Nicotinamide (Niacinamide) Sigma (N0636)? Try a better option.

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

Nicotinamide (Niacinamide) Selleck VS Sigma

Nicotinamide (Niacinamide)	Selleck(S1899)	Sigma(N0636)
Free Aliquoting Service		N/A
Price	50mg, USD 147.0	100g, USD 36.30
Purity	100%	98%
Citations	48	953
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	Nicotinamide (Niacinamide) Mechanism of Action: Melanosome Inhibition in Keratinocyte Research Nicotinamide (Niacinamide) Working Concentration \| Cell Culture \| Treatment Solubility in DMSO Storage Nicotinamide (Niacinamide) Combination Database Molecular Weight Nicotinamide (Niacinamide) IC50 for Cell-based and Cell-free Assays Nicotinamide (Niacinamide) SDS｜MSDS	Unknown

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