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Hexacyclen (1,4,7,10,13,16-Hexazacyclooctadecane)

Cat No.:V65264 Purity: ≥98%
Hexacyclen, also known as cycloalkene, is an organic/chemical reagent with a unique macrocyclic structure consisting of six nitrogen-containing rings.
Hexacyclen (1,4,7,10,13,16-Hexazacyclooctadecane)
Hexacyclen (1,4,7,10,13,16-Hexazacyclooctadecane) Chemical Structure CAS No.: 296-35-5
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
100mg
250mg
Other Sizes
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Product Description
Hexacyclen, also known as cycloalkene, is an organic/chemical reagent with a unique macrocyclic structure consisting of six nitrogen-containing rings. It is extensively used as a chelating agent in chemistry and biochemistry due to its ability to bind to metal ions. Inhibitors of certain diseases such as cancer. In biochemistry, Hexacyclen is often used to selectively bind metal ions in proteins or enzymes to study their structure and function. Due to its large size and complex structure, Hexacyclen is not extensively used in everyday products or applications.
Hexacyclen, also known as 1,4,7,10,13,16-hexazacyclooctadecane, is a macrocyclic compound with the chemical formula C₁₂H₃₀N₆ and a molecular weight of 258.414 g/mol. It is the nitrogen analog of 18-crown-6, featuring six nitrogen atoms within an eighteen-membered ring. The compound serves as a vital pharmaceutical intermediate and acts as a solubilizer for urinary calculi. It has a topological polar surface area of 72.2 Ų and contains six hydrogen bond donors and six hydrogen bond acceptors. Hexacyclen is a biochemical compound that can be utilized as a biomaterial or organic/chemical reagent for biomedical research.
Biological Activity I Assay Protocols (From Reference)
Targets
Hexacyclen does not have a defined biological target as it is a chemical reagent and pharmaceutical intermediate rather than a pharmacologically active drug. However, as a macrocyclic polyamine, it has the ability to bind metal ions and interact with negatively charged biomolecules through electrostatic interactions. Its nitrogen atoms can form hydrogen bonds and coordinate with metal centers. The compound's function in biomedical applications is primarily physicochemical—chelating metal ions and solubilizing urinary calculi. Specific protein targets have not been identified, and the compound is not designed for receptor-mediated activity.
ln Vitro
Hexacyclen is a biochemical reagent that can be utilized in life science research as an organic compound or biological material.
Hexacyclen exhibits no intrinsic pharmacological activity in vitro as it is a chemical reagent. Its utility is demonstrated in its role as a pharmaceutical intermediate and as a solubilizer for urinary calculi. The compound's chelating properties make it useful for binding metal ions in various applications. In cell-based assays, the compound itself is not tested for biological activity. Instead, it is used as a building block for the synthesis of more complex molecules or as a reagent in biochemical applications. No specific in vitro pharmacological data, including IC₅₀ values or cytotoxicity profiles, are available.
ln Vivo
Hexacyclen does not exhibit in vivo biological activity as it is not a therapeutic agent. Its role as a solubilizer for urinary calculi suggests potential utility in treating kidney stones, but this is a physicochemical effect rather than receptor-mediated pharmacological activity. The compound is not used as a drug and has not been evaluated in animal models for efficacy against any disease. Any in vivo effects would be associated with drug candidates synthesized from this intermediate, not with the compound itself. The compound is not administered to animals in standard pharmacological studies.
Enzyme Assay
In vitro assays for hexacyclen focus on its metal-chelating properties rather than receptor binding. A typical protocol involves incubating the compound with metal ions (e.g., Cu²⁺, Zn²⁺, Fe³⁺) in buffered solutions and measuring complex formation using UV-Vis spectroscopy, potentiometry, or mass spectrometry. Stability constants (log K) are determined by titration methods. For urinary calculi solubilization studies, calcium oxalate crystals are incubated with varying concentrations of hexacyclen, and crystal dissolution is monitored by turbidity measurements or calcium ion-selective electrode analysis. Quality control includes NMR, HPLC, and purity analysis (≥98%).
