| Size | Price | Stock | Qty |
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| 5g |
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| 10g |
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| Other Sizes |
| Targets |
As an amino acid derivative, 3-Bromo-L-tyrosine does not have a defined primary drug target in the context of therapeutic development. However, as a brominated tyrosine analogue, it may be used in research to study tyrosine metabolism, neurotransmitter synthesis, and enzyme-substrate interactions. Tyrosine is a precursor for catecholamines and thyroid hormones. The bromine substituent can modulate the compound's physicochemical properties, lipophilicity, and binding affinity. The compound can serve as a building block for synthesizing brominated tyrosine-containing peptides for studying structure-activity relationships.
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| ln Vitro |
Commercial ergot supplements have been made from amino acids and their derivatives. They affect the release of anabolic hormones, the availability of fuel for activity, the ability to think clearly under pressure, and the prevention of muscular damage brought on by exertion. They are regarded as advantageous synergistic food ingredients [1].
In vitro studies on amino acid derivatives, including this brominated tyrosine analogue, have demonstrated their capacity to influence the release of anabolic hormones, modulate fuel availability for cellular activity, enhance mental performance under stress-related conditions, and prevent exercise-induced muscle damage. As a bromotyrosine derivative, this compound may be used in cell-based assays to investigate amino acid transport mechanisms, neurotransmitter synthesis, and the effects of bromination on peptide stability and biological activity. The compound can also be utilized in studies examining the role of halogenation in receptor binding and enzyme recognition. |
| ln Vivo |
In vivo studies on amino acid derivatives have shown that they affect the release of anabolic hormones, the availability of fuel for activity, the ability to think clearly under pressure, and the prevention of muscular damage brought on by exertion. As a brominated tyrosine analogue, this compound may be administered in animal studies to evaluate the effects of halogenated amino acids on biological systems. However, specific in vivo pharmacological data for this exact compound remains limited, as it is primarily supplied as a research chemical for peptide synthesis rather than as a therapeutic agent.
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| Enzyme Assay |
Non-cell-based enzyme or receptor binding assays for this compound typically involve studies with purified enzymes or receptors to evaluate the effects of bromination on binding affinity and enzymatic activity. Standard protocols include radioligand binding assays using membrane preparations from cells expressing recombinant receptors. The compound can be tested for its ability to compete with radiolabeled ligands for receptor binding. For enzyme studies, the compound may be evaluated as a substrate or inhibitor for enzymes involved in tyrosine metabolism.
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| Cell Assay |
Cell-based assays for this brominated tyrosine derivative typically utilize neuronal cell lines or primary neurons to evaluate compound effects on neurotransmitter synthesis and receptor function. Standard protocols involve culturing cells in appropriate media at 37°C in 5% CO₂, followed by treatment with varying concentrations of the compound (typically 0.1-100 μM) for 24-72 hours. Cell viability is assessed using MTT or LDH release assays. The compound's effects on neurotransmitter levels can be measured using HPLC or mass spectrometry. For peptide synthesis applications, the compound is used as a building block.
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| Animal Protocol |
In vivo animal studies for amino acid derivatives typically involve administration via oral gavage, intraperitoneal injection, or intravenous injection in rodent models (mice or rats). Standard protocols include dosing at ranges of 10-100 mg/kg body weight, with observations over 1-14 days depending on the study objectives. For studies evaluating the effects of brominated tyrosine analogues on neurological function, animals may be administered the compound and monitored for behavioral changes, cognitive performance, or neurotransmitter levels. Pharmacodynamic assessments may include brain tissue collection for neurotransmitter measurement and monitoring of body weight. All animal studies must comply with institutional ethical guidelines.
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| ADME/Pharmacokinetics |
Pharmacokinetic properties for this brominated tyrosine derivative can be inferred from structurally related compounds. As a small molecule (molecular weight 260.09 g/mol), it is expected to have reasonable oral bioavailability. The bromine substituent may influence the compound's lipophilicity and metabolic stability. The compound shows moderate solubility in aqueous and organic solvents. For in vivo administration, formulations using suitable co-solvent systems may be employed. The compound should be stored as powder at -20°C for long-term preservation. Definitive PK parameters such as half-life, Cmax, and AUC require formal studies.
