L-745337

Modify Date: 2025-08-25 21:49:41

Use of L-745337

L-745337 is a selective cyclooxygenase-2 (COX2) inhibitor, with an IC50 of 2.3 nM, and shows anti-inflammatory activity.

Name	5-methanesulfonamido-6-(2,4-difluorophenylthio)-1-indanone
Synonym	More Synonyms

Description	L-745337 is a selective cyclooxygenase-2 (COX2) inhibitor, with an IC50 of 2.3 nM, and shows anti-inflammatory activity.
Related Catalog	Research Areas >> Inflammation/Immunology
Target	COX-2:2.3 nM (IC50)
In Vivo	In a rat model of postoperative pain, L-745337 (40-80 μg, intrathecal) coadministered with intrathecal morphine (0.5 nmol) increases the withdrawal thresholds in a dose-dependent manner. Adding 80 μg L-745337 to 1 nmol morphine produces an antiallodynic effect greater than that of morphine at twice the dose. L-745337 (0-30 mg/kg, s.c.) combined with intrathecal morphine results in the same antiallodynic response as morphine alone[1]. L-745,337 shows anti-inflammatory activity, with the effective-dose of 0.4 mg/kg, and the maximal anti-inflammation dose of 5 mg/kg in arthritic rats[2].
References	[1]. Kroin JS, et al. Cyclooxygenase-2 inhibition potentiates morphine antinociception at the spinal level in a postoperative pain model. Reg Anesth Pain Med. 2002 Sep-Oct;27(5):451-5. [2]. Turull N, et al. Effect of the COX-2 selective inhibitor l-745,337 on inflammation and organ prostaglandin E2 (PGE2) levels in adjuvant arthritic rats. Inflammation. 2000 Dec;24(6):533-45. [3]. Li CS, et al. Cyclooxygenase-2 inhibitors. Synthesis and pharmacological activities of 5-methanesulfonamido-1-indanone derivatives. J Med Chem. 1995 Dec 8;38(25):4897-905.

Molecular Formula	C₁₆H₁₃F₂NO₃S₂
Molecular Weight	369.40600
Exact Mass	369.03000
PSA	96.92000
LogP	4.77020
InChIKey	HDUWKQUHMUSICC-UHFFFAOYSA-N
SMILES	CS(=O)(=O)Nc1cc2c(cc1Sc1ccc(F)cc1F)C(=O)CC2

N-[6-[(2,4-difluorophenyl)thio]-2,3-dihydro-1-oxo-1H-inden-5-yl]methanesulfonamide

N-[6-(2,4-difluorophenylthio)-1-oxoindan-5-yl]methanesulphonamide

5-Methanesulfonamido-6-(2,4-difluorophenylthio)-1-indanone

N-[6-(2,4-Difluoro-phenylsulfanyl)-1-oxo-indan-5-yl]-methanesulfonamide

L-745-337

N-[6-[(2,4-difluorophenyl)thio]-2,3-dihydro-1-oxo-1H-inden-5-yl]-methanesulfonamide

N-[6-[(2,4-difluorophenyl) thio]-2,3-dihydro-1-oxo-1H-inden-5-yl]methanesulfonamide

L-745337

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Price: $2004/1mg

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