Buy Semax 5mg Ireland
Buy Semax 5mg in Ireland for laboratory and scientific research. Semax is a synthetic heptapeptide with the sequence Met-Glu-His-Phe-Pro-Gly-Pro (MEHFPGP). It is structurally derived from the ACTH(4–7) peptide fragment with a Pro-Gly-Pro extension and is studied in neuroscience, neuropeptide biology, neurotrophic signalling and peptide structure-function research.
Research Peptides Ireland supplies Semax 5mg as a research-use-only peptide material, with product information covering its molecular identity, peptide sequence, analytical characteristics and laboratory storage considerations.
What Is Semax?
Semax is a synthetic seven-amino-acid peptide commonly described as an ACTH-derived research peptide.
Its sequence is:
Met-Glu-His-Phe-Pro-Gly-Pro
or, using one-letter amino-acid notation:
MEHFPGP
The first part of the peptide corresponds to the ACTH(4–7) fragment, while the additional Pro-Gly-Pro sequence gives Semax its distinct molecular structure.
Semax has attracted research interest because of its interaction with biological signalling pathways associated with neuropeptides and neurotrophic factors. Experimental research has examined areas including neuronal signalling, BDNF-related pathways, neuroinflammation and peptide-receptor interactions.
Semax 5mg Product Information
| Product | Semax |
|---|---|
| Quantity | 5mg |
| Peptide type | Synthetic heptapeptide |
| Sequence | MEHFPGP |
| Full sequence | Met-Glu-His-Phe-Pro-Gly-Pro |
| CAS Number | 80714-61-0 |
| Molecular formula | C37H51N9O10S |
| Molecular weight | Approximately 813.9 g/mol |
| Peptide length | 7 amino acids |
| Typical appearance | White to off-white lyophilized powder |
| Intended use | Laboratory research |
| Human use | Not intended for human use |
The molecular weight above refers to the free peptide. Different salt forms, such as Semax acetate, can have a different molecular weight and composition.
Semax Peptide Sequence
The complete Semax sequence is:
Met-Glu-His-Phe-Pro-Gly-Pro
In one-letter notation:
MEHFPGP
The Pro-Gly-Pro extension is an important structural feature of Semax and distinguishes it from the shorter ACTH-derived peptide fragment.
Researchers studying peptide structure can use the sequence to distinguish Semax from related neuropeptides and other ACTH-derived compounds.
Semax Molecular Specifications
The commonly reported molecular characteristics of Semax include:
- CAS: 80714-61-0
- Molecular formula: C37H51N9O10S
- Molecular weight: approximately 813.9 g/mol
- Sequence: MEHFPGP
- Peptide length: 7 amino acids
- Chemical description: ACTH-derived synthetic heptapeptide
- Common research form: lyophilized peptide
These specifications are useful when checking laboratory inventory, analytical records and product documentation.
How Is Semax Studied?
Semax is primarily associated with neuroscience and neuropeptide research.
Experimental research involving Semax can investigate:
- neurotrophic signalling
- neuronal cell biology
- BDNF-related pathways
- NGF-related pathways
- neuropeptide signalling
- peptide-receptor interactions
- neuroinflammatory pathways
- cellular signalling
- peptide structure-function relationships
- synthetic peptide chemistry
Much of the scientific literature involves experimental models. Findings from cell or animal research should not automatically be interpreted as evidence of equivalent effects in humans.
Semax and Neurotrophic Research
One important area of interest is the relationship between Semax and neurotrophic signalling.
Neurotrophic factors such as brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) are involved in neuronal development, maintenance and signalling.
Researchers can investigate whether peptide compounds influence pathways associated with these signalling systems using controlled experimental models.
This makes Semax relevant to research involving:
- neuronal signalling
- neurotrophin expression
- cellular stress responses
- neuronal survival pathways
- synaptic biology
- neuroinflammation
- peptide-mediated signalling
Semax and ACTH
Semax is structurally related to a short fragment of adrenocorticotropic hormone (ACTH).
The ACTH-derived portion provides the foundation for the molecule, while the Pro-Gly-Pro extension creates the complete Semax sequence.
| Feature | Semax |
|---|---|
| Peptide length | 7 amino acids |
| Sequence | MEHFPGP |
| ACTH relationship | ACTH-derived |
| Additional sequence | Pro-Gly-Pro |
| Research area | Neuroscience and peptide biology |
| Molecular formula | C37H51N9O10S |
This structure makes Semax useful for studying how relatively small changes to peptide sequence can influence molecular properties and biological signalling.
