Explore our primary catalog of high-purity active pharmaceutical ingredients (APIs), key synthetic building blocks, and custom research peptides produced under cGMP-compliant manufacturing environments.
Semaglutide is a long-acting glucagon-like peptide-1 (GLP-1) receptor agonist that has transformed the therapeutic paradigm for type 2 diabetes mellitus and chronic weight management. Chemically structured as a 31-amino acid peptide, Semaglutide incorporates two amino acid substitutions (Aib8, Arg34) compared to native human GLP-1 (7-37) and is conjugated with a C18 fatty diacid side chain at Lys26 via a hydrophilic spacer ([2-(2-aminoethoxy)ethoxy]acetyl). The 5mg lyophilized vial dosage has emerged as a crucial benchmark specification for contract development and manufacturing organizations (CDMOs), academic researchers, and institutional procurement teams globally.
As demand for metabolic peptides accelerates worldwide, finding high-quality Semaglutide 5mg manufacturers and supply partners requires rigorous evaluation of solid-phase peptide synthesis (SPPS) capabilities, fragment condensation methodologies, liquid-phase purification technologies, and analytical validation systems. High-tier suppliers must guarantee strict trifluoroacetic acid (TFA) salt exchange protocols, low endotoxin limits, and high batch-to-batch reproducibility to ensure absolute biological consistency.
CAS Registry Number: 910463-68-2
Molecular Formula: C187H291N45O59
Molecular Weight: ~4113.58 g/mol
Sequence: H-His-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys(AEEAc-AEEAc-γ-Glu-17-carboxyheptadecanoyl)-Glu-Phe-Ile-Ala-Trp-Leu-Val-Arg-Gly-Arg-Gly-OH
HPLC Purity: ≥99.0% (Single Impurity < 0.5%)
Bacterial Endotoxin: < 0.05 EU/mg (LAL Test)
Residual Solvents: Meets ICH Q3C Guidelines (Acetonitrile < 410 ppm, DMF < 880 ppm)
Physical Form: Sterile Lyophilized White Powder (5mg/vial)
| Parameter | Analytical Benchmark | Testing Methodology | Regulatory Compliance |
|---|---|---|---|
| Appearance | White to off-white lyophilized cake | Visual inspection under D65 illuminant | Ph. Eur. / USP |
| Mass Spectrometry | Monoisotopic Mass 4111.5 ± 1.0 Da | LC-MS/MS (ESI-TOF) | ICH Q6B |
| Peptide Content (Assay) | 85.0% - 115.0% of nominal mass | Quantitative UV High-Performance Liquid Chromatography | cGMP Release Criteria |
| Counterion Content | Acetate form ≤ 12.0% / TFA ≤ 0.1% | Ion Chromatography (IC) / Headspace GC | Strict End-Product Safety |
| Sterility & Bioburden | Sterile / Bioburden Free | Membrane Filtration / Direct Inoculation | ISO 13485 / cGMP |
China has emerged as a global powerhouse in the production of peptide active pharmaceutical ingredients (APIs), key raw materials, and custom synthesis. China's chemical synthesis ecosystem provides unprecedented structural advantages for pharmaceutical entities seeking high-purity Semaglutide 5mg, Retatrutide, Tirzepatide, and associated GLP-1 peptide series.
China controls a vast percentage of the global supply of protected amino acids (Fmoc-Aib-OH, Boc-His(Trt)-OH, Fmoc-Lys(Alloc)-OH) and specialized side-chain linkers such as Boc-His(Trt)-Aib-Gln(Trt)-Gly-OH and Boc-His(Trt)-Ala-Glu(OtBu)-Gly-OH. Local sourcing of high-purity intermediates significantly drops overall production costs while eliminating cross-border logistics delays.
Chinese CDMO factories utilize automated microwave-assisted solid-phase peptide synthesis (SPPS) combined with industrial-scale continuous liquid chromatography purification columns (up to 600mm diameter). This infrastructure permits kilogram-scale batch production with consistent yield efficiency exceeding 85%.
Modern production facilities operate in strict accordance with international cGMP standards. Facilities feature cleanroom environments ranging from ISO 5 (Class 100) to ISO 8 (Class 100,000), equipped with state-of-the-art Agilent HPLC, Waters LC-MS/MS, and Shimadzu analytical instrumentation for total quality verification.
Gentolex’s goal is to create opportunities connecting the world with better services and guaranteed products. Up to date, Gentolex Group has been serving customers from more than 10 countries; specifically, regional representatives and logistic hubs are established in key markets such as Mexico and South Africa. Our core capabilities span the entirety of the pharmaceutical lifecycle: supplying peptide APIs, custom synthesized peptides, FDF license-out solutions, technical support and consultation, production line and lab setup, as well as comprehensive sourcing and supply chain management.
An overall factory construction area of 250,000 square meters under international standards offers flexible, scalable, and cost-effective solutions for specialty chemicals and peptide precursors.
Gentolex offers an extensive range of APIs and intermediates for development studies and commercial applications adhering to cGMP standards from long-term strategic collaborations. Full documentation (COA, DMF, MSDS) is supplied to customers worldwide.
For clients who prefer to avoid the complexity of dealing with multiple vendor touchpoints, we provide customized procurement services leveraging the most superior and comprehensive global chemical supply chain networks.
The global metabolic therapeutics market demands highly resilient supply chains capable of delivering stable, ultra-pure peptide active ingredients. High-quality Semaglutide 5mg solutions cater to diverse pharmaceutical and institutional procurement channels:
Establishing turnkey solutions for generic drug developers, including formulation dossiers, stability testing reports (ICH Q1A(R2)), and full regulatory licensing packages across emerging biopharmaceutical markets.
Offering tailor-made peptide modification services (fatty acid chain conjugation, isotopic labeling, D-amino acid substitution) alongside large-scale API manufacturing for GLP-1, GIP, and Glucagon triple receptor agonists.
Executing ultra-cold storage protocols (-20°C to -80°C) with real-time temperature tracking during transit to ensure zero degradation of secondary and tertiary peptide structures during international transport.
Our global operations strictly align with international quality standards, backed by robust cross-border infrastructure.
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