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Indole

Alias: AI3 01540; AI3-01540; Indole
Cat No.:V17972 Purity: ≥98%
Indole is an endogenously produced metabolite.
Indole
Indole Chemical Structure CAS No.: 120-72-9
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
100mg
Other Sizes

Other Forms of Indole:

  • Indole-d6
  • Indole-3-carboxaldehyde-13C3 (3-Formylindole-13C3)
  • Indole-13C8,15N
  • Indole-13C
  • Indole-15N
  • L-Phenylalanine,Indole-15N (L-Tryptophan-15N)
  • Indole-d7
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Indole is an endogenously produced metabolite.
Biological Activity I Assay Protocols (From Reference)
ADME/Pharmacokinetics
Metabolism / Metabolites
INDOLE UNDERGOES SCISSION OF PYRROLE RING TO YIELD N-FORMYLANTHRANILIC ACID, AN UNSTABLE COMPD WHICH DECOMP INTO ANTHRANILIC ACID & FORMIC ACID. INDOLE IS FIRST HYDROXYLATED TO GIVE INDOXYL & THEN ISATIN, & IT IS PROBABLY LATTER WHICH UNDERGOES HYDROLYTIC RING OPENING.
...INDOLE IS METABOLIZED BY RAT TO INDOXYL, OXINDOLE, 5-HYDROXYOXINDOLE & ISATIN...
YIELDS 2,2-BIS(3-INDOLYL)INDOXYL IN HORSERADISH. DEOXYVIOLACEIN IN CHROMOBACTERIUM. CIS-6,7-DIHYDRO-6,7-DIHYDROXYINDOLE PROBABLY IN PSEUDOMONAS. /FROM TABLE/
YIELDS 3,3'-DIINDOLYLACETIC ACID IN PEA. O-FORMAMIDOBENZALDEHYDE IN TECOMA. 3-HYDROXYOXINDOLE IN COCCUS. /FROM TABLE/
For more Metabolism/Metabolites (Complete) data for INDOLE (10 total), please visit the HSDB record page.
Indole has known human metabolites that include 6-Hydroxyindole, Indoxyl, and Oxindole.
References

[1]. Indole as an intercellular signal in microbial communities. FEMS Microbiol Rev. 2010 Jul;34(4):426-44.

Additional Infomation
1H-indole is an indole and a polycyclic heteroarene. It has a role as an Escherichia coli metabolite. It is a tautomer of a 3H-indole.
Indole is a metabolite found in or produced by Escherichia coli (strain K12, MG1655).
Indole has been reported in Tetrastigma hemsleyanum, Daphne odora, and other organisms with data available.
Mechanism of Action
The effects of heterocyclic cmpd on hepatic xenobiotic metabolizing enzymes were studied in mice. Female CD-1 mice were admin 5 u mol/kg coumarin, trimethylene oxide (TMO), or trimethylene sulfide (TMS) for 6 days by gavage, or benzofuran, indole, or indole-3-carbinol (IC) daily for 10 days. Animals were /sacrificed/ 1 or 2 days after the last dose; livers were removed and assayed for epoxide hydrolase, glutathione-S-transferase (GST), reduced NADH-quinone-reductase (NADH/QR), glucose-6-phosphate-dehydrogenase (G6PDH), glutathione-reductase (GSSG-red), uridine-diphosphate-glucose-dehydrogenase (UDPGDH), aniline-hydroxylase, 7-ethoxycoumarin-deethylase (ECOD), and cytochrome-c-reductase (cyt-c-red) activities, and cytochrome p450. All cmpd except indole, significantly enhanced epoxide hydrolase activity. GST activities were elevated by all cmpd except TMO and TMS. NADH/QR activity was incr only by coumarin and benzofuran. Indole incr only GST, UDPGDH and cyt-c-red activities. IC enhanced GST, UDPGDH, cyt-c-red, epoxide hydrolase and cytochrome p450 and related monooxygenase activities. Benzofuran and coumarin showed more varied responses. Both cmpd incr epoxide hydrolase, GST and NADH/QR activities. Benzofuran decr cytochrome p450 content and elevated ECOD activity.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C8H7N
Molecular Weight
117.15
Exact Mass
117.057
CAS #
120-72-9
Related CAS #
Indole-d6;104959-27-5;Indole-13C;85597-55-3;Indole-13C8,15N;1337952-53-0;Indole-15N;40167-58-6;Indole-d7;73509-20-3
PubChem CID
798
Appearance
LEAFLETS (WATER, PETROLEUM), CRYSTALS (ETHER)
Colorless to yellowish scales, turning red on exposure to light and air.
WHITE CRYSTALLINE SOLID
Colorless, shiny flakes
Density
1.1±0.1 g/cm3
Boiling Point
253.0±9.0 °C at 760 mmHg
Melting Point
51-54 °C(lit.)
Flash Point
107.8±11.3 °C
Vapour Pressure
0.0±0.5 mmHg at 25°C
Index of Refraction
1.681
LogP
2.14
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
0
Rotatable Bond Count
0
Heavy Atom Count
9
Complexity
101
Defined Atom Stereocenter Count
0
SMILES
N1([H])C([H])=C([H])C2=C([H])C([H])=C([H])C([H])=C12
InChi Key
SIKJAQJRHWYJAI-UHFFFAOYSA-N
InChi Code
InChI=1S/C8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H
Chemical Name
1H-indole
Synonyms
AI3 01540; AI3-01540; Indole
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 (~853.61 mM)
H2O : ~3.57 mg/mL (~30.47 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.75 mg/mL (23.47 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 27.5 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: ≥ 2.75 mg/mL (23.47 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 27.5 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: ≥ 2.75 mg/mL (23.47 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 27.5 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 8.5361 mL 42.6803 mL 85.3606 mL
5 mM 1.7072 mL 8.5361 mL 17.0721 mL
10 mM 0.8536 mL 4.2680 mL 8.5361 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
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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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