For Research Use Only. Not for human or veterinary consumption, diagnostic, or therapeutic use. Sold exclusively to qualified research professionals.Not for human consumption.
In Stock
Semax is a synthetic heptapeptide derived from ACTH(4-10) used in in vitro research on BDNF/NGF expression, dopaminergic signaling, and neuroprotective pathway models.
- Purity: ≥99% by HPLC
- Sequence: Met-Glu-His-Phe-Pro-Gly-Pro
- Molecular formula: C37H51N9O10S
- Molecular weight: 813.92 g/mol
- CAS: 80714-61-0
- Form: Lyophilized powder
- Storage: -20°C, protect from light
- Third-party verified COA included with every batch
For research use only. Not for human or veterinary use.
- Free standard shipping on orders over $200
- Express shipping available at checkout
- All sales are final — no returns or exchanges, as these are research-use peptides
- Orders ship in discreet, tracked packaging
- Store sealed lyophilized vials at -20°C, protected from light and moisture
- Short-term storage (up to 30 days) acceptable at 2–8°C in original packaging
- Allow vials to reach room temperature before opening to prevent condensation
- Reconstitute with bacteriostatic water; gently swirl — do not shake or vortex
- After reconstitution, store at 2–8°C and use within 30 days
- Avoid repeated freeze-thaw cycles; aliquot if longer-term storage is needed
- For research use only — handle according to standard laboratory safety practices
Semax
Clinically formulatedQuality assuredPremium gradeTrusted by patients
HPLC Verified
99.62%
Independent purity assay
Tested
Technical Specifications
Reference data for laboratory use
Appearance
White lyophilized powder
Sequence
MEHFPGP
Molecular Formula
C39H54N10O10S
Molecular Weight
854.95 Da
CAS Number
80714-61-0
Purity (HPLC)
≥99%
Receptor / Target
BDNF / nootropic
Storage
-20°C lyophilized
Reconstitution
BAC water
HPLC Analysis
Reconstitution Calculator
Interactive dilution and dosing reference
Build your protocol
0.25 mg10 mg
Protocol Results
Concentration5.00 mg/mL
Per 0.1 mL0.50 mg
Draw for dose50 units
Doses per vial4
Units shown for U-100 insulin syringe (1 mL = 100 units).
Diluent
Bacteriostatic water (0.9% benzyl alcohol) recommended. Sterile water acceptable for short-term studies.
Storage
Lyophilized: −20°C up to 24 months. Reconstituted: 2–8°C, protected from light.
Stability Window
Reconstituted material stable up to 28 days refrigerated. Avoid freeze-thaw cycles.
Calculator provided for reference only. For laboratory research use — not intended for human administration.
Semax vs Selank
Head-to-head reference comparison at the receptor and molecular level.
PropertyOur SemaxSelank
Receptor / TargetBDNF / nootropicAnxiolytic / GABA modulation
Molecular Weight854.95 Da751.9 Da
CAS Number80714-61-0129954-34-3
Reported Half-Life~hours (intranasal)~hours (intranasal)
Purity Grade≥99%≥99%
Research UseNootropic & BDNF researchNeuropeptide anxiolytic research
Why Researchers Choose Us
How we compare to typical peptide suppliers
FeatureOur LabSupplier ASupplier B
Verified purity (HPLC)
≥ 99.0%
97–98%
Verified Researcher Reviews
From qualified research professionals — institutional affiliation verified
4.9(412 verified)
Verified Buyer
"Consistent purity across three separate batches. COA matched our in-house HPLC results within 0.3%. Lyophilization quality is excellent — clean reconstitution every time."
Dr. M. Chen
University Research Lab · Academic
Purity verified: 99.6%
Method: HPLC in-house verification
Frequently Asked Questions
Everything researchers ask before ordering peptides.
Made in USA
ISO 9001 certified facility
3rd-Party Tested
Janoshik Analytical
8,000+ Labs
Trusted since 2021
92% Reorder Rate
Within 60 days
Satisfaction Promise
If your order arrives damaged or doesn't match its COA, we'll make it right.
Fast, Discreet Delivery
Discreet, plain packaging, tracked every step of the way.
Quality You Can Trust
Every batch is verified for purity and potency before it reaches you.