Semaglutide
Synthetic 31-amino-acid polypeptide sequence with an Aib8 substitution and a C18 diacid chain at Lys26. Produced by solid-phase peptide synthesis (SPPS) for analytical and chemical reference use.
High-purity incretin sequence standards, synthetic reference peptides, and cosmetic peptide ingredients. Synthesized under controlled laboratory standards with analytical HPLC purity ≥99%, available for worldwide bulk procurement.
Synthetic 31-amino-acid polypeptide sequence with an Aib8 substitution and a C18 diacid chain at Lys26. Produced by solid-phase peptide synthesis (SPPS) for analytical and chemical reference use.
Synthetic 39-amino-acid peptide sequence containing dual Aib substitutions and a C20 fatty diacid moiety. High-purity reference material for chemical testing and laboratory synthesis analysis.
(Retatrutide Analytical Reference Standard)
Synthetic 39-amino-acid peptide with multiple functional sequence modifications. Characterized by analytical HPLC and high-resolution mass spectrometry for laboratory analytical investigations.
Synthetic polypeptide analogue containing sequence substitutions and a lipophilic side-chain attachment. Synthesized as a chemical reference compound for in vitro laboratory characterization.
(Pentadecapeptide BPC-157)
Synthetic 15-amino-acid pentadecapeptide with the defined primary structure Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. High-purity reference reagent for laboratory testing.
(Thymosin Beta-4 Synthetic Fragment)
Synthetic linear peptide replicating the specific sequence fragment of Thymosin Beta-4. Supplied in sterile borosilicate vials as a lyophilized reference standard for biochemical characterization.
(Epitalon Tetrapeptide)
Synthetic tetrapeptide comprised of alanine, glutamic acid, aspartic acid, and glycine. Produced by solid-phase peptide synthesis (SPPS) for biochemical research and reference standard applications.
(Delta Sleep-Inducing Peptide Sequence)
Synthetic 9-amino-acid linear neuropeptide sequence with defined stereochemistry. Manufactured to high analytical purity for mass spectrometry and biochemical laboratory research.
(Copper Tripeptide-1 Hydrochloride)
Chelated organometallic copper tripeptide complex in hydrochloride salt form. Premium blue powder ingredient manufactured under ISO-compliant conditions for topical cosmetic formulation.
(Copper Tripeptide-1 Acetate)
Organic acetate counter-ion form of copper tripeptide-1. Manufactured to high analytical purity with low ionic conductance profile, ideal for premium topical skincare formulation.
(Lys-Pro-Val Tripeptide)
Synthetic tripeptide comprised of L-lysine, L-proline, and L-valine. Produced via solid-phase synthesis as a verified biochemical reference compound for laboratory analytical assays.
(Snap-8 Sequence Standard)
Synthetic octapeptide with an N-terminal acetyl group and C-terminal amide. High-purity cosmetic raw material powder intended for topical skincare formulation and cosmetic development.
(Mitochondrial-Derived Peptide Standard)
Synthetic 16-amino-acid peptide corresponding to the mitochondrial 12S rRNA open reading frame sequence. Lyophilized chemical reference compound for in vitro laboratory analysis.
(TP-7 Synthetic Heptapeptide)
Synthetic 7-amino-acid peptide sequence produced by solid-phase peptide synthesis (SPPS). Analytical reference standard intended for laboratory chemical assays and chromatographic calibration.
(Heptapeptide Sequence Standard)
Synthetic heptapeptide sequence with C-terminal Pro-Gly-Pro tripeptide stabilization. Supplied as a high-purity chemical reference material for mass spectrometry and in vitro testing.
(Matrixyl (PP-4) Raw Material)
Synthetic lipopeptide consisting of a palmitoyl chain coupled to the pentapeptide sequence Lys-Thr-Thr-Lys-Ser. Cosmetic raw material powder for topical skincare formulation development.
(XEP-018 Cosmetic Standard)
Synthetic 22-amino-acid peptide sequence patterned after biomimetic marine peptides. Produced to cosmetic grade purity specifications for advanced topical cosmetic formulation.
(Crystalide Cosmetic Peptide)
Synthetic palmitoylated tetrapeptide raw material manufactured to high analytical standards. Used as an active peptide ingredient in high-performance cosmetic formulation development.
(Pal-GQPR Cosmetic Raw Material)
Synthetic lipopeptide consisting of a palmitoyl moiety conjugated to the Gly-Gln-Pro-Arg tetrapeptide sequence. High-purity cosmetic active ingredient for topical skincare formulation.
(Melitane Cosmetic Peptide)
Synthetic hexapeptide sequence with terminal acetylation and amidation. High-purity cosmetic raw material powder intended for hair care and topical cosmetic formulation development.
(SymPeptide 230 Raw Material)
Synthetic myristoylated pentapeptide sequence with terminal amidation. Manufactured to cosmetic grade specifications for eyelash serums and topical cosmetic formulations.
(L-Glutathione Reduced (GSH))
Endogenous physiological tripeptide composed of glutamate, cysteine, and glycine linked by an atypical peptide bond. Premium cosmetic raw material powder with ultra-high purity for topical skincare formulations and biochemical laboratory research.
We could not find chemical raw materials matching your query. We also synthesize custom peptide sequences on demand.
Direct manufacturer capability, verified analytical purity, and end-to-end supply chain reliability.
Every batch of peptide raw material is independently validated by analytical HPLC and high-resolution mass spectrometry. We guarantee single-peak purity ≥98% to ≥99% with batch-specific COA reports.
From milligrams for laboratory chemical testing to multi-kilogram production runs for commercial cosmetic raw materials. We support custom SPPS synthesis, lipidations, cyclization, and diverse counter-ion salts.
Lyophilized peptides are packaged under nitrogen blanket in sealed borosilicate vials. We offer insured express shipping to North America, Europe, Asia, and Latin America with dedicated customs documentation.
Essential information on product purity, ordering procedures, and regulatory compliance.
Every batch produced by COSPEP Biotech is analyzed using High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (LC-MS / ESI-MS) to confirm sequence identity and guarantee purity levels between ≥98.0% and ≥99.0%. Each order includes a batch-specific Certificate of Analysis (COA).
Yes, we provide bulk chemical supply ranging from milligram analytical standards up to multi-kilogram commercial production batches. We also offer custom solid-phase peptide synthesis (SPPS), sequence modifications, counter-ion exchanges, and customized aliquoting.
All peptides are supplied as lyophilized solid cakes or crystalline powders sealed in inert borosilicate glass vials under nitrogen blanket. Recommended storage is desiccated at -20°C for analytical peptides, or 2-8°C protected from light for cosmetic raw materials.
No. All catalog items are chemical raw materials and reference standards intended solely for in vitro laboratory chemical research, analytical calibration, and cosmetic raw material formulation. Products are not intended for human or animal consumption, diagnostic, or therapeutic use.
Our custom peptide synthesis laboratory can produce specialized sequences, cyclic peptides, and modified conjugates with HPLC purity up to 99%.
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