309-319. PMID: 30772481 -
Chem Res Toxicol
miR-370 inhibits the oxidative stress and apoptosis of cardiac myocytes induced by hydrogen peroxide by targeting FOXO1. [Abstract]2019 Oct;18(4):3025-3031. PMID: 31555385 -
AAPS J
Cannabinoid Interactions with Cytochrome P450 Drug Metabolism: a Full-Spectrum Characterization. [Abstract]2021 Jun 28;23(4):91. PMID: 34181150 -
Food Chem Toxicol
The "steric-like" inhibitory effect and mechanism of doxycycline on florfenicol metabolism: Interaction risk. [Abstract]2022 Nov:169:113431. PMID: 36116547
Solvent & Solubility
DMSO : ≥ 100 mg/mL (318.11 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
* "≥" means soluble, but saturation unknown.
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
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: ≥ 2.08 mg/mL (6.62 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (6.62 mM); Clear solution
This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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 (282 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)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
References
[1]. Qing Chang, et al. Cytochrome P450 2C epoxygenases mediate photochemical stress-induced death of photoreceptors. J Biol Chem. 2014 Mar 21;289(12):8337-52. [Content Brief]
[2]. Shahrzad Elmi, et al. Sulfaphenazole treatment restores endothelium-dependent vasodilation in diabetic mice. Vascul Pharmacol. 2008 Jan;48(1):1-8. [Content Brief]
[3]. Christopher T Turner, et al. Sulfaphenazole reduces thermal and pressure injury severity through rapid restoration of tissue perfusion. Sci Rep. 2022 Jul 23;12(1):12622. [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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 3.1811 mL | 15.9053 mL | 31.8107 mL | 79.5267 mL |
| 5 mM | 0.6362 mL | 3.1811 mL | 6.3621 mL | 15.9053 mL | |
| 10 mM | 0.3181 mL | 1.5905 mL | 3.1811 mL | 7.9527 mL | |
| 15 mM | 0.2121 mL | 1.0604 mL | 2.1207 mL | 5.3018 mL | |
| 20 mM | 0.1591 mL | 0.7953 mL | 1.5905 mL | 3.9763 mL | |
| 25 mM | 0.1272 mL | 0.6362 mL | 1.2724 mL | 3.1811 mL | |
| 30 mM | 0.1060 mL | 0.5302 mL | 1.0604 mL | 2.6509 mL | |
| 40 mM | 0.0795 mL | 0.3976 mL | 0.7953 mL | 1.9882 mL | |
| 50 mM | 0.0636 mL | 0.3181 mL | 0.6362 mL | 1.5905 mL | |
| 60 mM | 0.0530 mL | 0.2651 mL | 0.5302 mL | 1.3254 mL | |
| 80 mM | 0.0398 mL | 0.1988 mL | 0.3976 mL | 0.9941 mL | |
| 100 mM | 0.0318 mL | 0.1591 mL | 0.3181 mL | 0.7953 mL |
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