Semax vs Selank
Semax and Selank are often discussed together because both are synthetic research peptides associated with neuroscience-related research. However, they are chemically different.
| Feature | Semax | Selank |
|---|---|---|
| Peptide length | 7 amino acids | 7 amino acids |
| Semax sequence | MEHFPGP | — |
| Selank sequence | — | TKPRPGP |
| ACTH-derived | Yes | No |
| Tuftsin-derived | No | Yes |
| Research context | Neurotrophic and neuronal signalling | Neuropeptide and signalling research |
| CAS | 80714-61-0 | 129954-34-3 |
The two peptides should therefore be treated as separate research materials rather than interchangeable compounds.
Why Choose Semax 5mg for Research?
A 5mg Semax format provides a defined quantity of a specialised synthetic peptide for laboratory investigations.
Researchers may select Semax for:
- neuroscience research
- neuropeptide studies
- peptide chemistry
- neurotrophic signalling research
- receptor and pathway studies
- structure-function experiments
- analytical peptide research
- comparative studies involving ACTH-derived peptides
The appropriate research quantity depends on the experimental design and laboratory requirements.
Semax Quality and Analytical Testing
Quality documentation is important when working with specialised research peptides.
HPLC Testing
High-performance liquid chromatography can be used to evaluate the chromatographic purity of a peptide preparation.
Mass Spectrometry
Mass spectrometry can help researchers confirm molecular identity by comparing the measured mass with the expected peptide mass.
Certificate of Analysis
A batch-specific Certificate of Analysis can provide information about the tested material, including available purity and analytical results.
Batch Identification
Researchers may also review:
- batch or lot number
- peptide identity
- sequence
- molecular weight
- purity result
- analytical method
- testing date
These details help laboratories maintain proper research records.
Semax Storage
Semax is commonly supplied as a lyophilized peptide powder.
Storage should follow the conditions supplied with the specific research product.
General laboratory considerations include:
- Keep the material protected from excessive heat.
- Protect the peptide from moisture and direct light.
- Keep the original container properly sealed.
- Avoid unnecessary temperature fluctuations.
- Follow the product-specific storage instructions.
- Use suitable laboratory procedures when handling the material.
Lyophilized peptide materials are generally more stable than prepared solutions, but storage conditions remain important for maintaining product quality.
Buy Semax 5mg Ireland Online
If you are searching for Semax 5mg Ireland, Research Peptides Ireland provides specialised research peptides for laboratory and scientific applications.
The Semax 5mg format is suitable for researchers investigating neuropeptide biology, synthetic peptide chemistry, neurotrophic signalling and related experimental pathways.
Researchers interested in other neuroscience-related peptides can also explore Selank 10mg, which is another synthetic peptide studied in neuropeptide and signalling research.
Research Use Only
Semax 5mg is supplied for laboratory and scientific research only.
It is not presented as a medicine, dietary supplement or product for human consumption. This page does not provide human dosing, administration or treatment instructions.
Researchers should follow appropriate laboratory safety procedures, institutional requirements and applicable regulations when handling synthetic peptide materials.
Frequently Asked Questions
What is Semax?
Semax is a synthetic seven-amino-acid peptide with the sequence Met-Glu-His-Phe-Pro-Gly-Pro (MEHFPGP). It is studied in neuroscience, neuropeptide and neurotrophic signalling research.
What is Semax 5mg?
Semax 5mg is a research product containing a stated quantity of 5mg of Semax peptide, commonly supplied as a lyophilized research material.
What is the Semax peptide sequence?
The Semax sequence is:
Met-Glu-His-Phe-Pro-Gly-Pro
The one-letter sequence is MEHFPGP.
What is the molecular weight of Semax 5mg?
The commonly reported molecular weight of the Semax free peptide is approximately 813.9 g/mol.
What is the molecular formula of Semax?
The commonly reported molecular formula is C37H51N9O10S.
What is the CAS number for Semax?
The commonly reported CAS number for Semax is 80714-61-0.
Is Semax 5mg an ACTH peptide?
Semax is an ACTH-derived synthetic peptide. Its structure is based on an ACTH(4–7) fragment with a Pro-Gly-Pro extension.
What is Semax 5mg researched for?
Semax is studied in areas including neurotrophic signalling, neuronal biology, neuropeptide research, neuroinflammatory pathways and peptide structure-function relationships.
Is Semax the same as Selank?
No. Semax and Selank are different synthetic peptides with different sequences and chemical structures. Semax is ACTH-derived, while Selank is a tuftsin-derived peptide.
What analytical tests are useful for Semax?
Researchers may look for HPLC purity testing, mass-spectrometry identity confirmation, batch information and a corresponding Certificate of Analysis.
Is Semax intended for human use?
No. The Semax product listed by Research Peptides Ireland is presented for laboratory research use only and is not intended for human administration.
Can I buy Semax 5mg in Ireland?
Yes. Semax 5mg Ireland is available as a research-oriented peptide product through the Research Peptides Ireland catalogue, subject to applicable purchasing and shipping requirements.



















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