Meclofenamate is a time-dependent, non-specific competitive inhibitor of COX-1 and -2. The IC50 values for inhibition of human recombinant COX-1 and -2 are 1.5 and 9.7 µM, respectively for instantaneous inhibition. However, the IC50 is much lower if pre-incubated with the enzyme.1
1
Laneuville, O., Breuer, D.K., DeWitt, D.L., et al. Differential inhibition of human prostaglandin endoperoxide H synthases-1 and -2 by nonsteroidal anti-inflammatory drugs. J Pharmacol Exp Ther271927-934(1994).
Formal Name
2-[(2,6-dichloro-3-methylphenyl)amino]-benzoic acid, monosodium salt
CAS Number
6385-02-0
Molecular Formula
C14H10Cl2NO2 · Na
Formula Weight
318.1
Formulation
A crystalline solid
Purity
>99%
Stability
2 years
Storage
-20°C
Shipping
Wet ice
in continental US; may vary elsewhere
SMILES
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Cc1ccccc1Nc1c(Cl)ccc(C)c1Cl
Background Reading
Laneuville, O., Breuer, D.K., DeWitt, D.L., et al. Differential inhibition of human prostaglandin endoperoxide H synthases-1 and -2 by nonsteroidal anti-inflammatory drugs. J Pharmacol Exp Ther271927-934(1994).
Meclofenamate (sodium salt) is available in the following screening
library: