N-Acetyl-L-cysteine ≥96%, off-white crystalline powder

Supplier: MP BIOMEDICALS (FKA ICN BIOMED

Synonyms: Acetylcysteine(R)-2-Acetamido-3-mercaptopropanoic acid(R)-(+)-N-AcetylcysteineAc-Cys-OH

0210009850 0210009891 0210009880 0210009890 0210009825
IC10009850EA 92.09 USD
IC10009850 IC10009891 IC10009880 IC10009890 IC10009825
N-Acetyl-L-cysteine ≥96%, off-white crystalline powder
N-Acetyl-L-cysteine

N-Acetyl-L-cysteine is an acetylated amino acid with antioxidant and mucolytic properties, as a mucolytic, N-Acetyl-L-cysteine serves to dissipate disulfide bonds across mucoproteins, loosening and clearing the viscosity of sputum. It increases cellular pools of free radical scavengers.


N-Acetyl-L-Cysteine is a mucolytic agent for isolation of mycobacteria from sputum. It is also used as an anti-inflammatory drug to prevent liver damage by tylenol overdoses.


N-Acetyl-L-cysteine has shown to induce apoptosis in vascular smooth muscle cells, indicating that these cells respond differently to changes in reduction-oxidation state than other tissues that are normally protected by the presence of antioxidants. This observation in vascular smooth muscle cells indicates N-Acetyl-L-cysteine as an interventional tool upon arteriosclerotic proliferation of these cells.


Soluble in Water-100 mg/mL (with heating)


Caution: Research Use Only (RUO).

Formula: C₅H₉NO₃S
MW: 163.2 g/mol
Storage Temperature: Refrigerator
MDL Number: MFCD00004880
CAS Number: 616-91-1

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Specification Test Results

Identity Test Passes
Purity ≥96%
FTIR Conforms to Standard
Melting Point 105 - 115 °C
Optical Rotation +21.0° to +27.0°
Moisture Content ≤1%
pH (1%aq.) 2.0 - 2.8

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