CAS 817204-33-4|PSI-6130

Introduction:Basic information about CAS 817204-33-4|PSI-6130, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NamePSI-6130
CAS Number817204-33-4Molecular Weight259.234
Density1.7±0.1 g/cm3Boiling Point482.4±55.0 °C at 760 mmHg
Molecular FormulaC10H14FN3O4Melting Point/
MSDS/Flash Point245.5±31.5 °C

Names

Name4-amino-1-[(2R,3R,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]pyrimidin-2-one
SynonymMore Synonyms

PSI-6130 BiologicalActivity

DescriptionPSI-6130 is a potent and selective inhibitor of HCV NS5B polymerase, and inhibits HCV replication with a mean IC50 of 0.6 μM. 
Related CatalogSignaling Pathways >>Metabolic Enzyme/Protease >>HCV ProteaseSignaling Pathways >>Anti-infection >>HCVResearch Areas >>Infection
Target

IC50: 0.6 μM (HCV replication)[2]

In VitroPSI-6130 exhibits potent and specific inhibitory activity against HCV RNA replication mediated by the NS5B polymerase. Both PSI-6130 inhibit HCV GT-1b (Con1 strain) and GT-1a (H77 strain) subgenomic RNA replication, with mean EC50 values of 0.51 and 0.30 μM, respectively. PSI-6130 inhibits 40% human serum with EC50 of 0.51 μM[1]. PSI-6130 inhibits HCV replication with a mean IC50 of 0.6 μM, PSI-6130-TP inhibits HCV replicase with a mean IC50 of 0.34 μM. PSI-6130-TP inhibits recombinant HCV Con1 NS5B on a heteropolymeric RNA template derived from the 3′-end of the negative strand of the HCV genome with an IC50 of 0.13 μM and Ki of 0.023 μM[2].
Kinase AssayThe inhibition potency of compounds with respect to the RdRp activity of recombinant NS5B570-BK, NS5B570-Con1, and NS5B570-H77 proteins is determined by measuring the incorporation of radiolabeled NMP into acid-insoluble RNA products by use of a complement strand of internal ribosomal entry site (cIRES) RNA template. Briefly, 50% inhibitory concentration (IC50) determinations are carried out using 200 nM in vitro-transcribed cIRES RNA template, 1 μCi of tritiated UTP (42 Ci/mmol), 500 μM ATP, 500 μM GTP, 1 μM CTP, 1× TMDN buffer (40 mM Tris-HCl [pH 8.0], 4 mM MgCl2, 4 mM dithiothreitol, 40 mM NaCl), and 200 nM enzyme. The inhibition potency of compounds with respect to the RdRp activity of NS5B570-S282T-Con1 is determined under GT-1b assay conditions as. NS5B570-BK and NS5B570-Con1 enzymes are used as controls. The final reaction volume is 50 μL under all assay conditions. All reactions contain a final 10% dimethyl sulfoxide. Km and Ki values are measured.
References

[1]. Ali S, et al. Selected replicon variants with low-level in vitro resistance to the hepatitis C virus NS5B polymerase inhibitor PSI-6130 lack cross-resistance with R1479. Antimicrob Agents Chemother. 2008 Dec;52(12):4356-69.

[2]. Ma H, et al. Characterization of the metabolic activation of hepatitis C virus nucleoside inhibitor beta-D-2'-Deoxy-2'-fluoro-2'-C-methylcytidine (PSI-6130) and identification of a novel active 5'-triphosphate species. J Biol Chem. 2007 Oct 12;282(41):29812-20. Epub 2007 Aug 13.

Chemical & Physical Properties

Density1.7±0.1 g/cm3
Boiling Point482.4±55.0 °C at 760 mmHg
Molecular FormulaC10H14FN3O4
Molecular Weight259.234
Flash Point245.5±31.5 °C
Exact Mass259.096832
PSA110.60000
LogP-0.72
Vapour Pressure0.0±2.7 mmHg at 25°C
Index of Refraction1.653
InChIKeyNYPIRLYMDJMKGW-VPCXQMTMSA-N
SMILESCC1(F)C(O)C(CO)OC1n1ccc(N)nc1=O

Synonyms

2'-Deoxy-2'-fluoro-2'-methylcytidine
Cytidine, 2'-deoxy-2'-fluoro-2'-methyl-
2'-Fluoro-2'-C-methylcytidine
2'-deoxy-2'-fluoro-2'-C-methylcytidine
PSI6130
R-1656
PSI-6130
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