# Zellner Peptides ## Posts - [Bulk Peptide Pricing for Labs: 2026 Guide](https://zellnerpeptides.com/bulk-peptide-pricing-for-labs/): Compare bulk peptide pricing for labs. Learn about volume discounts, quote requests, and cost-per-milligram benchmarks to optimize procurement. - [Buy High Purity Research Peptides: 2026 Vendor Guide](https://zellnerpeptides.com/buy-high-purity-research-peptides/): Compare options to buy high purity research peptides in 2026. Learn how to verify purity, read COAs, and choose a supplier that meets lab standards. - [Peptide Sourcing for Academic Research: A 2026 Guide](https://zellnerpeptides.com/peptide-sourcing-for-academic-research/): Learn peptide sourcing for academic research in 2026 with our supplier due diligence checklist, COA tips, and purity testing guide. - [High Purity Peptide Synthesis Services: 2026 Guide](https://zellnerpeptides.com/high-purity-peptide-synthesis-services/): Compare high purity peptide synthesis services on purity analysis, cost per amino acid, and turnaround time. Find the right supplier for your research. - [Best Peptide Suppliers for Research: A Sourcing Guide](https://zellnerpeptides.com/best-peptide-suppliers-for-research/): Best peptide suppliers for research: Compare research peptide suppliers on quality, pricing, and turnaround time. - [How to Store Peptides Safely: A Step-by-Step Guide](https://zellnerpeptides.com/how-to-store-peptides-safely/): Learn how to store peptides safely with proper temperature control, container selection, and handling techniques. - [LabAlley vs SwissChems for Labs: A Practical Comparison](https://zellnerpeptides.com/laballey-vs-swisschems-labs-comparison/): Compare LabAlley and SwissChems for research chemicals. Evaluate purity, testing, pricing, shipping, and supplier reliability to choose the right vendor. - [How to Verify Peptide Purity: A Step-by-Step Guide](https://zellnerpeptides.com/how-to-verify-peptide-purity/): Learn how to verify peptide purity by reading COAs, interpreting HPLC results, checking batch details, and confirming identity testing. - [Peptide Stability in Experimental Buffers: A 2026 Guide](https://zellnerpeptides.com/peptide-stability-in-experimental-buffers-a-2026-guide/): Master peptide stability in experimental buffers. - [NuPeps Alternatives for Biotech Research](https://zellnerpeptides.com/nupeps-alternative-biotech-research/): Compare NuPeps alternatives for research peptides. Find high-purity suppliers, testing standards, and pricing to match your lab's needs. - [High Purity Peptide Sourcing Guide: 2026](https://zellnerpeptides.com/high-purity-peptide-sourcing-guide/): Learn how to source high-purity peptides for research. Verify authenticity, evaluate suppliers, and ensure quality with COA review and third-party testing. - [Thymosin Alpha-1: The Immune Architecture Peptide With 40 Years of Clinical Evidence](https://zellnerpeptides.com/thymosin-alpha-1-the-immune-architecture-peptide-with-40-years-of-clinical-evidence/): Zellner Bio Sciences Education Series // Vol. - [SS-31 & MOTS-C: The Mitochondrial Peptides Redefining How We Study Cellular Aging](https://zellnerpeptides.com/ss-31-mots-c-the-mitochondrial-peptides-redefining-how-we-study-cellular-aging/): Zellner Bio Sciences Education Series // Vol. - [Why Most Peptides Will Never Receive FDA Approval, and Who Benefits](https://zellnerpeptides.com/why-most-peptides-will-never-receive-fda-approval-and-who-benefits/): Zellner Bio Sciences Education Series // Vol. - [HGH vs. HGH-Analog Peptides: Mechanism, Risk Profile, and Why Peptides Work Differently](https://zellnerpeptides.com/hgh-vs-hgh-analog-peptides-mechanism-risk-profile-and-why-peptides-work-differently/): Zellner Bio Sciences Education Series // Vol. - [Why the COA Is the Most Important Document in Peptide