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SB452533

Alias: SB452533 SB-452533 SB 452533
Cat No.:V5912 Purity: ≥98%
SB 452533 is a potent and specific TRPV1 antagonist (inhibitor) with pKb of 7.8.
SB452533
SB452533 Chemical Structure CAS No.: 459429-39-1
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
SB 452533 is a potent and specific TRPV1 antagonist (inhibitor) with pKb of 7.8.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
In HEK293 cells, SB 452533 has a strong antagonistic effect on the cloned recombinant rat TRPV1 receptor, with a pKb of 7.7 and a pIC50 of 7.0 [1]. AMPK and CAMKK2 phosphorylation is decreased by SB-452533 [2].
ln Vivo
SB-452533 reverses the effects of small doses of capsaicin (Cap; low dose 2 mg/kg) and greatly reduces bleomycin-induced lung fibrosis in mice [3].
Cell Assay
Western Blot Analysis[2]
Cell Types: Skeletal Muscle (C2C12) Cell
Tested Concentrations: 0, 50, 100, 200 and 400 μM
Incubation Duration: 30 minutes; then treated with 200 μM capsaicin for an additional 30 minutes.
Experimental Results: Dramatically diminished capsaicin-induced AMPK and CAMKK2 phosphorylation.
Animal Protocol
Animal/Disease Models: BALB/c mouse pulmonary fibrosis model [3]
Doses: 2.5 mg/kg
Route of Administration: Daily subcutaneous injection for 21 days
Experimental Results: Effect of Cap (reduce bleomycin-induced pulmonary fibrosis ) in the presence of SB-452533.
References

[1]. Discovery of small molecule antagonists of TRPV1. Bioorg Med Chem Lett. 2004 Jul 16;14(14):3631-4.

[2]. TRPV1 Activation by Capsaicin Mediates Glucose Oxidation and ATP Production Independent of Insulin Signalling in Mouse Skeletal Muscle Cells. Cells. 2021 Jun 21;10(6):1560.

[3]. Effect of small dose capsaicin for treatment of pulmonary fibrosis in mice and its mechanism. Zhongguo Ying Yong Sheng Li Xue Za Zhi. 2020 May;36(3):216-222.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Exact Mass
375.095
CAS #
459429-39-1
PubChem CID
9842609
Appearance
White to off-white solid powder
LogP
4.682
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
6
Heavy Atom Count
23
Complexity
366
Defined Atom Stereocenter Count
0
SMILES
CCN(CCNC(=O)NC1=CC=CC=C1Br)C2=CC=CC(=C2)C
InChi Key
IFJYEGJUQIBBQV-UHFFFAOYSA-N
InChi Code
InChI=1S/C18H22BrN3O/c1-3-22(15-8-6-7-14(2)13-15)12-11-20-18(23)21-17-10-5-4-9-16(17)19/h4-10,13H,3,11-12H2,1-2H3,(H2,20,21,23)
Chemical Name
1-(2-bromophenyl)-3-[2-(N-ethyl-3-methylanilino)ethyl]urea
Synonyms
SB452533 SB-452533 SB 452533
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)
Solubility Data
Solubility (In Vitro)
DMSO : ~100 mg/mL (~265.75 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.64 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 (6.64 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), suspension solution; with ultrasonication.
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 (6.64 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.)
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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?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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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:
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  • 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
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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.

Biological Data
  • Western blot analysis for phosphorylated and total AMPK and CAMKK2, glucose oxidation and intracellular ATP levels in SB-452533 and capsaicin treated mouse skeletal muscle cells. (a–d) Western blot and densitometric analysis of p-AMPK, AMPK, p-CAMKK2, and CAMKK2 with increasing concentrations of SB-452533 in the presence of 200 μM capsaicin. (e) Intracellular ATP level in the 0 and 200 μM capsaicin treated myotubes in the presence or absence of 200 μM SB-452533. (f) Glucose oxidation percentage in 200 μM capsaicin treated myotubes in the absence or presence of 200 μM SB-452533 and 10 nM insulin after 60 min incubation time. Data are presented as mean ± SD of three independent repeats (n = 3). * p < 0.05, ** p < 0.01, *** p < 0.001, and **** p < 0.0001 indicate a significant difference between control and SB-452533-treated groups.[2]. Parisa Vahidi Ferdowsi, et al. TRPV1 Activation by Capsaicin Mediates Glucose Oxidation and ATP Production Independent of Insulin Signalling in Mouse Skeletal Muscle Cells. Cells. 2021 Jun 21;10(6):1560.
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