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SC-58125

Cat No.:V8601 Purity: ≥98%
SC-58125 is a potent and specific inhibitor of cyclooxygenase 2 (COX-2) with IC50 of 0.04 μM.
SC-58125
SC-58125 Chemical Structure CAS No.: 162054-19-5
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
SC-58125 is a potent and specific inhibitor of cyclooxygenase 2 (COX-2) with IC50 of 0.04 μM. SC-58125 displays anti-tumor activity both in vitro & in vivo, and also inhibits edema at inflammatory sites and has pain-relief effects.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
High selectivity for inducible COX-2 (IC50=1 μM) over COX-1 (IC50>100 μM) is exhibited by SC-58125 (0.001-100 μM) [1]. Time-dependent, SC-58125 (10 μM; 20-140 seconds) reaches half-maximal inhibition at 20 seconds and completes inhibition in 1 minute [1]. In vitro, SC-58125 (25-100 μM; 3 d) suppresses the development of LLC and HCA-7 cells [3]. In LLC cells, SC-58125 (100 µM; 12 hours) causes G2 arrest [3]. In HCA-7 cells, SC-58125 (25-100 μM; 3 d) lowers p34cdc2 levels [3]. In HCA-7 and LLC cells, SC-58125 (100 µM; 24 or 72 hours) does not cause apoptosis [3].
ln Vivo
Established colorectal cancer xenografts in mice are inhibited in growth by SC-58125 (10 mg/kg; intraperitoneally every 48 hours) [3]. In mice, tumor PGE2 levels can be decreased by SC-58125 (10 mg/kg; single intraperitoneal injection) [3]. Mice's tumor levels of COX-1 and COX-2 proteins are unaffected by SC-58125 (10 mg/kg; single intraperitoneal injection) [3].
Cell Assay
Cell proliferation assay[3]
Cell Types: HCA-7 and LLC Cell
Tested Concentrations: 0, 25, 50, 100 μM
Incubation Duration: 3 days
Experimental Results: Cell number and MTT activity were diminished in a dose-dependent manner in both cell lines .

Cell cycle analysis[3]
Cell Types: LLC Cell
Tested Concentrations: 100 μM
Incubation Duration: 12 hrs (hours)
Experimental Results: The number of cells containing 4n DNA content increased in a dose- and time-dependent manner. Mitotic numbers are diminished.

Western Blot Analysis[3]
Cell Types: HCA-7 Cell
Tested Concentrations: 0, 25, 50, 100 μM
Incubation Duration: 3 days
Experimental Results: Even at the lowest concentration, a dose-dependent decrease in p34cdc2 activity was induced with a strong inhibitory effect.
Animal Protocol
Animal/Disease Models: Athymic SD (SD (Sprague-Dawley)) mice injected with HCA-7 cells [3]
Doses: 10 mg/kg
Route of Administration: intraperitoneal (ip) injection every 48 hrs (hrs (hours)); at the time of tumor implantation or after 2 and 4 weeks.
Experimental Results: significant Dramatically reduce tumor growth rate.
References

[1]. A single amino acid difference between cyclooxygenase-1 (COX-1) and -2 (COX-2) reverses the selectivity of COX-2 specific inhibitors. J Biol Chem. 1996 Jun 28; 271(26): 15810-4.

[2]. Pharmacological and biochemical demonstration of the role of cyclooxygenase 2 in inflammation and pain. Proc Natl Acad Sci U S A. 1994 Dec 6; 91(25): 12013-7.

[3]. A cyclooxygenase-2 inhibitor (SC-58125) blocks growth of established human colon cancer xenografts. Neoplasia. Sep-Oct 2001; 3(5): 428-36.

