ART899 MCE (HY-139289S)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from MCE to Selleck’s ART899.

ART899 Selleck VS MCE

ART899	Selleck(E1939)	MCE(HY-139289S)
Free Aliquoting Service		N/A
Price	5mg, USD 197.0	5mg, USD 189.00
Purity	99.49%	99.46%
Citations	0	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	ART899 Mechanism of Action: Polθ Inhibition in Tumor Cells Research Selectivity & Specificity ART899 Working Concentration \| Cell Culture \| Treatment ART899 Solubility in DMSO ART899 Storage & Stability ART899 Combination Database ART899 Molecular Weight \| Chemical Structure \| Stock Solution ART899 IC50 for Cell-based and Cell-free Assays ART899 SDS｜MSDS	Unknown

MCE is sourced from their official website（1/20/2026）