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Disclaimer:The content on this website has not been evaluated or approved by the U.S. Food and Drug Administration (FDA). Products sold by 99 Purity Peptides are offered for research and laboratory purposes only and are not intended to diagnose, treat, cure, or prevent any disease. 99 Purity Peptides is not a compounding pharmacy and does not operate as a chemical compounding facility as defined under Section 503A of the Federal Food, Drug, and Cosmetic Act. Products are not for human or veterinary use, and are not intended for ingestion, injection, or any form of administration. Purity levels may vary by product and lot; certain items may test below 99% purity.

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HomeShopCognitive & NootropicSemax
Cognitive & Nootropic

Semax

4.7 (3 Reviews)
$49.99
Certificate of Analysis10mg · Batch KIZN072426

Semax 10mg is a research-grade ACTH-derived melanocortin peptide analog developed for laboratory investigations involving melanocortin receptor signaling, neurotrophic factor regulation, intracellular signaling pathways, peptide pharmacology, and molecular neuroscience. Every batch undergoes comprehensive analytical verification to ensure purity, consistency, and reproducibility for advanced neuroscience, receptor biology, and peptide research.

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10mg · Batch KIZN072426

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Semax
Product Profile

Overview

Semax 10mg is an investigational synthetic peptide derived from the adrenocorticotropic hormone (ACTH 4-10) fragment, engineered for laboratory investigations involving melanocortin receptor biology, neurotrophic signaling, and molecular neuroscience. Researchers investigate Semax because of its interactions within melanocortin-related signaling networks and its association with pathways involving brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), intracellular kinase signaling, and peptide pharmacology. As one of the most extensively studied neuroactive peptide analogs, Semax continues to play an important role in comparative neuroscience and receptor biology research.

Semax 10mg is a research-grade synthetic ACTH-derived melanocortin peptide analog developed for laboratory investigations involving melanocortin receptor signaling, neurotrophic factor regulation, intracellular molecular communication, peptide pharmacology, and molecular neuroscience. Structurally derived from the biologically active ACTH (4-10) fragment with additional modifications that improve molecular stability, Semax has become an important investigational compound for scientists studying neuropeptide signaling and receptor-mediated cellular communication within controlled laboratory environments.

One of the defining characteristics of Semax research is its relationship with melanocortin receptor biology. Researchers investigate receptor interaction characteristics, intracellular messenger systems, receptor sensitivity, downstream signaling cascades, and coordinated molecular communication associated with melanocortin signaling pathways. These investigations continue expanding scientific understanding of neuropeptide pharmacology under carefully controlled laboratory conditions.

Scientific investigations also focus extensively on brain-derived neurotrophic factor (BDNF) signaling. Laboratory studies evaluate molecular mechanisms associated with neurotrophic factor regulation, intracellular signaling networks, transcription factor activation, neuronal communication pathways, and coordinated cellular responses. Researchers continue investigating these pathways to better understand molecular neuroscience without implying therapeutic outcomes or clinical efficacy.

Another major area of investigation involves nerve growth factor (NGF) biology and broader neurotrophin signaling networks. Researchers examine molecular communication involving neurotrophic proteins, intracellular kinase activation, gene expression regulation, peptide-receptor interactions, and coordinated signaling events. These investigations remain central to molecular neuroscience while maintaining an exclusive Research Use Only designation.

Current laboratory investigations further evaluate intracellular signaling involving MAPK/ERK, PI3K/Akt, CREB, cAMP, PKA, and additional second messenger systems associated with melanocortin-related signaling. These molecular investigations continue advancing peptide pharmacology, receptor biology, systems neuroscience, and intracellular signaling research.

Comparative peptide pharmacology represents another major area of scientific interest. Researchers frequently compare Semax with Selank, NA Semax Amidate, P21, Dihexa, Cerebrolysin-related research models, and additional neuroresearch peptides to evaluate differences in molecular stability, signaling characteristics, receptor biology, intracellular communication, and laboratory applications. Comparative investigations continue expanding scientific understanding of neuroactive peptide biology and peptide engineering.

