Peptide Library: Verified Research Compounds

peptide library

Welcome to the official peptide library archives on Pepguides. This comprehensive reference index provides detailed analytical disclosures, structural sequences, and purity standards for experimental compounds. For broader scientific literature references and biochemical trial documentation, researchers frequently cross-reference data with repositories like PubMed. Explore our complete peptide library entries below to examine specifications for tissue regeneration agents, metabolic regulators, and receptor agonists.

BPC-157

Tissue Regeneration Cytoprotection

Classification: Pentadecapeptide / Gastric Juice Derivative

BPC-157 is a stable gastric pentadecapeptide cataloged within our peptide library and investigated extensively for its remarkable healing properties across soft tissues, tendons, ligaments, and gastrointestinal barriers.

Key Research Areas

  • Tendon & Ligament Repair: Accelerates fibroblast proliferation and tensile strength restoration in damaged connective tissues.
  • Angiogenesis & Gut Health: Stimulates new blood vessel formation via growth factor upregulation and shields mucosal integrity.

Synergy & Stacking Protocol

Frequently paired with TB-500 in dual-action tissue-repair frameworks to simultaneously target cellular migration and vascular growth dynamics.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.1% • Independent Laboratory Tested

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Primary Specifications

Sequence: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val
Mol. Weight: ~1,419.5 g/mol
CAS Number: 137525-51-0

Standard Vial Size: 10mg
Storage: Desiccated at -20°C; Reconstituted 2°C to 8°C
Purity Standard: ≥99.0% (HPLC)

CJC-1295 (No DAC)

Endocrine Research Growth Hormone

Classification: Growth Hormone Releasing Hormone (GHRH) Analog (Mod GRF 1-29)

CJC-1295 without DAC is a modified short-acting analog of GHRH featured in our peptide library, designed to stimulate short, sharp physiological pulses of growth hormone matching natural secretion cycles.

Key Research Areas

  • Pulsatile GH Release: Offers a brief half-life suited for replicating natural somatotropic bursts when combined with secretagogues.
  • Pituitary Axis Studies: Evaluated for sustaining sensitivity without receptor desensitization over time.

Synergy & Stacking Protocol

Commonly stacked with Ipamorelin to replicate synchronized, natural pulsatile growth hormone release dynamics without receptor exhaustion.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.0% • Independent Laboratory Tested

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Primary Specifications

Type: Tetrasubstituted 29-amino acid peptide
Mol. Weight: ~3,367.2 g/mol
CAS Number: 863288-34-0

Standard Vial Size: 10mg
Storage: Desiccated at -20°C; Protect from light
Purity Standard: ≥98.5% (HPLC)

DSIP

Sleep Regulation Neuromodulation

Classification: Neuropeptide / Sleep-Inducing Peptide

DSIP (Delta Sleep-Inducing Peptide) is a neuropeptide listed in this peptide library that is primarily found in the brain and has been studied for its capacity to modulate slow-wave sleep patterns and stress response systems.

Key Research Areas

  • Sleep Architecture: Investigated for its regulatory influence on delta wave sleep phases and circadian rhythms.
  • Stress Adaptation: Studied for neuroprotective functions and balancing endocrine responses under physiological stress models.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.2% • Independent Laboratory Tested

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Primary Specifications

Sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
Mol. Weight: ~848.8 g/mol
CAS Number: 62568-57-4

Standard Vial Size: 10mg
Storage: Freeze-dried at -20°C
Purity Standard: ≥98.0% (HPLC)

GHK-CU

Tissue Regeneration Copper Peptide

Classification: Naturally Occurring Copper Tripeptide

GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper(II)) is a small tripeptide maintained within our peptide library with a strong affinity for copper ions, known for its extensive regenerative, wound-healing, and skin-remodeling properties.

