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1009005

USP

Acetylcysteine

United States Pharmacopeia (USP) Reference Standard

Synonym(s):
N-Acetyl-L-cysteine, LNAC, NAC
Linear Formula:
HSCH2CH(NHCOCH3)CO2H
CAS Number:
Molecular Weight:
163.19
Beilstein:
1724426
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

manufacturer/tradename

USP

mp

106-108 °C (lit.)

Featured Industry

Pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

CC(=O)N[C@@H](CS)C(O)=O

InChI

1S/C5H9NO3S/c1-3(7)6-4(2-10)5(8)9/h4,10H,2H2,1H3,(H,6,7)(H,8,9)/t4-/m0/s1

InChI key

PWKSKIMOESPYIA-BYPYZUCNSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

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.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

USP issued SDS can be found here.
Sales restrictions may apply.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Yuval Samuni et al.
Biochimica et biophysica acta, 1830(8), 4117-4129 (2013-04-27)
N-acetylcysteine (NAC) has been in clinical practice for several decades. It has been used as a mucolytic agent and for the treatment of numerous disorders including paracetamol intoxication, doxorubicin cardiotoxicity, ischemia-reperfusion cardiac injury, acute respiratory distress syndrome, bronchitis, chemotherapy-induced toxicity...
Luigi Franchi et al.
Journal of immunology (Baltimore, Md. : 1950), 193(8), 4214-4222 (2014-09-17)
The nucleotide-binding oligomerization domain-like receptor pyrin domain-containing 3 (Nlrp3) inflammasome plays an important role in inflammation by controlling the maturation and secretion of the cytokines IL-1β and IL-18 in response to multiple stimuli including pore-forming toxins, particulate matter, and ATP....
Michael Berk et al.
Trends in pharmacological sciences, 34(3), 167-177 (2013-02-02)
N-Acetylcysteine (NAC) targets a diverse array of factors germane to the pathophysiology of multiple neuropsychiatric disorders including glutamatergic transmission, the antioxidant glutathione, neurotrophins, apoptosis, mitochondrial function, and inflammatory pathways. This review summarises the areas where the mechanisms of action of...
Eduesley Santana-Santos et al.
The Annals of thoracic surgery, 97(5), 1617-1623 (2014-03-25)
The renoprotective effect of N-acetylcystein in patients undergoing coronary artery bypass graft surgery is controversial. We assessed the renoprotective effect of the highest dose of N-acetylcystein sanctioned for clinical use in a prospective, double-blind, placebo-controlled study including 70 chronic kidney...
Gaurav Sharma et al.
Nanotoxicology, 8(6), 663-675 (2013-07-11)
Spontaneous agglomeration of engineered nanoparticles (ENPs) is a common problem in cell culture media which can confound interpretation of in vitro nanotoxicity studies. The authors created stable agglomerates of iron oxide nanoparticles (IONPs) in conventional culture medium, which varied in...

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