The 10mg presentation is particularly appropriate for laboratories conducting receptor biology investigations, neurotrophic signaling studies, biomarker discovery, analytical validation, pharmacodynamic investigations, assay development, molecular characterization, peptide interaction experiments, and collaborative neuroscience research. While presentation sizes vary, the molecular identity, analytical quality standards, and intended research applications remain consistent throughout the Semax product family.

Beyond neuroscience investigations, Semax serves as an important analytical reference material within peptide chemistry, receptor biology, molecular characterization, analytical method development, peptide stability investigations, biomarker discovery, systems biology, and analytical assay optimization. Its reproducible analytical profile makes it valuable for laboratories investigating neuropeptide pharmacology and intracellular molecular signaling.

Each batch of Semax 10mg is manufactured according to research-grade production standards and undergoes comprehensive analytical verification before release. Quality assurance procedures include High-Performance Liquid Chromatography (HPLC) purity analysis, molecular identity confirmation, peptide sequence verification, and rigorous batch-specific quality control testing. These analytical measures support reproducibility, consistency, and confidence across independent laboratory investigations.

To preserve molecular integrity, Semax should be stored according to accepted laboratory recommendations for lyophilized peptides. Appropriate storage conditions, controlled handling practices, and adherence to established laboratory protocols help maintain peptide stability before analytical evaluation and experimental preparation.

Although Semax remains one of the most extensively investigated ACTH-derived neuroactive peptides, ongoing scientific research continues exploring melanocortin receptor biology, BDNF regulation, NGF signaling, intracellular kinase pathways, neurotrophic communication, and comparative peptide pharmacology. Consequently, Semax 10mg should be regarded exclusively as an investigational research peptide intended to support laboratory research and scientific discovery.

Semax 10mg is supplied exclusively for laboratory research and analytical applications. This product is intended for Research Use Only (RUO) and is not approved for human consumption, therapeutic use, veterinary applications, or diagnostic purposes.

Research DisclaimerAll products across every category are for research use only and not for human or veterinary use, diagnosis or treatment.
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Semax / Selank (Blend)

RESEARCH PEPTIDE

Buy research-grade Semax / Selank Blend 10mg/10mg (3ML). Peptide combination studied for neuropeptide and neurotransmitter research. Laboratory use only.

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Selank

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Buy research-grade Selank 10mg (3ML). Synthetic tuftsin analog studied for GABA and neuropeptide research. Laboratory use only.

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DSIP (Delta Sleep-Inducing Peptide)

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Customer Reviews
4.7
3 Reviews
5
2
4
1
3
0
2
0
1
0
3 Reviews
Robert Espinoza
August 24, 2026

Solid order. Semax came packaged well and arrived in good condition. Site has clear product specs and the COA is linked. Shipping took 5 days but everything was intact when it arrived. Good supplier.

Claire Mendoza
August 17, 2026

Placed the order on a Friday and it was at my door by Monday. Vial was sealed properly, label was clean. Product page is informative without being overwhelming. Really good experience.

Olivia Tran
July 4, 2026

First time ordering Semax and first time ordering from 99 Purity. Both good first impressions. Website well organized, product page is clear, checkout was easy. Package arrived in 3 days with the vial sealed. Really happy.

Education & Research

Further Reading.

Who Actually Ran the BPC-157 Studies, and the Ones on Semax, Selank and Epitalon?
Product Guides
Sep 22, 20265 min read

Who Actually Ran the BPC-157 Studies, and the Ones on Semax, Selank and Epitalon?

Who actually ran the BPC-157 studies, and the Semax, Selank and Epitalon research? A provenance review of the labs behind each one, and what others repeated.

FDA Peptide Compounding: The Full July 2026 Vote Record, and What's Next
Product Guides
Sep 16, 20265 min read

FDA Peptide Compounding: The Full July 2026 Vote Record, and What's Next

FDA peptide compounding 2026 explained. Every PCAC vote from July 23-24, the named dissent, why emideltide failed 6-7, and what the FDA reviews next.