Cell Assay
In vitro cell culture experiments with hexacyclen are not standard as the compound is primarily a chemical reagent. If cellular studies are conducted, the compound is typically dissolved in aqueous media and added to cell culture at concentrations ranging from 1-100 µM to assess potential cytotoxicity or metal chelation effects. Standard cytotoxicity assays such as MTT or LDH release can be used to measure cell viability after 24-72 hours of exposure. The compound's high polarity and multiple amine groups suggest good water solubility but limited membrane permeability. No specific cell-based assays have been reported for this compound.
Animal Protocol
In vivo animal experiments with hexacyclen are not conducted as the compound is a laboratory reagent rather than a test article. When the compound is used to synthesize drug candidates, those final products are subjected to animal studies following standard protocols: oral or intravenous administration, blood sampling for pharmacokinetic analysis, tissue collection for biodistribution studies, and histopathological examination for toxicity assessment. The reagent itself is not evaluated in vivo. Any toxicity or activity observed in such studies would be attributed to the drug candidate, not to the intermediate.
ADME/Pharmacokinetics
Pharmacokinetic properties of hexacyclen are not characterized as it is not a drug substance. Based on its physicochemical properties (molecular weight 258.414, high water solubility due to six amine groups, logP approximately -1.5), the compound is expected to have very low oral bioavailability due to poor membrane permeability and high polarity. It would likely be distributed primarily in extracellular fluid and rapidly cleared via renal excretion. The compound may be metabolized via N-acetylation or oxidation of the amine groups. However, the compound is not intended for human exposure and has not been evaluated in formal pharmacokinetic studies.
Toxicity/Toxicokinetics
Toxicological data for hexacyclen are limited as it is a research reagent. Standard laboratory safety precautions should be followed when handling this compound, including the use of gloves, safety glasses, and working in a fume hood. The compound contains multiple amine groups, which may cause skin and eye irritation. No acute toxicity data are available. The compound is not intended for drug, household, or other uses. It should be stored in a cool, dry place away from moisture and strong oxidizing agents.
Additional Infomation
Hexacyclen is the nitrogen analog of 18-crown-6 and is also known as hexaaza-18-crown-6. It serves as a vital pharmaceutical intermediate and solubilizer for urinary calculi. The compound's six nitrogen atoms provide a strong chelating environment for metal ions, making it useful in coordination chemistry and catalysis. It has applications in the synthesis of metal-organic frameworks, sensors, and pharmaceutical compounds. Hexacyclen has not undergone clinical trials and is not approved as a pharmaceutical. Its mechanism of action is chemical—chelating metal ions and interacting with charged biomolecules through electrostatic and hydrogen bonding interactions.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C12H30N6
Molecular Weight
258.41
Exact Mass
258.253
CAS #
296-35-5
PubChem CID
41779
Appearance
Typically exists as solid at room temperature
Density
0.9±0.1 g/cm3
Boiling Point
449.8±40.0 °C at 760 mmHg
Melting Point
147-152ºC
Flash Point
243.9±22.4 °C
Vapour Pressure
0.0±1.1 mmHg at 25°C
Index of Refraction
1.424
LogP
-3.51
Hydrogen Bond Donor Count
6
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
0
Heavy Atom Count
18
Complexity
108
Defined Atom Stereocenter Count
0
SMILES
N1([H])C([H])([H])C([H])([H])N([H])C([H])([H])C([H])([H])N([H])C([H])([H])C([H])([H])N([H])C([H])([H])C([H])([H])N([H])C([H])([H])C([H])([H])N([H])C([H])([H])C1([H])[H]
InChi Key
RVJABZUDCPZPPM-UHFFFAOYSA-N
InChi Code
InChI=1S/C12H30N6/c1-2-14-5-6-16-9-10-18-12-11-17-8-7-15-4-3-13-1/h13-18H,1-12H2
Chemical Name
1,4,7,10,13,16-hexazacyclooctadecane
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 Vitro)
H2O: 100 mg/mL (386.98 mM)
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 3.8698 mL 19.3491 mL 38.6982 mL
5 mM 0.7740 mL 3.8698 mL 7.7396 mL
10 mM 0.3870 mL 1.9349 mL 3.8698 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.
/

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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