Research](https://zellnerpeptides.com/why-the-coa-is-the-most-important-document-in-peptide-research/): Zellner Bio Sciences Education Series // Vol. - [BPC-157 & Cancer: What Does the Research Actually Say?](https://zellnerpeptides.com/831-2/): Zellner Bio Sciences Education Series // Vol. - [What Are Research Peptides and Why Does the Science Matter?](https://zellnerpeptides.com/what-are-research-peptides-and-why-does-the-science-matter/): Zellner Bio Sciences Education Series // Vol. ## Pages - [Quality Assurance page](https://zellnerpeptides.com/quality-assurance-page/): Every peptide lot sold by Zellner Peptides is independently tested by Bioviridian Inc. before release. - [COAs](https://zellnerpeptides.com/coa/) - [Affiliate Reset Password](https://zellnerpeptides.com/affiliate-reset-password/) - [Affiliate Registration](https://zellnerpeptides.com/affiliate-registration/) - [Affiliate Account](https://zellnerpeptides.com/affiliate-account/) - [Reset Password Page](https://zellnerpeptides.com/reset-password-page/) - [Affiliate Account Page](https://zellnerpeptides.com/affiliate-account-page/) - [Members](https://zellnerpeptides.com/members/) - [Affiliate Program](https://zellnerpeptides.com/affiliate-program/): At Zellner Peptides, we don't just sell research-grade peptides; we set the standard for them. - [Privacy Policy](https://zellnerpeptides.com/legal/privacy-policy/): Zellner Peptides is a trade name operated by Merica Bio Labs LLC, a limited liability company organized under the laws of the State of North Carolina ("Company"). - [Refund and Returns Policy](https://zellnerpeptides.com/legal/refund_returns/): Zellner Peptides is a trade name operated by Merica Bio Labs LLC, a limited liability company organized under the laws of the State of North Carolina ("Company"). - [Legal](https://zellnerpeptides.com/legal/) - [Terms of Service](https://zellnerpeptides.com/legal/terms-of-service/): By accessing or using www.zellnerpeptides.com, or by purchasing any products offered under the Zellner Peptides brand, you agree to be bound by these Terms of Service ("Terms"). - [Shipping and Deliver Policy](https://zellnerpeptides.com/legal/shipping-and-deliver-policy/): Zellner Peptides is a trade name operated by Merica Bio Labs LLC, a limited liability company organized under the laws of the State of North Carolina ("Company"). - [Researcher Affidavit](https://zellnerpeptides.com/legal/researcher-affidavit/): This Informed Consent & Researcher Affidavit ("Affidavit") is entered into by the individual accessing www.zellnerpeptides.com and/or procuring research materials from Zellner Peptides, a trade name of Merica Bio Labs LLC, a limited liability company organized under the laws of the State of North Carolina ("Company"). - [Disclaimers and Waivers](https://zellnerpeptides.com/legal/disclaimers-and-waivers/): Please read this Disclaimer carefully before using www.zellnerpeptides.com or purchasing any products. - [Billing and Payment Policy](https://zellnerpeptides.com/legal/billing-and-payment-policy/): Zellner Peptides is a trade name operated by Merica Bio Labs LLC, a limited liability company organized under the laws of the State of North Carolina ("Company"). - [Password Reset](https://zellnerpeptides.com/password-reset/) - [Account](https://zellnerpeptides.com/account/) - [Logout](https://zellnerpeptides.com/logout/) - [Register](https://zellnerpeptides.com/register/) - [Login](https://zellnerpeptides.com/login/) - [User](https://zellnerpeptides.com/user/) - [Home](https://zellnerpeptides.com/): Zellner Peptides is a veteran-owned research peptide company proudly based in North Carolina. - [Research Learning Center](https://zellnerpeptides.com/leanering-center/) - [My