How to Tell If Your Peptides Have Gone Bad: Warm Delivery, Cloudiness and Clumping
Product Guides
Sep 11, 20265 min read

How to Tell If Your Peptides Have Gone Bad: Warm Delivery, Cloudiness and Clumping

How to tell if peptides have gone bad: a laboratory guide to warm delivery, cloudy solutions and clumped cake, and what the eye cannot detect in a suspect vial.

READ

(faqs)

Frequently Asked

01

What is Semax 10mg?

Semax 10mg is a research-grade ACTH-derived melanocortin peptide analog investigated for melanocortin receptor signaling, neurotrophic factor regulation, intracellular signaling pathways, and molecular neuroscience research.
02

Which biological systems are commonly investigated with Semax?

Researchers commonly investigate Semax in studies involving melanocortin signaling, brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), intracellular kinase pathways, and neuropeptide pharmacology.
03

Which intracellular signaling pathways are associated with Semax research?

Laboratory investigations commonly evaluate MAPK/ERK, PI3K/Akt, CREB, cAMP, PKA, and additional signaling pathways associated with melanocortin-related molecular communication.
04

Why is Semax widely studied in neuroscience research?

Semax is an engineered ACTH-derived peptide analog with a well-characterized research history, making it valuable for investigations involving neurotrophic signaling, receptor biology, peptide pharmacology, and molecular neuroscience.
05

Which scientific disciplines commonly investigate Semax?

Semax is widely studied in molecular neuroscience, peptide pharmacology, receptor biology, analytical chemistry, peptide chemistry, molecular biology, biomolecular sciences, neurobiology, and systems biology.
06

What analytical testing is performed before release?

Every production batch undergoes HPLC purity testing, peptide identity verification, amino acid sequence confirmation, and comprehensive batch-specific quality control procedures to support research-grade consistency.
07

What laboratory investigations commonly include Semax?

Researchers utilize Semax in receptor biology studies, neurotrophic signaling investigations, peptide stability research, biomarker discovery, pharmacodynamic research, analytical chemistry, assay development, and systems neuroscience.
08

How should Semax be stored?

Semax should be stored according to accepted laboratory recommendations for lyophilized peptides to help preserve molecular integrity before analytical or experimental use.
09

Is Semax commonly compared with other neuroresearch peptides?

Yes. Comparative investigations commonly include Selank, NA Semax Amidate, P21, Dihexa, and related neuroactive peptides to evaluate differences in signaling characteristics, molecular stability, receptor biology, and laboratory applications.
10

What distinguishes Semax from endogenous ACTH fragments?

Researchers investigate Semax because it is a synthetically modified analog of the ACTH (4-10) fragment, engineered to improve molecular stability while preserving important research characteristics for laboratory investigations.
11

Is Semax approved for therapeutic or diagnostic use?

No. The Semax 10mg product supplied by 99 Purity Peptides is intended strictly for Research Use Only (RUO) and is not approved for human consumption, therapeutic use, diagnostic procedures, or veterinary applications.
12

How is research-grade consistency maintained?

Research-grade consistency is achieved through standardized peptide synthesis, HPLC purity verification, molecular identity confirmation, amino acid sequence verification, batch-specific quality control, and comprehensive analytical documentation.
13

What distinguishes the 10mg presentation?

The 10mg presentation provides sufficient research material for receptor biology investigations, neurotrophic signaling studies, analytical validation, biomarker discovery, and collaborative neuroscience research while maintaining identical molecular identity and analytical quality standards.
14

How does Semax differ from Selank in research?

Although both are widely investigated neuroresearch peptides, researchers compare Semax and Selank to evaluate differences in molecular structure, signaling pathways, neurotrophic biology, receptor interactions, and laboratory applications.
15

Why does Semax continue to generate scientific interest?

Its engineered ACTH-derived structure, extensive scientific literature, and ongoing investigations involving melanocortin signaling, BDNF regulation, NGF biology, and intracellular molecular pathways have established Semax as one of the most extensively studied neuroactive peptides in modern laboratory research.