Psc 833 (Valspodar)

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Synonymsi SDZ-PSC-833,Amdray
CAS No.i 121584-18-7
Molecular Formulai C63H111N11O12
Molecular Weighti 1214.62
Solubilityi Soluble to 4 mM in DMSO
Appearancei White solid
Purityi >98%
Chemical Name: 6-[(2S,4R,6E)-4-Methyl-2-(methylamino)-3-oxo-6-octenoic acid]-7-L-valine-cyclosporin A; Cyclo[[(2S,4R,6E)-4-methyl-2-(methylamino)-3-oxo-6-octenoyl]-L-valyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-m
Biological Activity:
P-glycoprotein (P-gp) modulator; inhibits P-gp-mediated multidrug-resistance (MDR). Reverses resistance to several cytotoxic drugs including mitoxantrone and doxorubicin (resistance factors are 2.0 and 6.5 respectively) in human MDR cancer cell lines. Non-immunosuppressive analog of cyclosporin