account](https://zellnerpeptides.com/my-account/) - [Checkout](https://zellnerpeptides.com/checkout/) - [Cart](https://zellnerpeptides.com/cart/) - [Shop](https://zellnerpeptides.com/shop/) - [Contact](https://zellnerpeptides.com/contact/) - [About](https://zellnerpeptides.com/about/): Zellner Peptides is a veteran-owned research peptide company proudly based in North Carolina. ## Products - [Thymosin Alpha-1](https://zellnerpeptides.com/product/zp-tha1/): Thymosin Alpha-1 | Tα1 | Thymic Immunomodulatory Peptide CAS No.: 62304-98-7 Synonyms: Tα1 | Thymalfasin | Thymosin α1 | TA1 Molecular Formula: C₁₂₉H₂₁₅N₃₃O₅₅ Molecular Weight: 3,108.32 g/mol Monoisotopic Mass: 3,106.5041 Da PubChem CID: 16130571 Peptide Sequence: Ac-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile-Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu-Glu-Ala-Glu-Asn-OH Amino Acids: 28 (N-terminally acetylated) Structure: Linear acetylated fragment of prothymosin-α; contains no cysteine residues and no disulfide bonds Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Size: 10mg - [KPV](https://zellnerpeptides.com/product/kpv/): KPV | Lys-Pro-Val | α-MSH (11-13) Anti-Inflammatory Tripeptide CAS No.: 67727-97-3 Synonyms: Lys-Pro-Val | α-MSH (11-13) | ACTH (11-13) | H-Lys-Pro-Val-OH Molecular Formula: C₁₆H₃₀N₄O₄ Molecular Weight: 342.43 g/mol PubChem CID: 125672 IUPAC Name: L-Lysyl-L-Prolyl-L-Valine Peptide Sequence: Lys-Pro-Val (K-P-V) Amino Acids: 3 (Tripeptide) Origin: C-terminal fragment (residues 11–13) of alpha-melanocyte-stimulating hormone (α-MSH) Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Size: 10mg - [Acetic Acid 0.6%](https://zellnerpeptides.com/product/acetic-acid-0-6/): Acetic Acid 0.6% | Peptide Reconstitution Solvent | Research-Grade Acidified Diluent Composition: Sterile Water + 0.6% Acetic Acid (CH₃COOH) Acetic Acid CAS No.: 64-19-7 Water CAS No.: 7732-18-5 Chemical Formula: CH₃COOH (Acetic Acid) in aqueous solution Approximate pH: ~2.7 Grade: USP-Grade / Research-Grade, Sterile-Filtered Appearance: Clear, colorless sterile solution Available Size: 10mL - [Epithalon](https://zellnerpeptides.com/product/epithalon/): Epithalon | Epitalon | AEDG Tetrapeptide Bioregulator | Telomerase & Longevity Research Peptide CAS No.: 307297-39-8 Synonyms: Epitalon | Epithalone | Epithalamin Analog | AEDG | Epithalon Tetrapeptide Molecular Formula: C₁₄H₂₂N₄O₉ Molecular Weight: 390.35 g/mol PubChem CID: 219042 Peptide Sequence: Ala-Glu-Asp-Gly (AEDG) Amino Acids: 4 (Tetrapeptide) Peptide Class: Khavinson Bioregulator | Pineal Gland Peptide Analog Origin: Synthetic analog of Epithalamin, a natural pineal gland polypeptide extract; developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology Appearance: Lyophilized White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg | 20mg | 50mg - [Cagrilintide](https://zellnerpeptides.com/product/cagrilintide/): Cagrilintide | Long-Acting Amylin Analog | Acylated Amylin/Calcitonin Receptor Agonist CAS No.: 1415456-99-3 Synonyms: AM833 | NN9838 | Cagrilintide Acetate Molecular Formula: C₁₇₄H₂₇₁N₄₃O₅₁ (verify against batch COA) Molecular Weight: ~3,706 Da (⚠ your COA lists 4,409.0 — reconcile with lab before publishing) Sequence Basis: 37-amino-acid pramlintide-like backbone with N14E, V17R, P37Y substitutions Modification: N-terminal acylation with a C20 eicosanedioic fatty diacid via a γ-glutamic acid linker Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 5mg - [ZP-T2](https://zellnerpeptides.com/product/zp-t2/): GLP-2T | Dual Incretin Receptor Agonist Peptide CAS No.: 2023788-19-2 Molecular Formula: C₂₂₅H₃₄₈N₄₈O₆₈ Molecular Weight: ~4,813.53 g/mol Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 20mg, 30mg - [Lab Coat Tank](https://zellnerpeptides.com/product/mens-premium-tank-top/): It’s always a good decision to invest in premium-quality basics that’ll look good and last long. - [Z-Shirt](https://zellnerpeptides.com/product/z-shirt/): The tri-blend fabric