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H-Val-Ala-Ala-Phe-Oh CAS NO 21957-32-4
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CAS No.:21957-32-4
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
H-Val-Ala-Ala-Phe-Oh is a high-purity synthetic tetrapeptide sequence. This compound serves as a critical building block and research tool in advanced biochemical and pharmaceutical development. It is primarily utilized by research institutions and manufacturers in the life sciences sector for applications in peptide synthesis, enzymology studies, and as a reference standard.
Application
- Pharmaceutical Intermediate: Used in the research and development of novel therapeutic peptides and peptidomimetics.
- Biochemical Research: Acts as a specific substrate or inhibitor in enzymatic assays to study protease activity and kinetics.
- Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in analytical laboratories.
- Peptide Synthesis: A key fragment for solid-phase or solution-phase synthesis of longer, more complex peptide chains.
- Structure-Activity Relationship (SAR) Studies: Employed to investigate the relationship between peptide sequence and biological function.
Basic Information
| Product Name | H-Val-Ala-Ala-Phe-Oh |
| CAS No. | 21957-32-4 |
| Molecular Formula | C22H32N4O5 |
| Molecular Weight | 432.52 g/mol |
| Synonyms | Val-Ala-Ala-Phe; VAAF-OH; L-Valyl-L-alanyl-L-alanyl-L-phenylalanine; Tetrapeptide VAAF; H-Val-Ala-Ala-Phe-OH; N-(N-(N-(N-L-Valyl-L-alanyl)-L-alanyl)-L-phenylalanine); L-Phenylalanine, L-valyl-L-alanyl-L-alanyl- |
| EINECS | Contact for details |
Quality Control
Our H-Val-Ala-Ala-Phe-Oh is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting research and production standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain purity and prevent degradation.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Identification (HPLC/MS) | Conforms |
| Purity (HPLC) | ≥ 98.0% |
| Assay (HPLC) | ≥ 97.0% |
| Water Content (KF) | ≤ 1.0% |
| Heavy Metals | < 10 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.
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Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
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Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






