Tamoxifen Sigma (t5648)? Try a better option.

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

Tamoxifen Selleck VS Sigma

Tamoxifen	Selleck(S1238)	Sigma(t5648)
Free Aliquoting Service		N/A
Price	500mg, USD 147.0	1g, USD 318.00
Purity	99.97%	99%
Citations	75	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Tamoxifen Mechanism of Action: Estrogen Receptor (ER) Inhibition in Breast Cancer Cell Research Tamoxifen: Selectivity & Specificity Tamoxifen Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Tamoxifen Combination Database Molecular Weight Tamoxifen IC50 for Cell-based and Cell-free Assays Tamoxifen SDS｜MSDS	Unknown

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