creates a vintage, fitted look. And extreme durability makes this t-shirt withstand repeated washings and still remain super comfortable. - [GLOW](https://zellnerpeptides.com/product/glow/): ⚠ NOT FOR HUMAN CONSUMPTION. NOT FOR VETERINARY USE. FOR IN VITRO AND LABORATORY RESEARCH PURPOSES ONLY. - [KLOW](https://zellnerpeptides.com/product/klow/): KLOW | Advanced Tissue Recovery Peptide Blend | 80mg Research Formulation Product Type: Multi-Peptide Research Blend Total Peptide Content: 80mg per vial Appearance: Lyophilized White to Off-White Powder Purity: ≥99% Per Individual Component — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Size: 80mg (Single Vial) - [DSIP](https://zellnerpeptides.com/product/dsip/): DSIP | Delta Sleep-Inducing Peptide | Neuroregulatory Nonapeptide CAS No.: 62568-57-4 Synonyms: Delta Sleep-Inducing Peptide | Emideltide | Sleep-Promoting Peptide | DSIP Molecular Formula: C₃₅H₄₈N₁₀O₁₅ Molecular Weight: 848.82 g/mol Peptide Sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu (WAGGDASGE) Amino Acids: 9 (Nonapeptide) Origin: First isolated from cerebral venous blood of rabbits during slow-wave sleep by Schoenenberger and Monnier (1977) Appearance: Lyophilized White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Size: 10mg - [NAD+](https://zellnerpeptides.com/product/nad/): NAD+ | Nicotinamide Adenine Dinucleotide | Mitochondrial Coenzyme & Longevity Research Compound CAS No.: 53-84-9 Synonyms: β-NAD⁺ | β-DPN | Diphosphopyridine Nucleotide | Coenzyme I | DPN | Coenzyme I Molecular Formula: C₂₁H₂₇N₇O₁₄P₂⁺ Molecular Weight: 664.42 g/mol PubChem CID: 925 ChEBI: CHEBI:16908 Structure: Dinucleotide — ribosylnicotinamide 5'-diphosphate coupled to adenosine 5'-phosphate via pyrophosphate linkage Oxidation State: Oxidized form (NAD⁺) — electron acceptor Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Size: 500mg - [Lab Coats](https://zellnerpeptides.com/product/unisex-organic-cotton-creator-2-0-t-shirt/): Made from 100% organic ring-spun cotton, this unisex t-shirt is a total must-have. It's high-quality, super comfy, and best of all—eco-friendly. - [HCG](https://zellnerpeptides.com/product/hcg/): HCG | Human Chorionic Gonadotropin | Heterodimeric Glycoprotein Hormone CAS No.: 9002-61-3 Synonyms: Human Chorionic Gonadotropin | hCG | Choriogonin | Choriogonadotropin Molecular Weight: ~37,900 Da (37.9 kDa) Structure: Heterodimeric glycoprotein — two non-covalently linked subunits α-Subunit: 92 amino acids (~14.9 kDa) — shared with LH, FSH, and TSH β-Subunit: 145 amino acids (~23.0 kDa) — hCG-specific, confers receptor binding selectivity Carbohydrate Content: ~31% by weight (heavily N- and O-glycosylated) Primary Receptor Target: Luteinizing Hormone/Choriogonadotropin Receptor (LHCGR) Appearance: Lyophilized White to Off-White Amorphous Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Size: 10,000 IU - [Cartalax](https://zellnerpeptides.com/product/cartalax/): Cartalax | AC-4 | AED Tripeptide Bioregulator | Chondroprotective Cartilage Research Peptide Synonyms: AED | AC-4 | T-31 | Ala-Glu-Asp | Alanyl-Glutamyl-Aspartic Acid | SCHEMBL5324601 Amino Acid Sequence: Ala-Glu-Asp (AED) Molecular Formula: C₁₂H₁₉N₃O₈ Molecular Weight: 333.29 g/mol PubChem CID: 87815447 Peptide Class: Khavinson Bioregulator | Cytomedicin | Tissue-Specific Tripeptide Amino Acids: 3 (Tripeptide) Origin: Developed by Professor Vladimir Khavinson and the St. Petersburg Institute of Bioregulation and Gerontology as a cartilage-derived peptide engineered to normalize cartilage and musculoskeletal tissue function by modulating gene expression in fibroblasts and chondrocytes Collagen Homology: Sequence matches found in the alpha-1 chain of type XI collagen, which plays a key role in maintaining cartilage integrity and organizing the extracellular matrix Appearance: Lyophilized