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H-His(Trt)-OH

H-His(Trt)-OH is a histidine analogue.
H-His(Trt)-OH
H-His(Trt)-OH Chemical Structure CAS No.: 35146-32-8
Product category: Amino Acid Derivatives
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
100g
Other Sizes
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Product Description
H-His(Trt)-OH is a histidine analogue.
H-His(Trt)-OH (CAS 35146-32-8), also known as Nim-Trityl-L-histidine or N'-(trityl)-L-histidine, is a histidine derivative and protected amino acid. It has a molecular formula of C₂₅H₂₃N₃O₂ and molecular weight of 397.47 g/mol. The compound features a trityl (Trt) protecting group on the imidazole nitrogen. It serves as a valuable building block in the synthesis of peptides, allowing researchers to create complex structures with specific biological functions. The compound has been shown to have potential anticancer activity, inhibiting the proliferation of cancer cells, and an inhibitory effect on inflammation, possibly due to its ability to inhibit the production of cytokines such as TNF-α and IL-1β. The product is for research use only.
Biological Activity I Assay Protocols (From Reference)
Targets
The compound has shown potential anticancer activity, inhibiting the proliferation of cancer cells in research studies. It also exhibits an inhibitory effect on inflammation, which may be due to its ability to inhibit the production of pro-inflammatory cytokines such as tumor necrosis factor-α (TNF-α) and interleukin 1β (IL-1β). These effects suggest that the compound or its derivatives may interact with signaling pathways involved in cell proliferation and inflammation. However, the compound is primarily used as a building block in peptide synthesis, and its biological activities are observed in the context of research rather than as a direct therapeutic agent.
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 this histidine derivative have demonstrated its ability to inhibit the proliferation of cancer cells. It also inhibits the production of pro-inflammatory cytokines such as TNF-α and IL-1β. These activities suggest potential anticancer and anti-inflammatory properties for peptides incorporating this building block. As a histidine derivative, this compound may be used in cell-based assays to investigate histidine transport, metal ion coordination, and the effects of histidine-containing peptides on cellular function. The compound can also be utilized in studies examining the role of histidine in enzyme catalysis and protein structure.
ln Vivo
In vivo studies on this compound are limited as it is primarily used as a building block in peptide synthesis rather than as a therapeutic agent. The anticancer and anti-inflammatory properties observed in vitro suggest that peptides incorporating this building block may have potential in treating cancer or inflammatory diseases in vivo. However, specific in vivo pharmacological data for this exact compound remains limited. As a protected amino acid, it may be administered in animal studies to evaluate the pharmacokinetics and bioavailability of histidine derivatives. All animal studies must comply with institutional ethical guidelines.
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 histidine residues on binding affinity and catalytic activity. Standard protocols include incubating varying concentrations of the test compound with the target protein in appropriate buffer systems, followed by measurement of binding or enzymatic activity using spectrophotometric, fluorometric, or surface plasmon resonance (SPR) methods. For peptide synthesis applications, the compound is evaluated in coupling reactions using standard carbodiimide-mediated chemistry to assess reactivity and coupling efficiency. The trityl protecting group allows for selective deprotection under mild acidic conditions.
Cell Assay
Cell-based assays for this histidine derivative typically utilize cancer cell lines or immune cells to evaluate compound effects on cell proliferation and cytokine production. 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 proliferation is assessed using MTT or CellTiter-Glo assays. Cytokine production is measured using ELISA or multiplex bead-based assays. For peptide synthesis applications, the compound is used as a building block in solid-phase peptide synthesis (SPPS) protocols.
Animal Protocol
In vivo animal studies for anticancer or anti-inflammatory agents typically involve administration via oral gavage, intraperitoneal injection, or intravenous injection in rodent models (mice or rats). Standard protocols include dosing at ranges of 1-50 mg/kg body weight, with observations over 1-14 days depending on the study objectives. For studies evaluating anticancer properties, xenograft models may be employed with tumor volume measurements as primary endpoints. For anti-inflammatory studies, animal models of inflammation may be used with measurement of inflammatory markers. Pharmacodynamic assessments may include blood sampling for cytokine analysis, tissue collection for histopathological examination, and monitoring of body weight and general health parameters. All animal studies must comply with institutional ethical guidelines.
ADME/Pharmacokinetics
Pharmacokinetic properties for this protected histidine derivative can be inferred from structurally related compounds. As a medium-sized molecule (molecular weight 397.47 g/mol), it is expected to have moderate bioavailability. The trityl protecting group is likely to be cleaved in vivo to release the active histidine. The compound shows moderate solubility in organic solvents such as DMSO and can be formulated for in vitro studies. For in vivo administration, formulations using suitable co-solvent systems may be employed. The compound is stable at room temperature during shipping and 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.
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. The anticancer and anti-inflammatory properties observed in vitro suggest that the compound or its derivatives may modulate cell proliferation and immune function, which could have implications for toxicity. 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 (NOAEL). For in vitro cytotoxicity assessment, the compound can be tested in mammalian cell lines using standard MTT or LDH release assays.
References

[1]. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144.

Additional Infomation
H-His(Trt)-OH is a histidine derivative featuring a trityl (Trt) protecting group on the imidazole nitrogen. It serves as a valuable building block in the synthesis of peptides, allowing researchers to create complex structures with specific biological functions. The compound has shown potential anticancer activity, inhibiting the proliferation of cancer cells, and an inhibitory effect on inflammation, possibly due to its ability to inhibit the production of cytokines such as TNF-α and IL-1β. It is not an approved drug and has not undergone clinical trials; it is strictly for research purposes.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C25H23N3O2
Molecular Weight
397.47
Exact Mass
397.179
CAS #
35146-32-8
PubChem CID
7408287
Appearance
White to off-white solid powder
Density
1.2±0.1 g/cm3
Boiling Point
584.8±50.0 °C at 760 mmHg
Melting Point
210℃
Flash Point
307.5±30.1 °C
Vapour Pressure
0.0±1.7 mmHg at 25°C
Index of Refraction
1.632
LogP
3.74
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
7
Heavy Atom Count
30
Complexity
505
Defined Atom Stereocenter Count
1
SMILES
O([H])C([C@]([H])(C([H])([H])C1=C([H])N(C([H])=N1)C(C1C([H])=C([H])C([H])=C([H])C=1[H])(C1C([H])=C([H])C([H])=C([H])C=1[H])C1C([H])=C([H])C([H])=C([H])C=1[H])N([H])[H])=O
InChi Key
BSZQZNOAYQCQFZ-QHCPKHFHSA-N
InChi Code
InChI=1S/C25H23N3O2/c26-23(24(29)30)16-22-17-28(18-27-22)25(19-10-4-1-5-11-19,20-12-6-2-7-13-20)21-14-8-3-9-15-21/h1-15,17-18,23H,16,26H2,(H,29,30)/t23-/m0/s1
Chemical Name
(2S)-2-amino-3-(1-tritylimidazol-4-yl)propanoic acid
HS Tariff Code
2934.99.9001
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)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*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 : PEG300Tween 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).
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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)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL 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).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.5159 mL 12.5796 mL 25.1591 mL
5 mM 0.5032 mL 2.5159 mL 5.0318 mL
10 mM 0.2516 mL 1.2580 mL 2.5159 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.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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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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