Semax, a synthetic peptide with the amino acid sequence Met-Glu-His-Phe-Pro-Gly-Pro, has a molecular formula of C₃₁H₄₃N₉O₈ and a molar mass of approximately 1070 g/mol. With a purity of at least 98%, as verified by high-performance liquid chromatography (HPLC), Semax is a valuable research tool for laboratory studies. When stored at -20°C, Semax remains stable for extended periods, making it a reliable choice for researchers requiring a consistent and high-quality reference compound. For researchers seeking a trusted source of Semax, research-grade compounds are available from reputable suppliers like Alpha Amino.
Molecular Properties and Structure
Semax is a heptapeptide, consisting of seven amino acids, with a molecular structure characterized by a chain of peptide bonds. The peptide’s molecular properties, including its isoelectric point and solubility, are essential considerations for researchers preparing in-vitro stock solutions. In aqueous solutions, Semax exhibits moderate solubility, making it suitable for various laboratory analyses. The peptide’s structural properties, such as its secondary and tertiary structure, can be investigated using techniques like circular dichroism and nuclear magnetic resonance spectroscopy.
Physical Characteristics and Handling
Semax appears as a white, lyophilized powder, which is a common form for research peptides. When handling Semax, researchers should employ aseptic laboratory techniques, such as pipetting and sterile transfer, to minimize contamination and ensure accurate results. It is essential to store Semax in a cool, dry place, protected from light, to maintain its stability and purity. The peptide’s physical characteristics, including its melting point and hygroscopic properties, are also important factors to consider when preparing and storing Semax.
Purity and Quality Verification
The purity of Semax is a critical factor in laboratory research, as impurities can affect the accuracy and reliability of results. To verify the purity of Semax, researchers can use various analytical techniques, including HPLC, mass spectrometry, and amino acid analysis. A per-lot Certificate of Analysis, provided by reputable suppliers like Alpha Amino, ensures that each batch of Semax meets the required standards of purity and quality. The Certificate of Analysis typically includes information on the peptide’s purity, identity, and potency, as well as its storage and handling instructions.
| Property |
Value |
| Molecular Formula |
C₃₁H₄₃N₉O₈ |
| Molar Mass |
approximately 1070 g/mol |
| Purity |
at least 98% (HPLC) |
| Appearance |
white, lyophilized powder |
| Solubility |
moderate in aqueous solutions |
Selecting a Research-Grade Source
When selecting a supplier of Semax, researchers should look for a reputable source that provides high-quality, research-grade material. Key factors to consider include the supplier’s reputation, the purity and quality of the peptide, and the availability of a per-lot Certificate of Analysis. Alpha Amino, a US-based supplier of laboratory research chemicals, offers research-grade compounds, including Semax, with a per-lot Certificate of Analysis and transparent lot numbers. By choosing a trusted supplier, researchers can ensure the accuracy and reliability of their results.
Storage and Stability
Proper storage and handling of Semax are essential to maintain its stability and purity. The peptide should be stored at -20°C, protected from light and moisture, to prevent degradation and contamination. When stored under these conditions, Semax remains stable for extended periods, making it a reliable choice for laboratory research. Researchers should also follow proper handling procedures, such as wearing gloves and working in a sterile environment, to minimize the risk of contamination and ensure accurate results.
Frequently asked questions
What is the purity of research-grade Semax?
The purity of research-grade Semax is at least 98%, as verified by HPLC. This ensures that the peptide is suitable for laboratory research and provides accurate and reliable results.
How do I verify the quality of Semax?
To verify the quality of Semax, researchers can use various analytical techniques, including HPLC, mass spectrometry, and amino acid analysis. A per-lot Certificate of Analysis, provided by reputable suppliers like Alpha Amino, also ensures that each batch of Semax meets the required standards of purity and quality.
What are the key factors to consider when selecting a supplier of Semax?
When selecting a supplier of Semax, researchers should consider the supplier’s reputation, the purity and quality of the peptide, and the availability of a per-lot Certificate of Analysis. Alpha Amino, a US-based supplier of laboratory research chemicals, offers research-grade compounds, including Semax, with a per-lot Certificate of Analysis and transparent lot numbers.
How do I store Semax to maintain its stability and purity?
Semax should be stored at -20°C, protected from light and moisture, to prevent degradation and contamination. When stored under these conditions, Semax remains stable for extended periods, making it a reliable choice for laboratory research.
What is the importance of a per-lot Certificate of Analysis for Semax?
A per-lot Certificate of Analysis ensures that each batch of Semax meets the required standards of purity and quality. This document provides information on the peptide’s purity, identity, and potency, as well as its storage and handling instructions, allowing researchers to verify the quality of the material and ensure accurate results.
Alpha Amino products are sold strictly for laboratory and research use only and are not intended for human or veterinary use, diagnosis, treatment, or consumption.