White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg - [PT-141](https://zellnerpeptides.com/product/pt-141/): PT-141 | Bremelanotide | Cyclic Melanocortin Receptor Agonist Peptide CAS No.: 189691-06-3 Synonyms: Bremelanotide | MT-PT141 | Bremerdam | PT141 Molecular Formula: C₅₀H₆₈N₁₄O₁₀ Molecular Weight: 1,025.18 g/mol PubChem CID: 9941379 Peptide Sequence: Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂ Structure: Cyclic lactam heptapeptide — intramolecular lactam bridge between Asp and Lys residues Amino Acids: 7 (cyclized heptapeptide) Primary Receptor Targets: MC1-R, MC3-R, MC4-R Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg - [Same-Day Processing | Priority Order Upgrade](https://zellnerpeptides.com/product/same-day-processing-priority-order-upgrade/): By default, Zellner Peptides orders are subject to a standard processing window of up to 5 business days before shipment. - [Melanotan 2](https://zellnerpeptides.com/product/melanotan2/): Melanotan II | MT-II | Cyclic Melanocortin Receptor Agonist Peptide CAS No.: 121062-08-6 Synonyms: MT-II | Melanotan-2 | MT2 Molecular Formula: C₅₀H₆₉N₁₅O₉ Molecular Weight: 1,024.18 g/mol PubChem CID: 92432 Peptide Sequence: Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH₂ Structure: Cyclic lactam analog of alpha-melanocyte-stimulating hormone (α-MSH) Amino Acids: 7 (cyclized heptapeptide) Origin: Synthetic analog of endogenous α-MSH; originally developed at the University of Arizona Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg - [CJC-1295 (NO DAC)](https://zellnerpeptides.com/product/cjc-1295-no-dac/): CJC-1295 (No DAC) | Modified GRF (1-29) | GHRH Analog Peptide CAS No.: 446036-97-1 Synonyms: Modified GRF (1-29) | Mod-GRF (1-29) | GHRH (1-29)-NH₂ Molecular Formula: C₁₅₂H₂₅₂N₄₄O₄₂ Molecular Weight: 3,367.9 g/mol Peptide Sequence: Tyr-D-Ala-Asp-Ala-Ile-Phe-Thr-Gln-Ser-Tyr-Arg-Lys-Val-Leu-Ala-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Leu-Ser-Arg-NH₂ Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10 mg - [Ipamorelin](https://zellnerpeptides.com/product/ipamorelin/): ⚠ NOT FOR HUMAN CONSUMPTION. NOT FOR VETERINARY USE. FOR IN VITRO AND LABORATORY RESEARCH PURPOSES ONLY. - [Sermorelin](https://zellnerpeptides.com/product/sermorelin/): ⚠ NOT FOR HUMAN CONSUMPTION. NOT FOR VETERINARY USE. FOR IN VITRO AND LABORATORY RESEARCH PURPOSES ONLY. - [Tesamorelin](https://zellnerpeptides.com/product/teza/): ⚠ NOT FOR HUMAN CONSUMPTION. NOT FOR VETERINARY USE. FOR IN VITRO AND LABORATORY RESEARCH PURPOSES ONLY. - [BPC-157](https://zellnerpeptides.com/product/bpc-157/): BPC-157 | Body Protection Compound | Gastric Pentadecapeptide CAS No.: 137525-51-0 Synonyms: Body Protection Compound-157 | Pentadecapeptide BPC | GEPPPGKPADDAGLV | Bepecin Molecular Formula: C₆₂H₉₈N₁₆O₂₂ Molecular Weight: 1,419.55 g/mol Peptide Sequence: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val Amino Acids: 15 (Pentadecapeptide) Appearance: Lyophilized White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg | 20mg - [SS-31](https://zellnerpeptides.com/product/ss-31/): SS-31 | Mitochondria-Targeting Tetrapeptide | Cardiolipin Stabilizer CAS No.: 736992-21-5 Synonyms: Elamipretide | Bendavia | MTP-131 | Szeto-Schiller-31 | SBT-272 | RX-31 Molecular Formula: C₃₂H₄₉N₉O₅ Molecular Weight: 639.8 g/mol Peptide Sequence: D-Arg-Dmt-Lys-Phe-NH₂ (Dmt = 2',6'-Dimethyltyrosine) Amino Acids: 4 (Tetrapeptide) Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg - [Z Water 10ML](https://zellnerpeptides.com/product/bac-water/): Bacteriostatic Water | 0.9% Benzyl Alcohol | Sterile Research Diluent Common Abbreviation: BWFI (Bacteriostatic Water for Injection) Composition: Sterile Purified Water USP + 0.9% Benzyl Alcohol (Preservative) Chemical Formula: H₂O + 0.9% C₇H₈O (Benzyl Alcohol) Water CAS No.: 7732-18-5 Benzyl Alcohol CAS No.: 