4-Aminobenzoic acid
Based on 1 publication(s) in Google Scholar
4-Aminobenzoic acid is an intermediate in the synthesis of folic acid by bacteria, plants and fungi. 4-Aminobenzoic acid has antibacterial and plant growth regulating properties.
For research use only. We do not sell to patients.
- Purity: 99.93%
- CAS No.: 150-13-0
- Formula: C7H7NO2
- Molecular Weight:137.14
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Storage:
Store at room temperature 3 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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Publications Citing Use of MedChemExpress (MCE) 4-Aminobenzoic acid
MoreAll Endogenous Metabolite Isoforms
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Biological Activity
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Microbial Metabolite |
Human Endogenous Metabolite |
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| HepG2 | IC50 |
>1000 μM
Compound: PABA
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Cytotoxicity against human HepG2 cells assessed as inhibition of cell viability
Cytotoxicity against human HepG2 cells assessed as inhibition of cell viability
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[PMID: 37423128] |
4-Aminobenzoic acid shows a direct antibacterial activity against Listeria monocytogenes, Salmonella enteritidis and E. coli, with MICs ranged from 9-24 mmol[2].
4-Aminobenzoic acid has been utilized as active constituents in sunscreens to protect against UVB irradiation, i.e., scavengers of reactive oxygen species[2].
4-Aminobenzoic acid (0.02-2 mM) displays the promotion of resistance against plant bacterial and viral pathogens and plant growth modulator properties[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 150-13-0
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Appearance Solid
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Molecular Weight 137.14
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Formula C7H7NO2
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Color Off-white to light brown
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SMILES
O=C(O)C1=CC=C(N)C=C1
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Synonyms
PABA; p-Aminobenzoic acid
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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
Store at room temperature 3 years
In solvent -80°C 2 years -20°C 1 year
Publications (1)
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Journal Impact Factor
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Most Recent
Solvent & Solubility
DMSO : 75 mg/mL (546.89 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
H2O : 4.55 mg/mL (33.18 mM; Need ultrasonic)
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.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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 (18.23 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 (18.23 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.
For the following dissolution methods, please prepare the working solution directly:
It is recommended to prepare fresh solutions and use them promptly within a short period of time.
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: PBS
Solubility: 4.17 mg/mL (30.41 mM); Clear solution; Need ultrasonic and warming and heat to 60°C
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 (273 KB)
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SDS (393 KB)
- English - EN (393 KB)
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- 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
[2]. Krátký M, et al. 4-Aminobenzoic Acid Derivatives: Converting Folate Precursor to Antimicrobial and Cytotoxic Agents. Biomolecules. 2019 Dec 19;10(1):9. [Content Brief]
[3]. Crisan ME, et al. Synthesis, crystal structure and biological activity of 2-hydroxyethylammonium salt of p-aminobenzoic acid. PLoS One. 2014 Jul 23;9(7):e101892. [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 |
|---|---|---|---|---|---|
| H2O / DMSO | 1 mM | 7.2918 mL | 36.4591 mL | 72.9182 mL | 182.2955 mL |
| 5 mM | 1.4584 mL | 7.2918 mL | 14.5836 mL | 36.4591 mL | |
| 10 mM | 0.7292 mL | 3.6459 mL | 7.2918 mL | 18.2295 mL | |
| 15 mM | 0.4861 mL | 2.4306 mL | 4.8612 mL | 12.1530 mL | |
| 20 mM | 0.3646 mL | 1.8230 mL | 3.6459 mL | 9.1148 mL | |
| 25 mM | 0.2917 mL | 1.4584 mL | 2.9167 mL | 7.2918 mL | |
| 30 mM | 0.2431 mL | 1.2153 mL | 2.4306 mL | 6.0765 mL | |
| DMSO | 40 mM | 0.1823 mL | 0.9115 mL | 1.8230 mL | 4.5574 mL |
| 50 mM | 0.1458 mL | 0.7292 mL | 1.4584 mL | 3.6459 mL | |
| 60 mM | 0.1215 mL | 0.6077 mL | 1.2153 mL | 3.0383 mL | |
| 80 mM | 0.0911 mL | 0.4557 mL | 0.9115 mL | 2.2787 mL | |
| 100 mM | 0.0729 mL | 0.3646 mL | 0.7292 mL | 1.8230 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
4-Aminobenzoic acid Related Classifications
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