Date published: 2026-4-30

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NPC 15199 (CAS 35661-60-0)

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Alternate Names:
Fmoc-Leu
Application:
NPC 15199 is an N-protected leucine analog
CAS Number:
35661-60-0
Molecular Weight:
353.4
Molecular Formula:
C21H23NO4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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NPC 15199 is an N-(9-fluorenylmethoxycarbonyl)-protected leucine compound that demonstrates antiinflammatory effects. NPC 15199 and other N-(9-fluorenylmethoxycarbonyl)-protected amino acids are demonstrated to block recruitment of neutrophils into inflammatory lesions and to inhibit T-cell activation in vitro, and are classified as leumedins. NPC 15199 is described to act as a chemically distinct ligand and modulator of PPARgamma (peroxisome proliferator-activated receptor gamma). NPC 15199 is demonstrated to increase intracellular Ca2+ and to mobilize Ca2+ stores in human bladder female transitional cancer (BFTC) cells. NPC 15199 is also demonstrated to prevent mucosal injury in a model of ileitis in guinea pigs.


NPC 15199 (CAS 35661-60-0) References

  1. NPC-15199, a novel anti-inflammatory agent, mobilizes intracellular Ca2+ in bladder female transitional carcinoma (BFTC) cells.  |  Jan, CR., et al. 2000. Chin J Physiol. 43: 29-33. PMID: 10857466
  2. A unique PPARgamma ligand with potent insulin-sensitizing yet weak adipogenic activity.  |  Rocchi, S., et al. 2001. Mol Cell. 8: 737-47. PMID: 11684010
  3. Effect of NPC-14686 (Fmoc-L-homophenylalanine) on intracellular Ca2+ levels in human hepatoma cells.  |  Jan, CR., et al. 2003. Life Sci. 72: 2571-80. PMID: 12672503
  4. Effect of NPC-15199 on Ca2+ levels in renal tubular cells.  |  Jan, CR., et al. 2002. Chin J Physiol. 45: 117-22. PMID: 12817714
  5. Small molecule hydrogels based on a class of antiinflammatory agents.  |  Yang, Z., et al. 2004. Chem Commun (Camb). 208-9. PMID: 14737552
  6. N-(fluorenyl-9-methoxycarbonyl) amino acids, a class of antiinflammatory agents with a different mechanism of action.  |  Burch, RM., et al. 1991. Proc Natl Acad Sci U S A. 88: 355-9. PMID: 1824872
  7. Anti-inflammatory agents and substance P depletion in experimental ileitis.  |  Miller, MJ., et al. 1993. Mediators Inflamm. 2: 293-7. PMID: 18475536
  8. Controlled drug release through a plasma polymerized tetramethylcyclo-tetrasiloxane coating barrier.  |  Osaki, S., et al. 2012. J Biomater Sci Polym Ed. 23: 483-96. PMID: 21294969
  9. Enzymatic formation of a novel cell-adhesive hydrogel based on small peptides with a laterally grafted l-3,4-dihydroxyphenylalanine group.  |  Xu, JX., et al. 2014. Nanoscale. 6: 1277-80. PMID: 24322882
  10. Effect of NPC15199 on [Ca²⁺]i and viability in SCM1 human gastric cancer cells.  |  Cheng, HH., et al. 2016. Chin J Physiol. 59: 268-275. PMID: 27604137
  11. Plasma treatment as an efficient tool for controlled drug release from polymeric materials: A review.  |  Petlin, DG., et al. 2017. J Control Release. 266: 57-74. PMID: 28935595
  12. Investigations of Anti-Inflammatory Activity of a Peptide-Based Hydrogel Using Rat Air Pouch Model.  |  Gavel, PK., et al. 2019. ACS Appl Mater Interfaces. 11: 2849-2859. PMID: 30589529
  13. Guinea pig ileitis is attenuated by the leumedin N-(fluorenyl-9- methoxycarbonyl)-leucine (NPC 15199).  |  Miller, MJ., et al. 1993. J Pharmacol Exp Ther. 266: 468-72. PMID: 8392562

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

NPC 15199, 250 mg

sc-202741
250 mg
$41.00