Semaglutide Peptide for Sale – Direct from Shanghai Manufacturer
Semaglutide represents a landmark achievement in metabolic research, offering scientists a potent and long-acting GLP-1 receptor agonist for investigating glucose homeostasis, appetite regulation, and energy metabolism . This 31-amino acid peptide, a synthetic analog of human glucagon-like peptide-1 (GLP-1), has been engineered for enhanced stability and extended half-life, making it an indispensable research tool for scientists exploring diabetes, obesity, and metabolic disorders . If you are searching for “semaglutide peptide for sale” for your laboratory investigations, you need a manufacturing partner who understands the complexity of this incretin mimetic and can deliver the purity your studies demand. That partner is Apeptide (Shanghai) Co., Ltd. semaglutide peptide for sale
We are a legitimate, licensed manufacturer operating from our headquarters at No. B Room 326, Jinhai Road 2588, Pudong District, Shanghai, China. Our facility is dedicated to the research, development, and production of high-purity peptide raw materials, catalog peptides, fluorescent dyes, and amino acids. When you purchase semaglutide peptide for sale from shanghaiapeptides.com, you are buying directly from the source—not a middleman or reseller. semaglutide peptide for sale
Understanding Semaglutide: The Potent GLP-1 Receptor Agonist
Semaglutide is a synthetic 31-amino acid peptide analog of human glucagon-like peptide-1 (GLP-1) . It was developed through structural modifications that confer resistance to dipeptidyl peptidase-4 (DPP-4) degradation and enable once-weekly dosing through albumin binding . semaglutide peptide for sale
Key Characteristics
| Parameter | Specification |
|---|---|
| Sequence | H-His-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Arg-Gly-Arg-Gly-OH (with C18 di-acid modification) |
| Molecular Formula | C₁₈₇H₂₉₁N₄₅O₅₉ |
| Molecular Weight | Approximately 4,113.6 g/mol |
| CAS Number | 910463-68-2 |
| Form | Lyophilized powder |
| Purity | ≥99% (verified by HPLC) |
| Storage | -20°C, protected from light and moisture |
Mechanism of Action: The GLP-1 Receptor Pathway
| Pathway | Mechanism | Research Implications |
|---|---|---|
| GLP-1 Receptor Activation | High-affinity binding to GLP-1 receptors (GLP-1R) | Incretin pharmacology, receptor signaling |
| Glucose-Dependent Insulin Secretion | Stimulates insulin release only when glucose is elevated | Diabetes research, beta-cell function |
| Glucagon Suppression | Reduces postprandial glucagon secretion | Glucose homeostasis, alpha-cell biology |
| Gastric Emptying | Slows gastric emptying rate | Appetite regulation, gastrointestinal motility |
| Appetite Suppression | Acts on hypothalamic appetite centers | Obesity research, energy homeostasis |
| Beta-Cell Protection | Promotes beta-cell survival and function | Pancreatic biology, islet research |
Why Semaglutide Matters in Research
Semaglutide has been extensively studied in preclinical and clinical research, demonstrating superior efficacy in glycemic control and weight reduction compared to earlier GLP-1 analogs . Its long-acting profile and potent receptor activation make it a valuable research tool. semaglutide peptide for sale
Key Research Applications
| Research Area | Key Findings | Research Context |
|---|---|---|
| Type 2 Diabetes Research | Potent glucose-dependent insulin secretion; significant HbA1c reduction | Metabolic research, endocrinology |
| Obesity Research | Up to 15% weight reduction in preclinical models; sustained appetite suppression | Obesity, energy homeostasis |
| Cardiovascular Research | Reduces major adverse cardiovascular events (MACE); improves endothelial function | Cardiology, metabolic syndrome |
| Beta-Cell Biology | Promotes beta-cell survival and proliferation; improves insulin secretion capacity | Pancreatic biology, islet research |
| Neurobiology | Central GLP-1 receptor activation affects appetite and reward pathways | Neuroscience, feeding behavior |
| Metabolic Syndrome | Improves lipid profiles, blood pressure, and inflammatory markers | Metabolic disease, cardiovascular risk |
Potent Research-Grade Activity
| Parameter | Value |
|---|---|
| GLP-1R EC₅₀ | Sub-nanomolar range (0.1-1.0 nM) |
| Plasma Half-Life | Approximately 7 days (once-weekly dosing) |
| Albumin Binding | >99% binding to human serum albumin via C18 di-acid modification |
| DPP-4 Resistance | Aib substitution at position 2 prevents enzymatic degradation |
The Critical Importance of Quality for Semaglutide Research
When you purchase semaglutide peptide for sale, quality parameters are non-negotiable. Semaglutide is a complex 31-amino acid peptide with specific modifications (Aib residue, C18 di-acid) that require precise synthesis for full biological activity .
