N-acetylcysteine amide
N-acetylcysteine amide (CAS: 38520-57-9), with the molecular formula C5H10N2O2S and a molecular weight of 162.21 g/mol, is a valuable research chemical. It presents as a white to off-white powder. This compound is recognised for its role in biological research, particularly in areas related to antioxidants and cell stress, and is supplied by TSS with an assay of ≥98% (HPLC).
- IUPAC
- (R)- 2-(Acetylamino)-3-mercapto-Propanamide,AD4,N-Acetyl-L-cysteinamide,NACA,acetylcysteinamide
- Synonyms
- (R)- 2-(Acetylamino)-3-mercapto-PropanamideAD4N-Acetyl-L-cysteinamideNACAacetylcysteinamide

Antioxidant Research
N-acetylcysteine amide serves as a subject of study in research focused on oxidative stress and antioxidant mechanisms within biological systems. Its chemical properties make it relevant for investigating cellular protection against reactive oxygen species.
Cell Biology Investigations
This compound is utilised in cell biology research to explore cellular signalling pathways and responses to various cellular stresses. Its application aids in understanding the molecular mechanisms underlying cell survival and function.
Biochemical Studies
As a bioactive small molecule, N-acetylcysteine amide is employed in biochemical investigations. Researchers use it to probe enzyme activities, protein interactions, and metabolic pathways where thiol-containing compounds play a role.
| Molecular weight | 162.21 |
|---|---|
| Empirical formula | C5H10N2O2S |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to off-white |
| Solubility | H2O: ≥20 mg/mLDMSO: >40 mg/mL |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Storage Condition | desiccated |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is N-acetylcysteine amide primarily used for?
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N-acetylcysteine amide (CAS: 38520-57-9) is primarily used in scientific research, particularly in studies involving antioxidants, cell biology, cell stress, and nitric oxide pathways.
What are the CAS number and formula for N-acetylcysteine amide?
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The CAS number for N-acetylcysteine amide is 38520-57-9, and its molecular formula is C5H10N2O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N-acetylcysteine amide with a purity of ≥98% (HPLC). TSS does not represent this product as USP, BP, EP, or for nutraceutical or food use.
What are the safety and handling precautions for N-acetylcysteine amide?
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N-acetylcysteine amide is classified with GHS07 symbol and a 'Warning' signal word. It carries the hazard statement H302 (Harmful if swallowed). Handle with appropriate personal protective equipment, avoid ingestion, and consult the Safety Data Sheet (SDS) for detailed guidance.
How is N-acetylcysteine amide packed, shipped, and exported?
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N-acetylcysteine amide is typically supplied as a white to off-white powder and stored under desiccated conditions at 2-8°C. TSS is a specialist global supplier and exporter of fine chemicals, adhering to all relevant shipping regulations.
How can I request a sample or quote for N-acetylcysteine amide?
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To request a sample or a quote for N-acetylcysteine amide, please contact our sales team through the website or direct inquiry channels, providing your contact details and required quantity.
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