PF-543 HCl


CAS No. : 1706522-79-3 (HCl)

PF-543 HCl,1706522-79-3 (HCl)
Product Details
For research use only. Not Intended for Therapeutic Use!
Cat No:R018798
Synonyms:PF-543 HCl;(R)-(1-(4-((3-methyl-5-((phenylsulfonyl)methyl)phenoxy)methyl)benzyl)pyrrolidin-2-yl)methanol hydrochoride
Molecular Formula:C27H32ClNO4S
Molecular Weight:502.066
Target:SK-1 inhibitor
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Appearance:Solid powder
Purity: > 98%
Cat No:R018798
Cas No:1706522-79-3 (HCl)
Product-Name:PF-543 HCl
InChI:InChI=1S/C27H31NO4S.ClH/c1-21-14-24(20-33(30,31)27-7-3-2-4-8-27)16-26(15-21)32-19-23-11-9-22(10-12-23)17-28-13-5-6-25(28)18-29;/h2-4,7-12,14-16,25,29H,5-6,13,17-20H2,1H3;1H/t25-;/m1./s1
InChIKey:WNKWAZFYPZMDGJ-VQIWEWKSSA-N
SMILES:OC[C@@H]1N(CC2=CC=C(COC3=CC(CS(=O)(C4=CC=CC=C4)=O)=CC(C)=C3)C=C2)CCC1.[H]Cl
PF-543 is a novel selective SK-1 inhibitor which inhibited SK-1 activity in a competitive manner with sphingosine. PF-543 inhibits SphK1 with a K(i) of 3.6 nM, is sphingosine-competitive and is more than 100-fold selective for SphK1 over the SphK2 isoform. PF-543 was effective as a potent inhibitor of S1P formation in whole blood, indicating that the SphK1 isoform of sphingosine kinase is the major source of S1P in human blood. PF-543 is the most potent inhibitor of SphK1 described to date and it will be useful for dissecting specific roles of SphK1-driven S1P signalling.

1: Lynch KR. Building a better sphingosine kinase-1 inhibitor. Biochem J. 2012 May 15;444(1):e1-2. doi: 10.1042/BJ20120567. PubMed PMID: 22533672.
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