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Merck
CN

SML4137

W6134

≥95% (HPLC)

Synonym(s):

N-(2′-Chloro-4′-(2-(4-(ethylsulfonyl)phenyl)acetamido)-[1,1′-biphenyl]-2-yl)acrylamide, N-[2-Chloro-2′-[(1-oxo-2-propen-1-yl)amino][1,1′-biphenyl]-4-yl]-4-(ethylsulfonyl)-benzeneacetamide

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About This Item

Empirical Formula (Hill Notation):
C25H23ClN2O4S
CAS Number:
Molecular Weight:
482.98
NACRES:
NA.21
Assay:
≥95% (HPLC)
Form:
powder
Quality level:
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SMILES string

C=CC(NC1=CC=CC=C1C2=CC=C(NC(CC3=CC=C(S(=O)(CC)=O)C=C3)=O)C=C2Cl)=O

assay

≥95% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear

storage temp.

-10 to -25°C

Quality Level

Biochem/physiol Actions

Cell penetrant, highly potent, selective, and non-toxic RORγ covalent inhibitor.

W6134 is a highly potent, selective RORγ (retinoic acid receptor-related orphan receptor γ) armed with a cell-permeable acrylamide warhead, which specifically targets RORγ (IC50 = 210 nM in HEK293Tcells co-transfected with Gal4-RORγ-LBD) by covalently modifying RORγ-Cys320 thiol while showing minimal activity against other nuclear receptors such as RORα, RXRγ, and ERRγ (IC50 > 20 μM). W6134 is effective in inducing apoptosis in C4-2B and 22Rv1 cell lines and reduces RORγ-mediated transcription, leading to decreased androgen receptor (AR) expression in a dose- and time-dependent manner. When tested in vivo (T1/2 = 21.3 min in mouse liver microsomes), W6134 significantly suppresses tumor growth in castration-resistant prostate cancers (CRPC) xenograft mouse models (5 or 10 mg/kg, i.p.) demonstrating its efficacy and safety.

Regulatory Information

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