

share
3-[Ethyl({[(9H-Fluoren-9-Yl)Methoxy]Carbonyl})Amino]Propanoic Acid CAS NO 172965-67-2
Unit Price:
CAS No.:172965-67-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3-[Ethyl({[(9H-Fluoren-9-Yl)Methoxy]Carbonyl})Amino]Propanoic Acid is a specialized Fmoc-protected amino acid derivative, a critical building block in modern solid-phase peptide synthesis (SPPS). Its value lies in providing a protected ethylamino propanoic acid side chain, enabling the precise construction of complex peptides and peptidomimetics. This high-purity intermediate is essential for researchers and manufacturers in pharmaceutical development, biotechnology, and advanced materials science who require reliable, high-quality reagents for producing therapeutic peptides and bioactive compounds.
Application
- Solid-Phase Peptide Synthesis (SPPS): A key protected intermediate for the controlled incorporation of ethylamino propanoic acid motifs into peptide chains.
- Pharmaceutical Research & Development: Used in the synthesis of novel peptide-based drug candidates, including hormone analogs and enzyme inhibitors.
- Bioconjugation and Linker Chemistry: Serves as a versatile spacer or functional handle for attaching peptides to other molecules, surfaces, or carriers.
- Combinatorial Chemistry Libraries: Employed in the generation of diverse peptide libraries for high-throughput screening and drug discovery.
- Production of Custom Peptides: Essential for contract research organizations (CROs) and CDMOs manufacturing bespoke peptides for clients.
- Academic Research: Used in biochemistry and molecular biology labs to study protein-protein interactions and design novel biomolecules.
Basic Information
| Product Name | 3-[Ethyl({[(9H-Fluoren-9-Yl)Methoxy]Carbonyl})Amino]Propanoic Acid |
| CAS No. | 172965-67-2 |
| Molecular Formula | C20H21NO4 |
| Molecular Weight | 339.39 g/mol |
| Synonyms | Fmoc-N-ethyl-β-alanine; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-N-ethyl-β-alanine; Fmoc-N-Et-β-Ala-OH; 3-[(Ethyl-[(9H-fluoren-9-ylmethoxy)carbonyl]amino)]propanoic acid; Nα-Fmoc-N-ethyl-β-alanine; N-Fmoc-N-ethyl-3-aminopropanoic acid; (3-{Ethyl-[(9H-fluoren-9-ylmethoxy)carbonyl]amino}propanoic acid) |
| EINECS | Contact for details |
Quality Control
Our 3-[Ethyl({[(9H-Fluoren-9-Yl)Methoxy]Carbonyl})Amino]Propanoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (NMR, IR, MS), to ensure it meets the high standards required for peptide synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee reproducible performance and supply chain traceability for critical R&D and cGMP manufacturing applications.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture. For long-term storage, consider using a desiccant.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference |
| Purity (HPLC) | ≥98.0% |
| Water Content (KF) | ≤0.5% |
| Heavy Metals | ≤20 ppm |
| Residual Solvents (GC) | Complies with ICH guidelines |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


L-Asparagine CAS NO 70-47-3


Histidine CAS NO 71-00-1


L-Valine CAS NO 72-18-4


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


L-Prolinamide CAS NO 7531-52-4


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


2-Ketoglutaric Acid CAS NO 328-50-7


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


L-Selenomethionine CAS NO 3211-76-5


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.






