N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Sigma (A9165)? Try a better option.

A Depth-Data-Driven Comparison: Critical Reasons Leading Labs are Switching from Sigma to Selleck’s N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine).

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N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Selleck VS Sigma

N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine)	Selleck(S1623)	Sigma(A9165)
Free Aliquoting Service		N/A
Price	500mg, USD 147.0	5g, USD 42.40
Purity	99.97%	99%
Citations	238	0
Technical Support	95.37% response rate within 2 hours	Unknown
Knowledge	N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Mechanism of Action: NF-κB Inhibition in Airway Epithelial Cells Research N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Working Concentration \| Cell Culture \| Treatment N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Solubility in DMSO N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Storage & Stability N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Combination Database N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) Molecular Weight \| Chemical Structure \| Stock Solution N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) IC50 for Cell-based and Cell-free Assays N-Acetylcysteine (NAC chemical, N-Acetyl-L-Cysteine) SDS｜MSDS	Unknown

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