NOTICE: All compounds listed are strictly for laboratory, analytical, and academic research purposes. Not for human, clinical, or veterinary consumption.

Janoshik tested
99.184%

FormLyophilized powder
Quantity5 mg
Puritythird-party HPLC-tested

Research peptide · Ref. P08

Semax - 5 mg

Name: Ouralus Semax 5 mg
Brand: Ouralus
SKU: P08
Price: 29.00 USD
Availability: InStock

Updated 2 November 2026Ouralus research desk

Synthetic peptide · 5 mg vial

A synthetic heptapeptide built on the ACTH(4–7) fragment Met-Glu-His-Phe, with a C-terminal Pro-Gly-Pro extension. Examined in the literature in the context of neurotrophic signalling.

Choose your optionSingle vial5 mg$29$17.40~~$29~~10-vial kit10 × 5 mg · save 20%$232$139.20~~$232~~

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1Single vial22 vialsBest value3+3 or more

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$29$17.40~~$29~~−40%Single vial · 5 mg

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Terms

Add 2 single vials; the cheaper one is free. One free vial per order. Kits excluded. Not combined with other codes, Drop prices or Build-a-Box. For research use only.

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Enter VERIFIED20 at checkout. One offer per order, the better price applies. For research use only.

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No code needed. Items already at a deal price are not discounted. Free shipping over $50. One offer per order, the better price applies. For research use only.

Buy one, get one free 5 mg

$29

Same-day dispatch on orders before 11am CentralBusiness days
Typically arrives 2–5 business days after dispatchCarrier estimate, not a guaranteed date
Shipment protection includedNo additional charge at checkout

For laboratory research use only. Not for human consumption.

99.184%HPLC assayed purity
Third-party reportJanoshik task #165277
View certificate ↓Full report + verify key

Characterization

What it is, stated plainly.

What it is

A synthetic heptapeptide, Met-Glu-His-Phe-Pro-Gly-Pro: the ACTH(4–7) fragment extended at the C-terminus with Pro-Gly-Pro, an extension that resists peptidase cleavage. It has no melanocortin-receptor activity of the kind full-length ACTH has, and NO DEFINED RECEPTOR HAS BEEN ESTABLISHED FOR IT. Published mechanism work concerns neurotrophic signalling; it sits in the neuropeptide literature.

Semax, not NA-Semax

This is the unmodified heptapeptide: a free amine at the N-terminal methionine and a free carboxylic acid at the C-terminal proline. Formula C37H51N9O10S, 813.9 g/mol, CAS 80714-61-0. NA-Semax is a different molecule with its own CAS number, its own listing (30 mg) and its own report; nothing on this page, including the certificate, describes it. This listing is the 5 mg Semax vial.

How a lot is verified

Purity assayed by third-party HPLC and net content (mg per vial) measured by the lab, with a certificate of analysis published where a report exists.

Handling & storage

Supplied as a lyophilized powder. Store at −20°C, desiccated and protected from light. Handled per the receiving laboratory's procedures. Not for human consumption.

Specifications

Semax 5 mg specifications.

Form: Lyophilized powder
Quantity: 5 mg
Purity: 99.184% (third-party HPLC)
CAS: 80714-61-0
Molecular formula: C37H51N9O10S
Molecular weight: 813.92 g/mol
Storage: −20°C, desiccated

A CAS number or molecular formula is shown only where it has been verified. Where one is not shown, it has not been, and none is implied.

Identity

Identifiers and handling.

CAS: 80714-61-0
Molecular formula: C37H51N9O10S
Molar mass: 813.92 g/mol
Sequence: Met-Glu-His-Phe-Pro-Gly-Pro
PubChem CID: 9811102
UNII: I5FAL2585H

Also known asACTH(4-7)-Pro-Gly-Pro · MEHFPGP · ACTH (4-10) heptapeptide analog

Handling & stability

Lyophilized: −20°C · 24 months (sealed, desiccated)

For laboratory research use only. Not for human consumption.

How we verify Semax

The certificate, before the claim.

Janoshik reports published per lot. Verify any report with its key.

Lab-fee guarantee: terms and floors →

Certificate where testedShows the batch number and test date
A verify key on every certificateCheck it on the lab's website
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View the full certificate of analysis for Semax 5 mg →

Semax specification Literature index Batch test results Semax 5 mg on the testing page

For laboratory research use only. Not for human consumption. See our full standard →

Verified buyer reviews

What buyers said about Semax.

No reviews yet. Reviews come only from verified orders.

Questions

Answered straight.

What is Semax?

Semax is a synthetic heptapeptide derived from an ACTH(4-7) fragment with a Pro-Gly-Pro extension. Ouralus supplies it as a lyophilized powder for laboratory research use only, with a third-party HPLC certificate of analysis published where tested.

What is the sequence of Semax?

The base Semax heptapeptide is Met-Glu-His-Phe-Pro-Gly-Pro (free acid), molecular formula C37H51N9O10S (PubChem CID 9811102, CAS 80714-61-0). An N-acetylated variant is a distinct related compound.

Who can order?

These materials are supplied strictly for laboratory and research use, to purchasers of legal age. They are not supplements, drugs, or foods, and are not for human or animal consumption.

Is Semax legal to buy?

Semax is supplied strictly as a research chemical for laboratory research use only — it is not a drug, supplement, or food, and not for human or animal consumption. It ships to purchasers of legal age for research use. Buyers are responsible for compliance with the laws that apply to research materials in their own jurisdiction.

Is a certificate of analysis provided with Semax?

Yes — the current lot of Semax has a third-party HPLC certificate of analysis from Janoshik, independently verifiable by lot (verify key LI1FR3Y5KSVB). The current lot assayed 99.184%. We publish the certificate before making any purity claim; this is a research chemical for laboratory use only.

Semax$29

Semax - 5 mg

What it is, stated plainly.

What it is

Semax, not NA-Semax

How a lot is verified

Handling & storage

Semax 5 mg specifications.

Identifiers and handling.

Handling & stability

The certificate, before the claim.

What buyers said about Semax.

Answered straight.

More of the catalogue.

NA-Semax

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