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HKPerox-2 2245230-79-7

HKPerox-2 2245230-79-7

CAS No.: 2245230-79-7

HKPerox-2 is a highly sensitive green fluorescent probe that specifically detects H2O2 in living cells. Its maximum exci
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This product is for research use only, not for human use. We do not sell to patients.

HKPerox-2 is a highly sensitive green fluorescent probe that specifically detects H2O2 in living cells. Its maximum excitation wavelength and emission wavelength are 520 nm and 543 nm respectively.

Physicochemical Properties


Molecular Formula C32H23NO10
Molecular Weight 581.53
CAS # 2245230-79-7
Appearance Yellow to orange solid powder
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: This product requires protection from light (avoid light exposure) during transportation and storage.
Shipping Condition Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity


ln Vitro 1. Working solution preparation for HKPerox-2 1.1 Stock solution preparation: Dissolve 1 milligram of HKPerox-2 in 172 uL DMF to create a 10 mM stock solution. Note: It is advised to keep the stock solution out of direct sunlight and between -20°C and 80°C to prevent repeated freezing and thawing. 1.2 Making the HKPerox-2 working solution: Use serum-free cell culture medium to dilute the stock solution or PBS to create a working solution that ranges from 1 to 10 μM. It is important to modify the concentration of HKPerox-2 working solution based on the specific circumstances. 2. Suspension cells in a 6-well plate (2.1) are stained A. After centrifuging at 1000g for three to five minutes at 4°C, discard the supernatant. Wash for five minutes each time, twice, using PBS. 1×106/mL b is the cell density. After adding 1 mL of the working solution, let it sit at room temperature for five to thirty minutes. an. After centrifuging at 400 g for three to four minutes at 4 °C, discard the supernatant. D. Wash for five minutes each time, twice, using PBS. E. Using a fluorescence microscope or flow cytometry, resuspend the cells in PBS or serum-free cell culture media. Cells that adhere 2.2 a. Adherent cells are cultured on sterile coverslips. B. Lift the coverslip out of the culture media and use the aspirator to remove any extra. an. To fully cover the cells, add 100 μL of working solution, shake gently, and then incubate for five to thirty minutes at room temperature. D. Wash for five minutes twice using a medium setting. either flow cytometry monitoring or fluorescence microscopy.
References

[1]. Trends Cell Biol. 2007 Sep;17(9):422-7. doi: 10.1016/j.tcb.2007.07.009. Epub 2007 Sep 4.

[2]. Tandem Payne/Dakin Reaction: A New Strategy for Hydrogen Peroxide Detection and Molecular Imaging. Angew Chem Int Ed Engl. 2018 Aug 6;57(32):10173-10177.

[3]. Diarylamine-based fluorogenic probes for detection of peroxynitrite. EP2809666B1.


Solubility Data


Solubility (In Vitro) DMF: 50 mg/mL (85.98 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 : PEG300 :Tween 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).
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 : PEG300:Tween 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).
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 1.7196 mL 8.5980 mL 17.1960 mL
5 mM 0.3439 mL 1.7196 mL 3.4392 mL
10 mM 0.1720 mL 0.8598 mL 1.7196 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.