100-51-6 Grade: USP Standard pH Range: 4.5 – 7.0 Osmolality: Hypotonic Container Type: Multi-dose vial — suitable for repeated puncture under aseptic technique Appearance: Clear, colorless, odorless sterile solution Available Sizes: 10mL | 30mL - [GHK-Cu](https://zellnerpeptides.com/product/ghk-cu/): GHK-Cu | Copper Tripeptide Complex | Glycyl-L-Histidyl-L-Lysine Copper(II) CAS No.: 89030-95-5 (copper complex) | 49557-75-7 (free tripeptide base) Synonyms: Copper Peptide | Glycyl-L-Histidyl-L-Lysine Copper(II) | Tripeptide-1 Copper | Liver Cell Growth Factor | GHK Copper Molecular Formula: C₁₄H₂₃CuN₆O₄ Molecular Weight: 401.91 g/mol Peptide Sequence: Gly-His-Lys (Cu²⁺) Amino Acids: 3 (Tripeptide) Copper Coordination: Cu²⁺ chelated via histidine imidazole ring, glycine terminal amine, and deprotonated glycine-histidine amide nitrogen Appearance: Lyophilized Blue to Blue-Green Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 50mg | 100mg | - [Mot-C](https://zellnerpeptides.com/product/mot-c/): MOTS-c | Mitochondrial-Derived Peptide | MT-RNR1 Encoded Metabolic Regulator CAS No.: 1627580-64-6 Synonyms: Mitochondrial Open Reading Frame of the 12S rRNA Type-C | MT-RNR1 Peptide | Mitochondrial Derived Peptide (MDP) Molecular Formula: C₁₀₁H₁₅₂N₂₈O₂₂S₂ Molecular Weight: 2,174.64 g/mol Peptide Sequence: Met-Arg-Trp-Gln-Glu-Met-Gly-Tyr-Ile-Phe-Tyr-Pro-Arg-Lys-Leu-Arg (MRWQEMGYIFYPRKLR) Amino Acids: 16 Origin: Encoded within the 12S rRNA gene (MT-RNR1) of mitochondrial DNA Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 40mg - [TB-500](https://zellnerpeptides.com/product/tb-500/): TB-500 | Thymosin Beta-4 | Actin-Binding Regenerative Peptide CAS No.: 77591-33-4 Synonyms: Thymosin Beta-4 | Tβ4 | TB4 | Thymosin β4 Acetate Molecular Formula: C₂₁₂H₃₅₀N₅₆O₇₈S Molecular Weight: 4,963.44 g/mol PubChem CID: 16132341 Peptide Sequence: Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser Amino Acids: 43 Key Active Domain: LKKTETQ (positions 17–23) — conserved actin-binding region Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg - [Selank](https://zellnerpeptides.com/product/selank/): Selank | Tuftsin-Derived Heptapeptide | GABAergic Neuromodulatory Research Peptide CAS No.: 129954-34-3 Synonyms: TP-7 | Selanc | PL-14736 | H-Thr-Lys-Pro-Arg-Pro-Gly-Pro-OH Molecular Formula: C₃₃H₅₇N₁₁O₉ Molecular Weight: 751.89 g/mol Peptide Sequence: Thr-Lys-Pro-Arg-Pro-Gly-Pro Amino Acids: 7 (Heptapeptide) Origin: Synthetic analog of tuftsin (Thr-Lys-Pro-Arg), an endogenous immunomodulatory tetrapeptide derived from the Fc region of IgG Developer: Institute of Molecular Genetics, Russian Academy of Sciences Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg - [AOD-9604](https://zellnerpeptides.com/product/aod-9604/): AOD-9604 | hGH Fragment 176–191 | Lipolytic Growth Hormone-Derived Research Peptide CAS No.: 221231-10-3 Synonyms: AOD9604 | AOD 9604 | hGH Frag 176-191 | Tyr-hGH Fragment 176-191 Molecular Formula: C₇₈H₁₂₃N₂₃O₂₃S₂ Molecular Weight: 1,815.10 g/mol PubChem CID: 16131447 Peptide Sequence: Tyr-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe-OH Amino Acids: 16 Disulfide Bridge: Cys7–Cys15 (intramolecular) Origin: Synthetic fragment corresponding to residues 176–191 of human growth hormone (hGH), with N-terminal tyrosine addition Appearance: Lyophilized White to Off-White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg - [ZP-R3](https://zellnerpeptides.com/product/zlp-3r/): GLP-3R | Triple Hormone Receptor Agonist Peptide CAS No.: 2381089-83-2 Molecular Formula: C₂₂₂H₃₅₀N₅₆O₆₅ Appearance: Lyophilized White Powder Purity: ≥99% — Independently Verified by Third-Party HPLC & Mass Spectrometry Available Sizes: 10mg | 20mg | 30mg | 60mg ## Optional - [Agent (MCP protocol)](websites-agents.hostinger.com/zellnerpeptides.com/mcp) [comment]: # (Generated by Hostinger Tools Plugin)