

share
S-(3-Oxopropyl)-n-Acetylcysteine CAS NO 140226-30-8
Unit Price:
CAS No.:140226-30-8
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
S-(3-Oxopropyl)-n-Acetylcysteine is a specialized biochemical intermediate, a derivative of the amino acid cysteine. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical research and development. It is primarily utilized by researchers and manufacturers in the life sciences sector for applications in drug discovery, proteomics, and as a precursor for biochemical tools.
Application
- Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting oxidative stress pathways or requiring specific thiol-reactive moieties.
- Biochemical Research: Used as a reagent in proteomics and enzyme studies for protein modification, labeling, or as a model compound in metabolic pathway analysis.
- Antioxidant Prodrug Development: Serves as a key starting material for designing prodrugs that release N-acetylcysteine, a known antioxidant and mucolytic agent.
- Chemical Biology Tool: Employed in the development of activity-based probes and affinity tags due to its reactive functional groups.
- Reference Standard: Used as a high-purity analytical standard in quality control laboratories for method development and validation in pharmaceutical analysis.
Basic Information
| Product Name | S-(3-Oxopropyl)-n-Acetylcysteine |
| CAS No. | 140226-30-8 |
| Molecular Formula | C8H13NO4S |
| Molecular Weight | 219.26 g/mol |
| Synonyms | S-(3-Oxopropyl)-N-acetyl-L-cysteine; N-Acetyl-S-(3-oxopropyl)cysteine; 2-Acetamido-3-[(3-oxopropyl)sulfanyl]propanoic acid; S-(3-Oxopropyl)-N-acetylcysteine; Acetylcysteine S-(3-oxopropyl) derivative; L-Cysteine, N-acetyl-, S-(3-oxopropyl) derivative; (2R)-2-Acetamido-3-[(3-oxopropyl)sulfanyl]propanoic acid |
| EINECS | Contact for details |
Quality Control
Our S-(3-Oxopropyl)-n-Acetylcysteine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatograms and spectral data are provided to guarantee traceability and batch-to-batch consistency.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccation or storage under an inert atmosphere to maintain stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (IR) | Conforms to structure |
| Identification (NMR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| Chiral Purity | ≥ 99.0% (L-isomer) |
| Water Content (KF) | ≤ 1.0% |
| Residue on Ignition | ≤ 0.1% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


n-[[[(1S)-1-Carboxy-3-Methylbutyl]Amino]Carbonyl]-L-Glutamic Acid CAS NO 723331-20-2


L-Prolinamide CAS NO 7531-52-4


L-Asparagine CAS NO 70-47-3


Histidine CAS NO 71-00-1


L-Valine CAS NO 72-18-4


L-Phenylalanine CAS NO 63-91-2


n-Acetyl-L-Methionine CAS NO 65-82-7


Orotic Acid CAS NO 65-86-1


Kainic Acid 2-Carboxy-3-Carboxymethyl-4-Isopropenylpyrrolidine CAS NO 58002-62-3


5-Hydroxydopamine Hydrochloride CAS NO 5720-26-3


L-Tyrosine CAS NO 60-18-4


L-(+)-Ergothioneine CAS NO 497-30-3


H-Lys-Glu-Oh CAS NO 45234-02-4


L-Selenomethionine CAS NO 3211-76-5


2-Ketoglutaric Acid CAS NO 328-50-7


Poly-L-Glutamic Acid Sodium Salt CAS NO 26247-79-0


S-Allyl-L-Cysteine CAS NO 21593-77-1


L- Arginine Nitrate CAS NO 223253-05-2


Sodium Taurocholate CAS NO 145-42-6


n-Acetyl-L-Leucine CAS NO 1188-21-2
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






