Date published: 2026-5-13

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MK-886 sodium salt (CAS 118427-55-7)

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Alternate Names:
3-[1-(p-Chlorobenzyl)-5-(isopropyl)-3-t-butylthioindol-2-yl]-2,2-dimethylpropanoic acid . Na
Application:
MK-886 sodium salt is a potent and selective inhibitor of FLAP and Cox-1
CAS Number:
118427-55-7
Purity:
≥98%
Molecular Weight:
494.06
Molecular Formula:
C27H33ClNO2S•Na
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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MK-886 sodium salt, also designated L-663,536, is a potent and selective inhibitor of 5-lipoxygenase-activating protein (FLAP). FLAP is an arachidonic acid binding protein that is critical in the biosynthesis of leukotrienes. Inhibitors of FLAP prevent translocation of 5-lipoxygenase from the cytosol to the membrane and inhibit 5-lipoxygenase (5-LO) activation. MK-886 binds to FLAP with high affinity and prevents the activation of 5-LO, thus inhibiting leukotriene biosynthesis: 2.5 nM in intact leukocytes 1.1 µM in whole blood. MK-886 sodium salt is an inhibitor of Cox-1, PGE Synthase and PPARalpha.


MK-886 sodium salt (CAS 118427-55-7) References

  1. FLAP: a novel drug target for inhibiting the synthesis of leukotrienes.  |  Ford-Hutchinson, AW. 1991. Trends Pharmacol Sci. 12: 68-70. PMID: 2024291
  2. Requirement of a 5-lipoxygenase-activating protein for leukotriene synthesis.  |  Dixon, RA., et al. 1990. Nature. 343: 282-4. PMID: 2300173
  3. L-663,536 (MK-886) (3-[1-(4-chlorobenzyl)-3-t-butyl-thio-5-isopropylindol-2-yl]-2,2 - dimethylpropanoic acid), a novel, orally active leukotriene biosynthesis inhibitor.  |  Gillard, J., et al. 1989. Can J Physiol Pharmacol. 67: 456-64. PMID: 2548691

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

MK-886 sodium salt, 1 mg

sc-200608B
1 mg
$47.00

MK-886 sodium salt, 5 mg

sc-200608
5 mg
$95.00

MK-886 sodium salt, 25 mg

sc-200608A
25 mg
$378.00