HK Neopharm Limited is one of the most reliable manufacturers and suppliers of retatrutide api in China, featured by quality products and good price. Please rest assured to buy retatrutide api in stock here and get quotation from our factory. Customized orders are welcome.
Retatrutide API (CAS 2381089-83-2), a first-in-class peptide GLP-1/GIP/GCG triple receptor agonist developed by Eli Lilly, is a breakthrough API for the treatment of type 2 diabetes and obesity. Its core advantage lies in the synergistic effect of three targets, delivering far more potent weight loss and hypoglycemic efficacy than single or dual-target drugs, offering a better therapeutic strategy for metabolic diseases.
Technical Specifications
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Product Name |
Retatrutide API |
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Synonyms |
Retatrutide Powder, Retatrutide Raw Material |
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Characteristics |
A white or off-white lyophilized powder. |
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CAS Number |
2381089-83-2 |
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Assay |
≥99.0% (HPLC, Subject to the COA) |
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Formula |
C221H342N46O68 |
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Package |
Technical Package |
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Storage |
Short-term / Transportation: Refrigerate at 2–8 °C, sealed, protected from light and kept dry. Long-term: Freeze at ≤ −20 °C, sealed, protected from light and kept dry. Stability: Stable for 24 months at −20 °C. |
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Structure |
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Retatrutide API (CAS 2381089-83-2) produced by compliant pharmaceutical enterprises in strict accordance with global GMP standards undergoes rigorous quality control throughout the entire supply chain, featuring high purity, strong stability and excellent batch-to-batch consistency. As a GLP-1/GIP/GCG triple receptor agonist raw material, it is fully suitable for drug R&D, formulation development and clinical research at all stages, providing solid support for innovative drug projects for metabolic diseases.
Product Features

Retatrutide Powder is a world-first GLP‑1/GIP/GCGR triple receptor agonist. Its three-target synergistic mechanism delivers breakthrough therapeutic effects for metabolic diseases such as type 2 diabetes and obesity. As reputable China Retatrutide Powder suppliers, we provide premium Retatrutide Powder made in China with reliable performance.

Retatrutide Raw Material is manufactured in strict compliance with global GMP standards, accompanied by rigorous quality control throughout the production process and excellent batch-to-batch consistency, fully meeting international pharmaceutical raw material specifications. Clients are welcome to buy Retatrutide Raw Material directly for R&D and production projects.
High Purity Retatrutide API is produced via advanced peptide synthesis technology, with HPLC purity ≥99.0%. It appears as white or off-white lyophilized powder, featuring strong stability and controllable storage conditions. We offer Customized Retatrutide API to meet diverse project requirements.
It is perfectly suitable for the entire industry chain from drug discovery, formulation development to preclinical and clinical studies, providing reliable raw material support for innovative drug programs. Retatrutide Raw Material in stock is available to support Bulk Retatrutide API orders, and Retatrutide Powder Free Sample can be provided for evaluation.
Our products come in technical-grade standard packaging and support sealed storage at -20°C, satisfying the large-scale R&D and pilot production needs of research institutions and pharmaceutical enterprises.
Full-Cycle Quality Control & Consistent Quality
Retatrutide API (CAS 2381089-83-2) adopts a full-cycle quality control system covering raw material procurement, peptide synthesis, purification and lyophilization, as well as finished product release. In strict compliance with global GMP guidelines, key quality control nodes are set at each step to ensure product compliance and safety from the source. As a professional China Retatrutide API factory, we implement strict quality management throughout production.
Stringent in-process quality control is enforced across the entire manufacturing flow. From synthesis reaction parameters to purification process precision, every step is recorded and monitored in real time. Multiple rounds of HPLC purity testing and impurity analysis are conducted to ensure each batch meets established quality standards and eliminate quality fluctuations. Clients may directly buy Retatrutide Powder with stable and consistent performance guaranteed.
Relying on mature large-scale production technology and standardized operating procedures, we achieve high batch-to-batch consistency for High Purity Retatrutide API. Product purity, activity and stability consistently meet specifications, providing long-term and reliable raw material support for drug R&D, formulation development and clinical trials. Retatrutide Powder in stock is available to support Bulk Retatrutide Raw Material procurement.
A regular quality review and continuous improvement mechanism is established. Process optimization and methodological validation are carried out periodically, keeping pace with updates to international pharmacopoeias and regulatory requirements. We continuously upgrade product quality standards to provide customers with pharmaceutical-grade peptide raw materials that meet the world's highest requirements. We also offer Customized Retatrutide API services and Retatrutide Raw Material Free Sample for preliminary evaluation.
Application Scenarios
Retatrutide Raw Material is suitable for the whole formulation development process of peptide drugs, and can be used in prescription screening for different administration routes, process parameter optimization and packaging material compatibility studies, establishing a stable and reproducible process system for pilot scale‑up and industrial production. Customers are welcome to buy Retatrutide Raw Material for R&D and production projects.
It provides compliant raw materials for preclinical pharmacology, pharmacokinetics and long‑term toxicity studies, ensuring the accuracy and repeatability of experimental data, and offering complete and reliable nonclinical research support for clinical trial applications.
High Purity Retatrutide API is intended for obese or overweight adults who have failed weight management through lifestyle intervention, especially those with metabolic complications such as type 2 diabetes and hypertension, helping improve weight management and metabolic health.

