RMC-7977 Cayman (42185)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Cayman to Selleck’s RMC-7977.

RMC-7977 Selleck VS Cayman

RMC-7977	Selleck(E1858)	Cayman(42185)
Free Aliquoting Service		N/A
Price	1mg, USD 197.00	1mg, USD 180.00
Purity	99.02%	95.00%
Citations	1	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	RMC-7977 Mechanism of Action: RAS Inhibition in Pancreatic Ductal Cell Research RMC-7977 Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage RMC-7977 VS AMG 510 (Sotorasib) \| Lonafarnib (SCH66336) \| Adagrasib (MRTX849) Molecular Weight RMC-7977 SDS｜MSDS	Unknown

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