The Apeptide Quality Standard
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99% Purity Guarantee: Verified by High-Performance Liquid Chromatography (HPLC)
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Mass Spectrometry: Molecular weight confirmation (4,113.6 g/mol expected)
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Amino Acid Analysis: Sequence verification of all 31 amino acids
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Aib Residue Confirmation: Verification of non-coded amino acid (α-aminoisobutyric acid)
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C18 Di-Acid Confirmation: Essential for albumin binding and extended half-life
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C-Terminal Amidation Confirmation: Enhances stability
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Peptide Content Determination: Accurate net peptide weight (≥80% typical)
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Counterion Analysis: Acetate content ≤12.0%
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Water Content: ≤8.0% by Karl Fischer
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Endotoxin Testing: ≤50 EU/mg available for cell culture applications
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Batch-Specific COAs: Full traceability with Certificates of Analysis
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Stability Testing: Ensuring integrity from our lab to yours
Why Purity Matters for Semaglutide Research
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Receptor Binding Studies: EC₅₀ values in sub-nanomolar range require precise dosing
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In Vivo Studies: Once-weekly dosing demands consistent, pure material
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Cell Culture Applications: Impurities affect beta-cell viability
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Mechanistic Studies: Pathway analysis requires documented purity
The Manufacturer Advantage: Why Source Semaglutide from Apeptide
When you search for “semaglutide peptide for sale,” you encounter many options. Here is why direct sourcing from our Shanghai facility is the superior choice.
Complete Transparency
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Physical Location: We operate from No. B Room 326, Jinhai Road 2588, Pudong District, Shanghai. You can verify our credentials.
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Manufacturing Expertise: Decades of combined experience in peptide synthesis and biochemical production.
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No Middlemen: You pay manufacturer-direct pricing, not reseller markups.
Technical Expertise
Our team understands the specific requirements for semaglutide research:
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Importance of Aib residue for DPP-4 resistance
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Role of C18 di-acid for albumin binding and extended half-life
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Proper handling to maintain peptide stability
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Appropriate reconstitution for various assay systems
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Storage conditions to prevent degradation
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Documentation requirements for research compliance
Quality You Can Trust
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Rigorous Testing: Every batch undergoes HPLC and MS analysis
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Documentation: Full COAs provided for complete traceability
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Consistency: Reliable quality batch after batch
Seamless Supply to the USA Market
Sourcing semaglutide peptide for sale from China should be straightforward. We have optimized our logistics specifically for American researchers and wholesale partners.
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Fast Shipping: 5-7 business days to US addresses
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Cold-Chain Packaging: Temperature-controlled transit at -20°C for sensitive peptides
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Desiccant Protection: Double-sealed packaging to prevent moisture absorption
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Wholesale Programs: Dedicated support for small and large supply companies
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Customs Expertise: Smooth clearance with complete documentation
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Tracking Integration: Real-time visibility from Shanghai to your lab
Research Applications: Where Semaglutide Excels
Understanding the diverse applications of semaglutide helps researchers appreciate why quality matters.
Metabolic Research
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Glucose homeostasis and insulin secretion
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Beta-cell function and survival
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Appetite regulation and food intake
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Energy expenditure and body weight
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Lipid metabolism and adiposity
Type 2 Diabetes Research
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Glycemic control and HbA1c reduction
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Insulin sensitivity studies
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Glucagon suppression mechanisms
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Combination therapy investigations
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Beta-cell protection and regeneration
Obesity Research
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Diet-induced obesity (DIO) models
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Appetite suppression mechanisms
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Body composition analysis
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Metabolic rate and energy balance
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Adipose tissue biology
Cardiovascular Research
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Endothelial function and vascular biology
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Blood pressure regulation
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Lipid profile improvement
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Inflammatory marker modulation
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Myocardial protection
Neurobiology Research
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Hypothalamic appetite circuits
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Reward pathway modulation
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Central GLP-1 receptor signaling
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Food intake behavior studies
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Gut-brain axis investigations
Hepatology Research
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Non-alcoholic fatty liver disease (NAFLD) models
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Hepatic steatosis and fibrosis
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Liver fat content quantification
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Hepatocyte lipid metabolism
Frequently Asked Questions
: What exactly is semaglutide peptide for sale at Apeptide?
A: Semaglutide is a synthetic 31-amino acid peptide analog of human GLP-1, engineered for enhanced stability and extended half-life. It is a potent and selective GLP-1 receptor agonist. It is supplied strictly for laboratory investigation and in vitro research only, not for human consumption. semaglutide peptide for sale
: What purity levels do you guarantee for semaglutide?
A: We guarantee 99% purity, verified by HPLC testing with Certificates of Analysis available for every batch. Each COA provides detailed purity analysis, mass spectrometry confirmation (4,113.6 g/mol expected), and batch-specific data.
: What is the CAS number for semaglutide?
A: The CAS number for semaglutide is 910463-68-2 .
: What is the molecular weight of semaglutide?
A: The molecular weight is approximately 4,113.6 g/mol .
: How does semaglutide differ from native GLP-1?
A: Semaglutide has an Aib (α-aminoisobutyric acid) substitution at position 2, which confers resistance to DPP-4 degradation. It also has a C18 di-acid modification that enables albumin binding, extending its half-life to approximately 7 days compared to minutes for native GLP-1 .
: What is the primary mechanism of semaglutide?