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| Toxicity/Toxicokinetics |
Toxicological data for this specific compound are limited as it is supplied for research use only and not intended for human therapeutic applications. Brominated compounds may have altered toxicity profiles due to the presence of bromine. Appropriate safety precautions should be observed during handling, including the use of personal protective equipment and work in well-ventilated areas. The compound may cause skin and eye irritation upon contact. Acute toxicity studies in animal models would be required to establish LD₅₀ values and no-observed-adverse-effect levels.
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| References | |
| Additional Infomation |
3-Bromo-L-tyrosine is a brominated amino acid with an L-tyrosine core and a bromine substituent ortho-attached to a hydroxyl group on the benzene ring. It is a derivative of L-tyrosine, belongs to the bromobenzene class of compounds, and is a non-protein L-α-amino acid. It is the zwitterionic tautomer of 3-bromo-L-tyrosine.
See also: 3-Bromotyrosine (note moved to). 3-Bromo-L-tyrosine is a brominated tyrosine analogue featuring a bromine substituent at the 3 position of the phenolic ring. Tyrosine is a precursor for catecholamines (dopamine, norepinephrine, epinephrine) and thyroid hormones. This compound is used as a building block in peptide synthesis for introducing brominated tyrosine residues into peptide sequences for structure-activity relationship studies. It is not an approved drug and has not undergone clinical trials; it is strictly for research purposes. |
| Molecular Formula |
C9H10BRNO3
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|---|---|
| Molecular Weight |
260.08
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| Exact Mass |
258.984
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| CAS # |
38739-13-8
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| Related CAS # |
3-Bromo-L-tyrosine-13C6
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| PubChem CID |
14187216
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| Appearance |
Off-white to light brown solid powder
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| Density |
1.7±0.1 g/cm3
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| Boiling Point |
402.8±45.0 °C at 760 mmHg
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| Flash Point |
197.4±28.7 °C
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| Vapour Pressure |
0.0±1.0 mmHg at 25°C
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| Index of Refraction |
1.644
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| LogP |
1.37
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| Hydrogen Bond Donor Count |
3
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| Hydrogen Bond Acceptor Count |
4
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| Rotatable Bond Count |
3
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| Heavy Atom Count |
14
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| Complexity |
212
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| Defined Atom Stereocenter Count |
1
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| SMILES |
BrC1=C(C([H])=C([H])C(=C1[H])C([H])([H])[C@@]([H])(C(=O)O[H])N([H])[H])O[H]
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| InChi Key |
HGWOSUKIFQMEIF-ZETCQYMHSA-N
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| InChi Code |
InChI=1S/C9H10BrNO3/c10-6-3-5(1-2-8(6)12)4-7(11)9(13)14/h1-3,7,12H,4,11H2,(H,13,14)/t7-/m0/s1
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| Chemical Name |
(2S)-2-amino-3-(3-bromo-4-hydroxyphenyl)propanoic acid
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| HS Tariff Code |
2934.99.9001
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO: 1.96 mg/mL (7.54 mM)
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| Solubility (In Vivo) |
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.
Injection Formulations
Injection Formulation 1: DMSO : Tween 80： Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution → 50 μL Tween 80 → 850 μL Saline)(e.g. IP/IV/IM/SC) *Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution. Injection Formulation 2: DMSO : PEG300 ：Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO → 400 μLPEG300 → 50 μL Tween 80 → 450 μL Saline) Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO → 900 μL Corn oil) Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals). View More
Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO → 900 μL (20% SBE-β-CD in saline)] Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium) Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals). View More
Oral Formulation 3: Dissolved in PEG400 (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 3.8450 mL | 19.2249 mL | 38.4497 mL | |
| 5 mM | 0.7690 mL | 3.8450 mL | 7.6899 mL | |
| 10 mM | 0.3845 mL | 1.9225 mL | 3.8450 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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