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1,4,7-Trimethyl-1,4,7-triazonane (Me3TACN)

1,4,7-Trimethyl-1,4,7-triazonane, also known as TMT or trimethylenetris (aziridine), is a cyclic organic/chemical reagent.
1,4,7-Trimethyl-1,4,7-triazonane (Me3TACN)
1,4,7-Trimethyl-1,4,7-triazonane (Me3TACN) Chemical Structure CAS No.: 96556-05-7
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
25g
50g
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Product Description
1,4,7-Trimethyl-1,4,7-triazonane, also known as TMT or trimethylenetris (aziridine), is a cyclic organic/chemical reagent. TMT is extensively used as a cross-linking agent and precursor in the synthesis/preparation of polymers and resins. In addition, it is used as a stabilizer in polyurethane foam production and as a curing agent for epoxy resins. Due to its high reactivity and stability, TMT is considered a versatile and efficient reagent in various applications.
1,4,7-Trimethyl-1,4,7-triazonane (Me3TACN, CAS 96556-05-7), also known as TMT or trimethylenetris(aziridine), is a cyclic organic reagent with the molecular formula C₉H₂₁N₃ and a molecular weight of 171.28 g/mol. This compound is a triazacyclononane derivative featuring three methyl groups on the nitrogen atoms of the nine-membered ring. Me3TACN is extensively utilized as a cross-linking agent and precursor in the synthesis and preparation of polymers and resins. In biomedical research, it serves as a biochemical reagent and organic building block. The compound is also employed as a ligand in coordination chemistry, forming stable complexes with various metal ions for applications in catalysis and molecular imaging.
Biological Activity I Assay Protocols (From Reference)
Targets
1,4,7-Trimethyl-1,4,7-triazonane does not have a defined biological drug target as it is primarily a chemical reagent and synthetic building block rather than a therapeutic agent. However, its metal complexes have been investigated for various biomedical applications. When chelated with transition metals such as copper, gallium, or gadolinium, Me3TACN derivatives can serve as imaging probes or therapeutic agents targeting specific biological processes. The compound's role in polymer chemistry involves interacting with various functional groups during cross-linking reactions, but these are chemical rather than biological interactions. The molecule itself is not designed to bind to specific proteins or enzymes in a therapeutic context.
ln Vitro
1,4,7-Trimethyl-1,4,7-triazonane is an organic substance or biomaterial that can be utilized as a biochemical reagent in life science research.
As a chemical reagent, 1,4,7-Trimethyl-1,4,7-triazonane is not typically evaluated for direct in vitro biological activity against specific molecular targets. Its biological relevance stems primarily from its use as a ligand for metal complexes that may exhibit pharmacological properties. The free base compound may show some cytotoxicity at high concentrations due to its basic nature and ability to interact with cellular components, but such effects are generally considered off-target and not the primary focus of research applications. The compound's activity is primarily chemical rather than biological in nature.
ln Vivo
In vivo activity data for 1,4,7-Trimethyl-1,4,7-triazonane itself is not available in the published literature, as the compound is not intended for therapeutic use. Metal complexes containing Me3TACN ligands have been investigated in animal models for applications such as tumor imaging or radiotherapy, where the biological activity is attributed to the metal center rather than the ligand itself. The compound's role as a polymer precursor means it may be present in biomedical materials, but its in vivo behavior would depend on the specific formulation and application context.
Enzyme Assay
Cell-free biochemical assays involving 1,4,7-Trimethyl-1,4,7-triazonane typically focus on its metal-chelating properties rather than enzyme inhibition. A standard protocol for studying metal complex formation involves mixing the compound with metal salts (e.g., CuCl₂, GaCl₃) in aqueous or organic solution at controlled pH and temperature, followed by characterization using UV-Vis spectroscopy, mass spectrometry, or X-ray crystallography. For coordination chemistry studies, stability constants are determined by potentiometric titration. The compound's purity (typically ≥97%) is verified by HPLC or NMR spectroscopy before use in complexation studies.