Additional Infomation
SC-58125 is a member of the class of pyrazoles that is 1H-pyrazole substituted by a 4-fluorophenyl group at position 5, a 4-(methylsulfonyl)phenyl group at position 1 and a trifluoromethyl group at position 3. A selective cyclooxygenase 2 inhibitor, it exhibits anticancer property. It has a role as a cyclooxygenase 2 inhibitor and an antineoplastic agent. It is a member of pyrazoles, an organofluorine compound and a sulfone.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C17H12N2O2F4S
Molecular Weight
384.34798
Exact Mass
384.055
CAS #
162054-19-5
PubChem CID
115239
Appearance
Off-white to pink solid powder
Density
1.4±0.1 g/cm3
Boiling Point
512.6±50.0 °C at 760 mmHg
Flash Point
263.8±30.1 °C
Vapour Pressure
0.0±1.3 mmHg at 25°C
Index of Refraction
1.573
LogP
3.86
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
3
Heavy Atom Count
26
Complexity
577
Defined Atom Stereocenter Count
0
SMILES
CS(=O)(=O)C1=CC=C(C=C1)N2C(=CC(=N2)C(F)(F)F)C3=CC=C(C=C3)F
InChi Key
JHBIMJKLBUMNAU-UHFFFAOYSA-N
InChi Code
InChI=1S/C17H12F4N2O2S/c1-26(24,25)14-8-6-13(7-9-14)23-15(10-16(22-23)17(19,20)21)11-2-4-12(18)5-3-11/h2-10H,1H3
Chemical Name
5-(4-fluorophenyl)-1-(4-methylsulfonylphenyl)-3-(trifluoromethyl)pyrazole
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 : ~250 mg/mL (~650.45 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 2.6018 mL 13.0090 mL 26.0180 mL
5 mM 0.5204 mL 2.6018 mL 5.2036 mL
10 mM 0.2602 mL 1.3009 mL 2.6018 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.

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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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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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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
  • SC-58125 treatment inhibits the growth of established colorectal cancer xenografts. (A) 5x106 HCA-7 cells were xenografted into the dorsal flank of 26 nude mice. Animals were treated every 48 hours with either DMSO (square) or SC-58125 (10mg/kg) at the time of cell injection (circle), or 2 weeks (triangle) or 4 weeks after intraperitoneal injection (diamond). (B) 5x106 HCA-7 cells were xenografted into the dorsal flank of nude mice. SC-58125 (10 mg/kg, circle), sulindac sulfide (10 mg/kg, triangle), or DMSO (square) injections were delayed until week 7. (B, insert) HCA-7 cells were implanted as noted above, then after 1 week of growth, only two injections of SC-58125 (10 mg/kg) were given intraperitoneally at 48-hour intervals. Tumor volumes were determined by external measurement on a weekly basis and calculated using the equation (V=[LW2]x0.5), where V=volume, L=length, and W=width .[3]. Williams CS, et, al. A cyclooxygenase-2 inhibitor (SC-58125) blocks growth of established human colon cancer xenografts. Neoplasia. Sep-Oct 2001; 3(5): 428-36.
  • SC-58125 reduces tumor PGE2 levels. In order to determine the efficacy of SC-58125 treatment, the PGE2 concentrations were monitored in the tumor. Mice were sacrificed at 2, 4, 6, 12, 24, 36, and 48 hours following SC-58125 treatment (10 mg/kg). Tumors were excised and flash-frozen in liquid nitrogen. PGE2 levels were determined by gas chromatograph mass spectroscopy and expressed as ng PGE2/pg protein.[3]. Williams CS, et, al. A cyclooxygenase-2 inhibitor (SC-58125) blocks growth of established human colon cancer xenografts. Neoplasia. Sep-Oct 2001; 3(5): 428-36.
  • The tumor levels of COX-1 and COX-2 protein do not change with SC-58125 treatment. HCA-7 tumor-bearing mice were injected with SC-58125 (10 mg/kg) and sacrificed at 2, 4, 6, 12, 24, 36, and 48 hours after SC-58125 treatment. Fifty micrograms of tumor lysate was resolved by SDS-PAGE then transferred to a membrane. COX-1- or COX-2- specific goat antisera were used at 1:1000 and 1:500, respectively.[3]. Williams CS, et, al. A cyclooxygenase-2 inhibitor (SC-58125) blocks growth of established human colon cancer xenografts. Neoplasia. Sep-Oct 2001; 3(5): 428-36.
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