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Tryptamine hydrochloride

Tryptamine HCl belongs to the indole alkaloids and is an analogue of the amino acid (AA) tryptophan.
Tryptamine hydrochloride
Tryptamine hydrochloride Chemical Structure CAS No.: 343-94-2
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
10g
25g
50g
Other Sizes

Other Forms of Tryptamine hydrochloride:

  • Tryptamine guanosine carbamate (TpGc)
  • Tryptamine-d2 hydrochloride
  • 5-Methoxytryptamine hydrochloride
  • Serotonin-d4 (5-Hydroxytryptamine-d4; 5-HT-d4)
  • Tryptamine
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Product Description
Tryptamine HCl belongs to the indole alkaloids and is an analogue of the amino acid (AA) tryptophan. Tryptamine HCl is psychoactive and works as a neurotransmitter in the body, affecting mood, perception and cognition. In its HCl form, Tryptamine HCl, it is extensively used as a starting material for research chemicals and the synthesis of other organic/chemical reagents. It can also occur naturally in certain plants and animals such as fungi and mammals. Due to the psychoactive properties of Tryptamine HCl and its analogues, its use and possession are controlled substances in many countries.
Tryptamine hydrochloride (CAS 343-94-2) is an indole alkaloid and a biogenic amine formed from the decarboxylation of tryptophan by L-aromatic amino acid decarboxylase. With molecular formula C₁₀H₁₃ClN₂ and molecular weight 196.68 g/mol, it appears as a beige to light orange powder with a melting point of 253-255°C. The compound is the hydrochloride salt of tryptamine, a monoamine alkaloid.
Biological Activity I Assay Protocols (From Reference)
Targets
Tryptamine hydrochloride acts as a non-selective serotonin receptor agonist and as a serotonin-norepinephrine-dopamine releasing agent (SNDRA). It is an analogue of the amino acid tryptophan and has psychoactive properties, functioning as a neurotransmitter in the body that affects mood, perception, and cognition. The compound's mechanism of action involves binding to and activating serotonin receptors.
ln Vitro
In study pertaining to life sciences, tryptamine (hydrochloride) is a biochemical reagent that can be utilized as an organic substance or biological material.
In vitro, tryptamine hydrochloride is used as a research chemical and as a starting material for the synthesis of other organic and chemical reagents. It is a reactant for the preparation of tryptamine derivatives as inhibitors against hepatitis B virus and carbamoyl epipodophyllotoxins as potential antitumor agents. The compound's indole scaffold makes it a valuable building block for the synthesis of various biologically active molecules.
ln Vivo
In vivo data for tryptamine hydrochloride as a therapeutic agent are limited. As a psychoactive compound, it is known to affect mood, perception, and cognition through its action on serotonin receptors. However, the compound is primarily used as a research chemical rather than as a therapeutic agent. Its hydrochloride salt form is widely used as a research chemical and as a starting material for synthesis.
Enzyme Assay
For in vitro receptor binding assays, tryptamine hydrochloride can be evaluated for its affinity at serotonin receptors. Standard protocols involve incubating the compound with membrane preparations from cells expressing serotonin receptors and measuring displacement of a radiolabeled ligand (e.g., [³H]-LSD or [³H]-serotonin). IC₅₀ and Ki values are calculated from competition binding curves. The compound's activity as a serotonin-norepinephrine-dopamine releasing agent can be assessed using neurotransmitter uptake inhibition assays.
Cell Assay
For in vitro cell-based experiments, tryptamine hydrochloride can be evaluated for its effects on serotonin receptor signaling. Cells expressing serotonin receptors are treated with the compound at various concentrations, and downstream signaling pathways (e.g., cAMP accumulation, calcium mobilization) are measured. The compound's psychoactive properties make it useful for studying serotonin receptor pharmacology. Standard cell culture protocols involve dissolving the compound in DMSO and diluting to working concentrations.
Animal Protocol
In vivo animal studies using tryptamine hydrochloride are typically conducted in models of psychoactive drug effects. Standard protocols involve administration to rodents via intraperitoneal or intravenous injection, followed by behavioral testing to assess effects on locomotion, anxiety, and other behaviors. The compound's effects on serotonin receptor signaling can be measured by assessing changes in neurotransmitter levels and receptor occupancy.
ADME/Pharmacokinetics
Pharmacokinetic properties of tryptamine hydrochloride are characterized in the context of its use as a research chemical. As a small, polar molecule (MW 196.68 g/mol), it is expected to have reasonable oral bioavailability and blood-brain barrier permeability. The compound is metabolized by monoamine oxidase (MAO) and other enzymes. The hydrochloride salt form enhances aqueous solubility for research applications. Empirical pharmacokinetic data are available from toxicology studies.
Toxicity/Toxicokinetics
Tryptamine hydrochloride is a research chemical and should be handled with appropriate laboratory safety precautions. As a psychoactive compound, it may have central nervous system effects and should be handled with care. The compound is for research use only and not for human therapeutic or diagnostic applications. Specific LD₅₀ values and acute toxicity classifications are available from safety data sheets. Standard safety practices include the use of personal protective equipment and working in a fume hood.
Additional Infomation
Tryptamine hydrochloride (CAS 343-94-2) is primarily a research-grade chemical and biochemical reagent, not an FDA-approved pharmaceutical drug. Its primary applications are as a research chemical for studying serotonin receptor pharmacology, as a starting material for the synthesis of tryptamine derivatives, and as a precursor for the synthesis of biologically active compounds. No clinical trials or approved therapeutic indications exist for this compound.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C10H13CLN2
Molecular Weight
196.68
Exact Mass
196.076
CAS #
343-94-2
Related CAS #
Tryptamine;61-54-1;Tryptamine-d2 hydrochloride;362049-48-7
PubChem CID
67652
Appearance
White to off-white solid powder
Density
1.157g/cm3
Boiling Point
378.8ºC at 760mmHg
Melting Point
253-255 °C(lit.)
Flash Point
187.7ºC
LogP
3.171
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
2
Heavy Atom Count
13
Complexity
147
Defined Atom Stereocenter Count
0
SMILES
Cl[H].N1([H])C([H])=C(C([H])([H])C([H])([H])N([H])[H])C2=C([H])C([H])=C([H])C([H])=C12
InChi Key
KDFBGNBTTMPNIG-UHFFFAOYSA-N
InChi Code
InChI=1S/C10H12N2.ClH/c11-6-5-8-7-12-10-4-2-1-3-9(8)10;/h1-4,7,12H,5-6,11H2;1H
Chemical Name
2-(1H-indol-3-yl)ethanamine;hydrochloride
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)
DMSO: 100 mg/mL (508.44 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (12.71 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (12.71 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (12.71 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.0844 mL 25.4220 mL 50.8440 mL
5 mM 1.0169 mL 5.0844 mL 10.1688 mL
10 mM 0.5084 mL 2.5422 mL 5.0844 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
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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:
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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
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  • 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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