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Desmethyl Celecoxib

Cat. No. M20769
Desmethyl Celecoxib Structure
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Biological Activity

Desmethyl Celecoxib (compound 3b), an analog of Celecoxib with the optimal yield of 75%, is a selective inhibitor of cyclooxygenase-2 (COX-2) with anti-inflammatory activities.

Chemical Information
Molecular Weight 367.35
Formula C16H12F3N3O2S
CAS Number 170569-87-6
Solubility (25°C) DMSO 73 mg/mL
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.

References

[1] Jess Cebrecos, et al. Clin Ther. Celecoxib-tramadol co-crystal: A Randomized 4-Way Crossover Comparative Bioavailability Study

[2] Jaya Prabhakaran, et al. Bioorg Med Chem Lett. Radiosynthesis and in vivo evaluation of [11C]MOV as a PET imaging agent for COX-2

[3] Satheeshmanikandan R S Thappali, et al. Sci Pharm. Simultaneous Determination of Celecoxib, Erlotinib, and its Metabolite Desmethyl-Erlotinib (OSI-420) in Rat Plasma by Liquid chromatography/Tandem Mass Spectrometry with Positive/Negative Ion-Switching Electrospray Ionisation

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