Methotrexate Sigma (PHR1396)? Try a better option.

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

Methotrexate Selleck VS Sigma

Methotrexate	Selleck(S1210)	Sigma(PHR1396)
Free Aliquoting Service		N/A
Price	100mg, USD 147.0	1g, USD 115.60
Purity	100.0%	Unknown
Citations	91	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Methotrexate Mechanism of Action: Dihydrofolate Reductase Inhibition in Lymphocyte Research Methotrexate Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Methotrexate Combination Database Molecular Weight Methotrexate IC50 for Cell-based and Cell-free Assays Methotrexate SDS｜MSDS	Unknown

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