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ARC12

Cat No.:V65707 Purity: ≥98%
ARC12 is a secondary metabolism probe that regulates the production of secondary metabolite (SM, chemical compound)s in Streptomyces coelicolor.
ARC12
ARC12 Chemical Structure CAS No.: 64433-38-1
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
5mg
10mg
50mg
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Product Description
ARC12 is a secondary metabolism probe that regulates the production of secondary metabolite (SM, chemical compound)s in Streptomyces coelicolor. ARC12 reduces biocidal production.
ARC12 is a secondary metabolism probe that modulates the production of secondary metabolites in the bacterium Streptomyces coelicolor, a model organism for antibiotic biosynthesis. This small molecule specifically decreases the production of germicidin, a pyranone antibiotic, and serves as a tool for probing bacterial signaling and metabolic regulation.
Biological Activity I Assay Protocols (From Reference)
Targets
ARC12 targets regulatory pathways involved in secondary metabolism in S. coelicolor. It modulates the production of various secondary metabolites, including antibiotics, by influencing signaling cascades that control gene expression of biosynthetic gene clusters. The specific molecular target within the bacterial signaling network has not been fully elucidated.
ln Vitro
In cell-free assays, ARC12 shows no direct antibacterial activity. Its biological activity is assessed by its ability to alter the metabolic profile of S. coelicolor cultures. The compound specifically decreases the production of germicidin (a polyketide antibiotic) while modulating the levels of other secondary metabolites, including actinorhodin and undecylprodigiosin, in a concentration-dependent manner.
ln Vivo
There is no direct in vivo activity reported for ARC12 in mammalian systems. It is a bacterial secondary metabolism probe used exclusively in microbiological research. The compound is under investigation for its ability to control cellular functions linked to bacterial signaling and may have potential applications in discovering new antibiotics by activating silent biosynthetic gene clusters.
Enzyme Assay
A typical protocol involves culturing Streptomyces coelicolor in liquid or solid media. ARC12 is added to the culture at a final concentration of 10-100 uM (from a DMSO stock) at the time of inoculation or during exponential growth. After 3-7 days of incubation, secondary metabolites are extracted from the culture broth with an organic solvent (e.g., ethyl acetate) and analyzed by HPLC-UV or LC-MS. Peak areas for germicidin, actinorhodin, and other metabolites are compared to DMSO-treated controls.
Cell Assay
This compound is not used in mammalian cell experiments. Its use is strictly limited to bacterial cultures. For cellular studies in S. coelicolor, cells are grown in liquid medium in shake flasks or in 24-well plates. ARC12 is added, and the culture is incubated at 30degC with shaking for 3-7 days. The pH, growth (OD600), and metabolite production are monitored daily. Control cultures receive an equivalent volume of DMSO (final DMSO ≤1%).
Animal Protocol
There is no standard in vivo animal protocol for ARC12. The compound is not administered to animals. It is a tool for bacterial microbiology and secondary metabolism research, not for in vivo pharmacological studies.
ADME/Pharmacokinetics
PK properties are not applicable for this compound as it is not used as a drug. ARC12 (molecular formula C22H18N2O2, MW 342.39) is soluble in DMSO (100 mg/mL, need ultrasonic assistance). For long-term storage, stock solutions are kept at -20degC. Stability in aqueous solution is limited; the compound should be stored as a solid at -20degC.
Toxicity/Toxicokinetics
General toxicity of ARC12 has not been reported. As a small molecule probe for bacteria, it is expected to have low acute toxicity to mammalian cells at the concentrations used (10-100 uM). Standard laboratory safety precautions for handling organic compounds (gloves, goggles) should be followed. The compound is for research use only.
Additional Infomation
ARC12 is a secondary metabolism probe used in chemical biology to investigate the regulation of antibiotic production in Streptomyces, an important bacterial genus that produces the majority of clinically used antibiotics. By modulating germicidin production, ARC12 helps researchers understand the signaling pathways that control secondary metabolite biosynthesis, potentially leading to the discovery of new antibiotics by activating cryptic biosynthetic gene clusters.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H18N2O2
Molecular Weight
342.39
Exact Mass
342.137
CAS #
64433-38-1
PubChem CID
2853037
Appearance
Off-white to light yellow solid powder
LogP
4.241
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
4
Heavy Atom Count
26
Complexity
512
Defined Atom Stereocenter Count
0
SMILES
C1C(N(N=C1C2=CC=CC=C2)C3=CC=C(C=C3)C(=O)O)C4=CC=CC=C4
InChi Key
LRYRYLONUXSKTL-UHFFFAOYSA-N
InChi Code
InChI=1S/C22H18N2O2/c25-22(26)18-11-13-19(14-12-18)24-21(17-9-5-2-6-10-17)15-20(23-24)16-7-3-1-4-8-16/h1-14,21H,15H2,(H,25,26)
Chemical Name
4-(3,5-diphenyl-3,4-dihydropyrazol-2-yl)benzoic 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)
DMSO: 100 mg/mL (292.06 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (7.30 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 (7.30 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 (7.30 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 2.9206 mL 14.6032 mL 29.2065 mL
5 mM 0.5841 mL 2.9206 mL 5.8413 mL
10 mM 0.2921 mL 1.4603 mL 2.9206 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:
  • 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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