L-DABA hydrobromide
Based on 2 publication(s) in Google Scholar
L-DABA (L-2,4-Diaminobutyric acid) hydrobromide is a week GABA transaminase inhibitor with an IC50 of larger than 500 μM; exhibits antitumor activity in vivo and in vitro.
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- Reinheit: 98.0%
- CAS. Nr.: 73143-97-2
- Formel: C4H11BrN2O2
- Molecular Weight:199.05
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Speicherung:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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Publications Citing Use of MedChemExpress (MCE) L-DABA hydrobromide
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Biologische Aktivität
IC50: larger than 500 μM (GABA transaminase)[1]
The tumor cells are irreversibly and totally damaged by incubation with 10 mM L-2,4-Diaminobutyric acid for 24 h at 37°C. The cell-destructive effect by L-DABA hydrobromide is probably due to an osmotic lysis induced by the non-saturated intracellular accumulation of L-DABA hydrobromide. The harmful effect of L-DABA hydrobromide could be abolished by concomitant incubation with L-alanine and L-methionine[1]. Kinetic studies indicates that L-DABA hydrobromide is a non-linear, non-competitive inhibitor of GABA transaminase activity. The L-DABA hydrobromide-induced elevation of GABA levels parallels the inhibition of GABA transaminase activity[2]. L-2,4-Diaminobutyric acid, an amino acid analogue, produceS a cytolytic effect with a human glioma cell line, SKMG-1, and normal human fibroblasts. The concentrations of L-DABA hydrobromide necessary to reduce the cell count to 50% of control following a 24-h incubation at 37°C are 12.5 mM for the human fibroblasts and 20 mM for the glioma cell line[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS. Nr. 73143-97-2
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Appearance Solid
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Molecular Weight 199.05
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Formel C4H11BrN2O2
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Color White to off-white
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SMILES
NCC[C@H](N)C(O)=O.[H]Br
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Synonyms
L-2,4-Diaminobutyric acid hydrobromide
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Structure Classification
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Initial Source
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications (2)
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Journal Impact Factor
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Most Recent
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Nature
2025 Jul;643(8070):192-200. PMID: 39695227 -
Ann Bot
Integrated LC/MS-MS approaches reveal toxicity differences across seed layers of Cycas angulata. [Abstract]2026 Jun 17:mcag169. PMID: 42308138
Lösungsmittel & Löslichkeit
H2O : 33.33 mg/mL (167.45 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, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* 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, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* 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.
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)
Reinheit & Dokumentation
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Data Sheet (272 KB)
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SDS (394 KB)
- English - EN (394 KB)
- Français - FR (394 KB)
- Deutsch - DE (394 KB)
- Norwegian - NO (394 KB)
- Español - ES (394 KB)
- Swedish - SV (394 KB)
- Italian - IT (394 KB)
- Korean - KR (394 KB)
- Portuguese - PT (394 KB)
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Handling Instructions (2659 KB)
Verweise
[1]. Ronquist G, et al. Antitumor activity of L-2,4 diaminobuturic acid against mouse fibrosarcoma cells in vitro and in vivo. J Cancer Res Clin Oncol. 1980;96(3):259-68. [Content Brief]
[2]. Beart PM, et al. l-2,4-Diaminobutyric acid and the GABA system. Neurosci Lett. 1977 Jul;5(3-4):193-8. [Content Brief]
[3]. Panasci L, et al. The cytolytic effect of L-2,4 diaminobutyric acid with malignant glioma cells and fibroblasts. Cancer Chemother Pharmacol. 1988;21(2):143-4. [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 (sealed storage, away from moisture). 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 |
|---|---|---|---|---|---|
| H2O | 1 mM | 5.0239 mL | 25.1193 mL | 50.2386 mL | 125.5966 mL |
| 5 mM | 1.0048 mL | 5.0239 mL | 10.0477 mL | 25.1193 mL | |
| 10 mM | 0.5024 mL | 2.5119 mL | 5.0239 mL | 12.5597 mL | |
| 15 mM | 0.3349 mL | 1.6746 mL | 3.3492 mL | 8.3731 mL | |
| 20 mM | 0.2512 mL | 1.2560 mL | 2.5119 mL | 6.2798 mL | |
| 25 mM | 0.2010 mL | 1.0048 mL | 2.0095 mL | 5.0239 mL | |
| 30 mM | 0.1675 mL | 0.8373 mL | 1.6746 mL | 4.1866 mL | |
| 40 mM | 0.1256 mL | 0.6280 mL | 1.2560 mL | 3.1399 mL | |
| 50 mM | 0.1005 mL | 0.5024 mL | 1.0048 mL | 2.5119 mL | |
| 60 mM | 0.0837 mL | 0.4187 mL | 0.8373 mL | 2.0933 mL | |
| 80 mM | 0.0628 mL | 0.3140 mL | 0.6280 mL | 1.5700 mL | |
| 100 mM | 0.0502 mL | 0.2512 mL | 0.5024 mL | 1.2560 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.
L-DABA hydrobromide Related Classifications
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