Key Research Areas

  • Collagen & ECM Remodeling: Stimulates synthesis of collagen, elastin, and glycosaminoglycans in dermal fibroblasts.
  • Anti-Inflammatory & Antioxidant: Modulates tissue repair responses, reduces oxidative tissue damage, and promotes blood vessel growth.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.0% • Independent Laboratory Tested

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Primary Specifications

Sequence: Gly-His-Lys:Cu2+
Mol. Weight: ~340.4 g/mol (peptide base)
CAS Number: 49557-75-7

Standard Vial Size: 50mg
Storage: Store tightly sealed at room temp or 2°C to 8°C
Purity Standard: ≥98.0% (HPLC)

Glow

Dermatological Research Regenerative Blend

Classification: Specialized Peptide Blend

Glow is a specialized multi-compound research blend formulated within our peptide library to evaluate synergistic outcomes in tissue integrity, dermal matrix regeneration, and cellular vitality.

Key Research Areas

  • Extracellular Matrix: Studied for stimulation of structural proteins and fibroblast health.
  • Synergistic Renewal: Examined for comprehensive recovery and anti-aging experimental models.

Certificate of Analysis (COA)

Batch Verification: Blend Matrix HPLC Purity ≥ 99.0% • Independent Laboratory Tested

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Primary Specifications

Type: Multi-Compound Blend Matrix
Formulation: Proprietary research ratios
CAS Number: Mixture / Composite

Standard Vial Size: 70mg
Storage: Desiccated at -20°C
Purity Standard: ≥98.5% Composite Verification

Ipamorelin

Endocrine Research Secretagogue

Classification: Selective Growth Hormone Secretagogue / Ghrelin Agonist

Ipamorelin is a selective ghrelin receptor agonist and growth hormone secretagogue indexed in our peptide library that stimulates growth hormone release with minimal impact on cortisol or prolactin levels.

Key Research Areas

  • Selective GH Pulsing: Highly valued in research for a clean profile, avoiding unwanted stress hormone spikes.
  • Synergistic Stacking: Studied alongside GHRHs like CJC-1295 to mimic natural pulsatile release dynamics.

Synergy & Stacking Protocol

Frequently combined with GHRH secretagogues such as CJC-1295 (No DAC) for optimal somatotropic axis engagement.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.3% • Independent Laboratory Tested

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Primary Specifications

Sequence: Aib-His-D-2-Nal-D-Phe-Lys-NH2
Mol. Weight: ~711.9 g/mol
CAS Number: 170851-70-4

Standard Vial Size: 10mg
Storage: Desiccated at -20°C
Purity Standard: ≥99.0% (HPLC)

Ivermectin

Antiparasitic Cellular Research

Classification: Broad-Spectrum Macrocyclic Lactone

Ivermectin is a well-documented broad-spectrum agent traditionally utilized in parasitic control models, featured in our peptide library framework with extended modern evaluations exploring nuclear transport mechanisms.

Key Research Areas

  • Nuclear Transport Inhibition: Investigated for binding to importin alpha/beta heterodimers, affecting nuclear import proteins.
  • Cellular Assays: Extensively referenced in broad-spectrum biological and biochemical trial models.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.0% • Independent Laboratory Tested

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Primary Specifications

Classification: Macrocyclic Lactone Derivative
Mol. Weight: ~875.1 g/mol (B1a component)
CAS Number: 70288-86-7

Standard Dosage Unit: 12mg
Storage: Room temperature, protected from light
Purity Standard: ≥98.0% (USP Grade)

MOTS-C

Mitochondrial Research Metabolic Regulation

Classification: Mitochondrial-Derived Peptide (MDP)

MOTS-C is a 16-amino acid peptide encoded within mitochondrial DNA, featured inside our peptide library as a key regulator of metabolic homeostasis, insulin sensitivity, and cellular stress responses.

