(2S,4R)-1-[(2S)-2-[[2-[2-[2-[2-[4-[4-[3-Chloro-4-[(3-fluorophenyl)methoxy]anilino]quinazolin-6-yl]phenoxy]ethoxy]ethoxy]ethoxy]acetyl]amino]-3,3-dimethylbutanoyl]-4-hydroxy-N-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

CAS NO.：2230821-40-4
Empirical Formula: C57H61ClFN7O9S
Molecular Weight: 1074.66
Update Date: 2026-07-27 17:00:41

What is (2S,4R)-1-[(2S)-2-[[2-[2-[2-[2-[4-[4-[3-Chloro-4-[(3-fluorophenyl)methoxy]anilino]quinazolin-6-yl]phenoxy]ethoxy]ethoxy]ethoxy]acetyl]amino]-3,3-dimethylbutanoyl]-4-hydroxy-N-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide?

Description

SJF 1521 is a selective EGFR PROTAC?? Degrader based on the EGFR inhibitor lapatinib linked to a von Hippel-Lindau (VHL) recruiting ligand by PEG3. SJF 1521 exhibits selectivity for EGFR, including mutant forms, over HER2 and induces degradation of EGFR in OVCAR8 cells.

Storage

Store at -20°C

Properties of (2S,4R)-1-[(2S)-2-[[2-[2-[2-[2-[4-[4-[3-Chloro-4-[(3-fluorophenyl)methoxy]anilino]quinazolin-6-yl]phenoxy]ethoxy]ethoxy]ethoxy]acetyl]amino]-3,3-dimethylbutanoyl]-4-hydroxy-N-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

Boiling point:	1160.1±65.0 °C(Predicted)
Density	1.314±0.06 g/cm3(Predicted)
storage temp.	Store at -20°C
solubility	DMSO\|107.47\|100\|
form	Solid
pka	13.54±0.46(Predicted)
color	Light green to yellow

Safety information for (2S,4R)-1-[(2S)-2-[[2-[2-[2-[2-[4-[4-[3-Chloro-4-[(3-fluorophenyl)methoxy]anilino]quinazolin-6-yl]phenoxy]ethoxy]ethoxy]ethoxy]acetyl]amino]-3,3-dimethylbutanoyl]-4-hydroxy-N-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

Computed Descriptors for (2S,4R)-1-[(2S)-2-[[2-[2-[2-[2-[4-[4-[3-Chloro-4-[(3-fluorophenyl)methoxy]anilino]quinazolin-6-yl]phenoxy]ethoxy]ethoxy]ethoxy]acetyl]amino]-3,3-dimethylbutanoyl]-4-hydroxy-N-[[4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]pyrrolidine-2-carboxamide

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