It supports sample preparation and supply for Phase Ⅰ–Ⅲ clinical trials, while adapting to large‑scale demands in commercial production, providing high‑quality, traceable raw material support for stable global registration and post‑marketing supply chains of pharmaceutical enterprises.
High Purity Retatrutide API can be used in quality benchmarking, prescription consistency evaluation and bioequivalence studies in generic drug development, providing reference materials meeting pharmacopoeial standards for generic drug registration and accelerating the approval and launch of generic drug projects.
Packaging and Transportation
Retatrutide API, a highly active peptide raw material, has extremely stringent requirements for storage and transportation environments. Temperature, humidity, light and cleanliness must be strictly controlled; otherwise, product purity and stability can be easily compromised. To address this, we have made the following arrangements:
Packaging Protection Design:
Retatrutide Raw Material adopts multi-layer sealed protective packaging, which effectively blocks light, moisture and external impact, physically isolating adverse environmental factors and maximally maintaining the appearance and quality stability of the raw material.
Standardized Labeling Management:
All specifications are clearly labeled with product information, batch number and storage conditions, enabling full traceability from production to delivery and facilitating customer inspection, warehouse management and quality verification. Clients may buy Retatrutide API with confidence in full traceability.
Cold-Chain Transportation Control:
The whole process adopts low-temperature cold-chain transportation with strictly controlled temperature to avoid environmental fluctuations affecting raw material activity, ensuring consistent batch quality during transit.
Full-Process Logistics Control:
Relying on a professional and compliant logistics system combined with a real-time monitoring system, we strictly follow pharmaceutical raw material transportation standards to ensure safe and efficient product delivery, meeting global R&D and production demands.
Our Advantages
Mass Production Advantage
We possess a mature and stable peptide synthesis and purification platform, enabling the large-scale and stable supply of Retatrutide Powder. It effectively ensures batch-to-batch consistency and meets the continuous raw material demand of pharmaceutical enterprises from R&D to commercialization.
Quality Control Advantage
A full-process quality traceability system has been established, with production carried out in strict accordance with GMP standards. Multiple precise tests are adopted to strictly control impurities and purity, providing customers with high-quality raw materials that meet international standards. Clients are welcome to buy Retatrutide Powder with assured and consistent quality.
Technical Advantage
We are equipped with a professional R&D team that continuously optimizes synthesis processes and purification schemes to improve product yield and quality, boasting leading technical strength in the field of triple-receptor agonist raw materials.
Supply Chain Service Advantage
An efficient and complete supply chain system has been built, providing flexible customized packaging and cold-chain transportation services. We respond quickly to customer needs and ensure the safety and timeliness of raw material delivery throughout the process.
FAQ
We always take strict quality as our foundation, focusing on supplying High Purity Retatrutide API with high purity and stable production process, which is fully compliant and traceable throughout the production chain. Whether for innovative drug R&D, formulation testing or bulk supply, we can provide solid raw material support for your projects. We look forward to cooperating with partners from all walks of life, empowering innovation in metabolic disease drugs with high-quality raw materials, and jointly creating a new pattern of long-term and stable cooperation.
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