Key Research Areas

  • AMPK Activation: Stimulates metabolic pathways equivalent to exercise by activating AMP-activated protein kinase (AMPK).
  • Glucose Metabolism: Enhances insulin sensitivity in skeletal muscle and protects against diet-induced metabolic dysfunction.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.0% • Independent Laboratory Tested

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Primary Specifications

Sequence: Met-Arg-Trp-Gln-Glu-Leu-Ser-Thr-Ile-Val-Glu-Val-Ile-Lys-Glu-Lys
Mol. Weight: ~2,174.6 g/mol
CAS Number: 1627580-64-6

Standard Vial Size: 20mg
Storage: Desiccated at -20°C
Purity Standard: ≥98.0% (HPLC)

NAD+

Cellular Longevity Metabolic Coenzyme

Classification: Nicotinamide Adenine Dinucleotide Coenzyme

NAD+ is an essential coenzyme found in all living cells, documented across our peptide library for playing a pivotal role in energy metabolism, mitochondrial function, DNA repair, and sirtuin activation.

Key Research Areas

  • Mitochondrial Bioenergetics: Critical for electron transport chain efficiency and cellular energy production (ATP).
  • Longevity & DNA Repair: Acts as a mandatory substrate for sirtuins and PARP enzymes involved in cellular maintenance.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.5% • Independent Laboratory Tested

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Primary Specifications

Type: Essential Dinucleotide Coenzyme
Mol. Weight: ~663.4 g/mol
CAS Number: 53-84-9

Standard Vial Size: 500mg
Storage: Protect from moisture and light at -20°C
Purity Standard: ≥99.0% (Enzymatic Assay)

Neurovexin

Neurological Research Cognitive Support

Classification: Neurotrophic Research Compound

Neurovexin is a targeted neurotrophic research agent included in our peptide library, studied for its potential influence on neural plasticity, synaptic health, and cognitive pathway maintenance.

Key Research Areas

  • Synaptic Plasticity: Examined for supporting neuronal connectivity and signaling efficiency in experimental models.
  • Neuroprotection: Studied for resilience against oxidative stressors within neural tissue environments.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.0% • Independent Laboratory Tested

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Primary Specifications

Type: Neurotrophic Research Agent
Focus: Central Nervous System Studies
CAS Number: Proprietary Registry

Standard Presentation: Research Grade Vial
Storage: Desiccated at -20°C
Purity Standard: ≥98.0% (HPLC)

Povactol

Specialized Research Cellular Compound

Classification: Proprietary Research Compound

Povactol is a specialized research compound integrated into advanced experimental protocols within our peptide library, examining targeted cellular responses and receptor dynamics.

Key Research Areas

  • Cellular Signaling: Evaluated for pathway interactions and localized tissue modulation models.
  • Experimental Application: Utilized in complex multi-compound research frameworks.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.0% • Independent Laboratory Tested

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Primary Specifications

Type: Specialized Research Derivative
Status: Exploratory In Vitro Models
CAS Number: Proprietary Registry

Standard Presentation: Research Grade Vial
Storage: Desiccated at -20°C
Purity Standard: ≥98.0% (HPLC)

Retatrutide

Weight Management Triple Agonist

Classification: Triple GIP / GLP-1 / Glucagon Receptor Agonist

Retatrutide is a next-generation "triple-agonist" peptide profiled in our peptide library targeting GIP, GLP-1, and glucagon receptors simultaneously, representing an advanced frontier in metabolic and bariatric research.

Key Research Areas

  • Tri-Receptor Synergy: Glucagon receptor engagement increases basal energy expenditure, compounding weight loss and metabolic turnover.
  • Adipose Clearance: Exhibiting unprecedented outcomes in clinical trials analyzing visceral fat clearance and hepatic lipid reduction.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.2% • Independent Laboratory Tested

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Primary Specifications

Structure: Single peptide chain engineered for triple receptor targeting
Mol. Weight: ~4,895 g/mol
CAS Number: 2381089-83-2

Standard Vial Size: 10mg
Storage: Desiccated at -20°C
Purity Standard: ≥99.0% (HPLC)

Semaglutide

Weight Management GLP-1 Agonist

Classification: Glucagon-Like Peptide-1 (GLP-1) Receptor Agonist

Semaglutide is a long-acting GLP-1 receptor agonist featured in our peptide library that mimics the incretin hormone to regulate insulin secretion, lower glucagon release, and modulate central appetite signaling.

