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A9165 Sigma

N-Acetyl-L-cysteine

cell culture tested, BioReagent

Synonym: LNAC, NAC

Purchase

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Biochem/physiol Actions

Antioxidant and mucolytic agent. Increases cellular pools of free radical scavengers. Reported to prevent apoptosis in neuronal cells but induce apoptosis in smooth muscle cells. Inhibits HIV replication. May serve as a substrate for microsomal glutathione transferase.

Packaging

5, 25, 100 g in poly bottle

Price and Availability


All labs need water

Biomedical Applications
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
HA1660000

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
My media turned yellow when I added N-acetyl cysteine (NAC), Product A9165.  Why?
The pH of a 1% solution is 2.0-2.8.  You may need to adjust the pH of the media with NaOH.  Or, prior to addition to the media, you can initially dilute the NAC with PBS, and then add it to the culture media.
How stable is a solution of Product A9165, N-acetyl cysteine (NAC)?
Aqueous solutions of cysteine oxidize to cystine on contact with air at neutral or alkaline pH. We recommend making aqueous solutions fresh.  NAC is relatively stable in acid.  Solutions in acid are stable and can be stored at -20 °C.
What concentration of Product A9165, N-Acetyl-L-cysteine (NAC), should I use for cell culture?
Cell culture testing is performed at 0.82 g/L.  The exact concentration will depend upon your application.
What is the half life of Product A9165, N-Acetyl-L-cysteine (NAC), in cell culture?
We have not tested the half-life of NAC solutions in our labs here at Sigma. However, this subject has been reviewed in Neuropsychopharmacology, 29, 2018-2023 (2004). Here is a link to that article: http://www.nature.com/npp/journal/v29/n11/pdf/1300512a.pdf
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
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Protocols & Articles

Articles

3D Organoid Culture: New In Vitro Models of Development and Disease

Model systems drive biological research by recapitulating body processes and functions from the molecular to whole organism level. The human body is composed of both cellular and non-cellular materia...
Keywords: Adhesion, Cell attachment, Cell culture, Diseases, Growth factors, Infectious Diseases, Processes and Functions, Vitamins

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.1 During the oxi...
Biofiles Volume 2 Article 2
Keywords: Adhesion, Anti-inflammatory agents, Applications, Cancer, Cardiovascular, Catalysis, Diabetes, Diseases, Gene expression, Metabolism, Neurodegenerative Diseases, Peroxidations, Phosphorylations, Prebiotics, Probiotics, Reductions, Transcription, Transduction, Vitamins

HPLC Analysis of 15N-Acetylcysteine Enantiomers on Astec® (R,R) P-CAP™

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of 15N-Acetylcysteine Enantiomers on Astec® (R,R) P-CAP™
Keywords: Chromatography, High performance liquid chromatography

Mitochondrial Stress and ROS

Oxidative stress is implicated in the pathogenesis of lipotoxicity in both animal and human studies. Chronic oxidative stress is linked to insulin resistance in multiple tissues. Oxidative stress is ...
BioFiles 2011, 6.4, 22.
Keywords: Anti-inflammatory agents, Apoptosis, Cancer, Cell signaling, Cellular processes, Gene expression, Indicators, Metabolism, Oxidations, Respiratory

Peer-Reviewed Papers
15

References

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