Cell Assay
Cell-based assays for 1,4,7-Trimethyl-1,4,7-triazonane and its metal complexes typically evaluate cytotoxicity or cellular uptake. A standard protocol involves culturing cancer cell lines (e.g., HeLa, MCF-7) in 96-well plates, treating with varying concentrations of the compound or its metal complex for 24-72 hours, and assessing cell viability using MTT or resazurin reduction assays. For metal complexes intended as imaging probes, cellular uptake is measured by ICP-MS or fluorescence microscopy. The free ligand is often used as a control to distinguish metal-specific effects from ligand-associated toxicity.
Animal Protocol
In vivo studies involving Me3TACN are primarily conducted on its metal complexes rather than the free ligand. For radiopharmaceutical applications, a typical protocol involves intravenous injection of the radiolabeled metal complex (e.g., ⁶⁴Cu-Me3TACN conjugate) into tumor-bearing mice, followed by PET imaging at various time points post-injection. Biodistribution is determined by gamma counting of harvested organs. For therapeutic complexes, efficacy is assessed by monitoring tumor growth inhibition over 2-4 weeks. The free ligand may be evaluated for toxicity in preliminary dose-ranging studies to establish safe administration parameters.
ADME/Pharmacokinetics
As a chemical reagent rather than a drug, comprehensive pharmacokinetic data for 1,4,7-Trimethyl-1,4,7-triazonane is not available. The compound's physicochemical properties include moderate hydrophilicity due to the three nitrogen atoms, with a calculated logP that suggests reasonable aqueous solubility. For metal complexes, pharmacokinetic parameters depend on the metal center and overall complex charge, size, and stability. Such complexes typically exhibit distribution volumes reflecting extracellular space, with clearance occurring via renal and hepatobiliary routes. The free ligand is expected to be metabolized by hepatic enzymes.
Toxicity/Toxicokinetics
Toxicological data specific to 1,4,7-Trimethyl-1,4,7-triazonane is limited in publicly available literature. As a tertiary amine, the compound may cause irritation upon skin or eye contact and should be handled with appropriate laboratory safety precautions. The compound is stabilized with NaHCO₃ in some commercial formulations. For metal complexes, toxicity is primarily associated with the metal component, and extensive toxicological evaluation is required for any potential therapeutic application. Standard safety data sheets recommend using personal protective equipment and working in a fume hood when handling this reagent.
Additional Infomation
1,4,7-Trimethyl-1,4,7-triazonane is a research chemical and synthetic reagent rather than an approved pharmaceutical agent. No clinical trials or regulatory approvals exist for this compound itself. It is commercially available from various chemical suppliers for research purposes only. The compound's primary value lies in its applications as a chelating ligand for metal ions, as a cross-linking agent in polymer chemistry, and as a precursor for the synthesis of functional materials. Researchers utilize this versatile reagent in coordination chemistry, catalysis, materials science, and the development of metal-based diagnostic and therapeutic agents.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H21N3
Molecular Weight
171.28
Exact Mass
171.173
CAS #
96556-05-7
PubChem CID
546957
Appearance
Colorless to light yellow liquid(Density:0.884 g/cm3)
Density
0.9±0.1 g/cm3
Boiling Point
207.8±8.0 °C at 760 mmHg
Flash Point
68.3±0.0 °C
Vapour Pressure
0.2±0.4 mmHg at 25°C
Index of Refraction
1.457
LogP
-0.91
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
0
Heavy Atom Count
12
Complexity
91.2
Defined Atom Stereocenter Count
0
SMILES
N1(CCN(C)CCN(C)CC1)C
InChi Key
WLDGDTPNAKWAIR-UHFFFAOYSA-N
InChi Code
InChI=1S/C9H21N3/c1-10-4-6-11(2)8-9-12(3)7-5-10/h4-9H2,1-3H3
Chemical Name
1,4,7-trimethyl-1,4,7-triazonane
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

Note: (1). This product requires protection from light (avoid light exposure) during transportation and storage.  (2). Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture.
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 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 5.8384 mL 29.1920 mL 58.3839 mL
5 mM 1.1677 mL 5.8384 mL 11.6768 mL
10 mM 0.5838 mL 2.9192 mL 5.8384 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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