Key Research Areas

  • Glycemic Control: Enhances glucose-dependent insulin secretion within pancreatic beta cells.
  • Appetite Regulation: Interacts with hypothalamic feeding centers to promote satiety and reduce energy intake in metabolic studies.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.4% • Independent Laboratory Tested

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Primary Specifications

Structure: Modified GLP-1 analogue with fatty acid chain
Mol. Weight: ~4,113.6 g/mol
CAS Number: 910463-68-2

Standard Vial Size: 10mg
Storage: Desiccated at -20°C
Purity Standard: ≥99.0% (HPLC)

Tesamorelin

Growth Hormone Metabolic Research

Classification: Synthetic Growth Hormone-Releasing Factor (GHRF)

Tesamorelin is a synthetic form of Growth Hormone-Releasing Factor listed in our peptide library consisting of all 44 amino acids of human GHRF with an added hexenoyl group attached to the N-terminal.

Key Research Areas

  • Endogenous GH Stimulation: Directly targets the pituitary gland to increase physiological growth hormone secretion and IGF-1 production.
  • Visceral Adipose Studies: Noted for its capacity to reduce visceral adipose tissue deposition in clinical metabolic investigations.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.1% • Independent Laboratory Tested

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Primary Specifications

Structure: 44-amino acid peptide with hexenoyl group
Mol. Weight: ~5,135.9 g/mol
CAS Number: 218949-48-5

Standard Vial Options: 5mg / 10mg
Storage: Desiccated at -20°C
Purity Standard: ≥98.5% (HPLC)

TB-500

Tissue Regeneration Anti-Inflammatory

Classification: Synthetic Fragment / Actin-Sequestering Peptide

TB-500 is a synthetic version of the active region of Thymosin Beta-4 indexed in our peptide library, playing a critical role in cellular protection, migration, and tissue remodeling.

Key Research Areas

  • Cell Migration: Promotes endothelial and keratinocyte movement to accelerate injury recovery models.
  • Anti-Inflammatory Properties: Downregulates localized inflammatory cytokines and limits fibrous scar formation.

Synergy & Stacking Protocol

Often stacked alongside BPC-157 to establish a multi-pathway matrix for connective tissue and structural repair models.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.2% • Independent Laboratory Tested

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Primary Specifications

Sequence: Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-KF-DK-SK-L
Mol. Weight: ~4,963.5 g/mol
CAS Number: 77591-33-4

Standard Vial Size: 10mg
Storage: Desiccated at -20°C
Purity Standard: ≥99.0% (HPLC)

Tirzepatide

Weight Management Dual Agonist

Classification: Dual GIP / GLP-1 Receptor Agonist

Tirzepatide is a novel single peptide molecule featured in our peptide library acting as a dual glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptor co-agonist.

Key Research Areas

  • Synergistic Incretin Action: Balanced co-activation produces advanced glycemic control and insulin sensitivity metrics.
  • Adipose Utilization: Extensively evaluated for superior outcomes in long-term metabolic control and fat mass reduction.

Certificate of Analysis (COA)

Batch Verification: HPLC Purity ≥ 99.3% • Independent Laboratory Tested

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Primary Specifications

Structure: 39-amino acid sequence with fatty diacid moiety
Mol. Weight: ~4,813.5 g/mol
CAS Number: 2023788-19-2

Standard Vial Size: 20mg
Storage: Desiccated at -20°C
Purity Standard: ≥99.0% (HPLC)

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