A: Semaglutide activates GLP-1 receptors, stimulating glucose-dependent insulin secretion, suppressing glucagon, slowing gastric emptying, and reducing appetite via central nervous system effects . semaglutide peptide for sale
: Is your semaglutide for human consumption?
A: Absolutely not. Our semaglutide is strictly for research and laboratory use only. It is not for human consumption, clinical application, or any use involving humans or animals. Semaglutide is an FDA-approved prescription medication (Ozempic®, Wegovy®) and should only be used in approved clinical settings . All products are labeled “FOR RESEARCH USE ONLY.”
: How should I store semaglutide upon receipt?
A: Semaglutide should be stored at -20°C (freezer) immediately upon receipt, protected from light and moisture. Lyophilized powder is stable when stored properly. Avoid repeated freeze-thaw cycles. semaglutide peptide for sale
: What solvent should I use for reconstitution?
A: For most research applications, sterile water, PBS (pH 7.4), or cell culture medium is appropriate. Semaglutide is soluble in aqueous buffers. Contact our technical team for application-specific recommendations.
: Do you ship to all 50 US states?
A: Yes. We ship to research institutions, laboratories, and wholesale partners throughout the United States. semaglutide peptide for sale
: Can you accommodate bulk orders for wholesale distribution?
A: Absolutely. We offer competitive wholesale pricing for qualified partners. Contact our team through shanghaiapeptides.com with your volume requirements.
: What documentation do you provide for research compliance?
A: Every order includes batch-specific Certificates of Analysis (COAs) with HPLC and MS data. We also provide commercial invoices, packing lists, and customs documentation as needed.
Quality Control: The Apeptide Standard
Your research deserves nothing less than the highest purity materials. Our quality control protocols exceed industry standards. semaglutide peptide for sale
Analytical Methods
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HPLC Analysis: Every batch tested for purity (typically 99%+)
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Mass Spectrometry: ESI-MS or MALDI-TOF for molecular weight confirmation (4,113.6 Da expected)
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Amino Acid Analysis: Sequence verification of all 31 amino acids
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Aib Residue Confirmation: Verification of non-coded amino acid
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C18 Di-Acid Confirmation: Essential for albumin binding
-
C-Terminal Amidation Confirmation: Enhances stability
-
Peptide Content Determination: Accurate net peptide weight (≥80% typical)
-
Counterion Analysis: Acetate content ≤12.0%
-
Water Content: ≤8.0% by Karl Fischer
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Endotoxin Testing: ≤50 EU/mg available for cell culture applications
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Stability Studies: Ensuring integrity under various conditions
Batch Documentation
Each shipment includes:
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Certificate of Analysis with actual test results
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HPLC chromatogram (available upon request)
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Mass spectrometry data
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Batch number for traceability
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Expiration date and storage recommendations
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Reconstitution guidelines
Beyond Semaglutide: A Complete Research Partner
Apeptide (Shanghai) Co., Ltd. is more than just a supplier of semaglutide peptide for sale. We are a full-service biochemical manufacturer committed to advancing research worldwide.
Our Capabilities
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Custom Synthesis: Develop proprietary peptides for your specific research needs
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Catalog Peptides: Hundreds of sequences available for immediate shipment
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Incretin Peptide Library: Including GLP-1 analogs, GIP analogs, and dual agonists
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Fluorescent Dyes: High-purity labeling agents for imaging and detection
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Amino Acids: Building blocks for synthesis and research
Quality Certifications & Compliance
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Licensed manufacturer with physical facility in Pudong District, Shanghai
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Rigorous quality control protocols
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Transparent documentation and traceability
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Experienced technical support team
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Strict adherence to research-use-only compliance
The Science Behind Semaglutide: A Breakthrough in GLP-1 Analog Design
Semaglutide represents a significant advancement in GLP-1 analog design, incorporating two key modifications that optimize its pharmacokinetic profile :
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Aib (α-aminoisobutyric acid) substitution at position 2: This non-coded amino acid provides resistance to dipeptidyl peptidase-4 (DPP-4), the enzyme that rapidly degrades native GLP-1. This modification extends the peptide’s half-life from minutes to hours . semaglutide peptide for sale
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C18 di-acid modification: A fatty acid chain attached to the peptide enables reversible albumin binding. This slows renal clearance and extends the half-life to approximately 7 days, enabling once-weekly dosing studies .
The combination of these modifications results in a peptide with:
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High potency: Sub-nanomolar EC₅₀ at GLP-1 receptors
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Extended duration: Once-weekly dosing capability
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Physiological action: Glucose-dependent insulin secretion, glucagon suppression, appetite reduction
Semaglutide has become a cornerstone research tool for studying the GLP-1 pathway, metabolic regulation, and the therapeutic potential of incretin-based approache
The search for premium “semaglutide peptide for sale” ends at Apeptide (Shanghai) Co., Ltd. As a dedicated manufacturer of peptides and biochemicals, we combine scientific expertise with manufacturing integrity to deliver the purest research materials available. Whether you need semaglutide for metabolic research, diabetes studies, obesity investigations, or specialized GLP-1 receptor pharmacology, we are your trusted manufacturing partner. semaglutide peptide for sale










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