Retatrutide API:
99% Purity Certified

Certified 99% purity and the most affordable retatrutide API on the market with full COA documentation. Available with the triple technology for the next-gen peptide usages.

What Is Retatrutide API?

Retatrutide API is a next-generation peptide that targets the GLP-1, GIP and glucagon metabolic receptors simultaneously. It is mainly used for the treatment of metabolic disorders such as obesity and type 2 diabetes. This active pharmaceutical ingredient is manufactured to the most stringent purity standards at Sichuan Pengting Technology Co., Ltd. And it’s one of the most cutting-edge substances on the market for biologic api development right now. We can provide verified documentation for research scale and commercial scale Retatrutide API orders. The promising results of the compound in clinical trials have attracted global attention.

Understanding Retatrutide Powder

Materials

Synthetic Peptide Backbone

The sequence of amino acids is important for the making of retitrutide. For complex APIs, solid-phase peptide synthesis (SPPS) is the method of choice for backbone synthesis due to its excellent sequence accuracy and batch uniformity.

Lipid Conjugate & Linker

A linker is used to link the fatty acid chains to extend the half-life in the body. This lipidation process is essential for drug-like behavior. It is a part of our advanced peptide synthesis technique and keeps the costs down.

Industries & Applications

Pharmaceutical R&D

Retatrutide api is used in research labs for the research of obesity, metabolic syndrome, and non-alcoholic fatty liver disease (NAFLD). The chemical allows researchers to test various methods of formulation and distribution before moving to larger studies.

Drug Manufacturing

If a pharma company wants to bulk up on API for GLP-1 class drugs, we’re the place to go. Our biological API manufacturing line is cGMP compliant, and perfect for clinical batch production and scale-up.

Contract Research & CROs

CROs and biotech startups working on metabolic disease programs utilize our custom peptide manufacturing service. We can ship anywhere from 1g to 1kg in both small and large quantities, with custom packaging options, complete documentation and rapid turnarounds.

Key Benefits of Retatrutide Powder

• Works on 3 receptors at once, therefore can reach more patients than Semaglutide or Tirzepatide can do on their own.
• The standard lyophilized powder form is highly soluble and stable and easy to reconstitute.
• Its proven batch-to-batch consistency is critical to the clinical safety assessment of retatrutide.
• Scalable to kilogram scale bulk orders at competitive peptide prices from laboratory scale vials
• All shipments come with a full certificate of analysis (COA) including HPLC, MS, endotoxin and sterility data.

How Is Retatrutide API Made

SPPS Synthesis

The retatrutide chain is built one amino acid at a time using Solid-Phase Peptide Synthesis (SPPS). Next step is to attach each residue to a resin support, wash and verify it. This approach allows fine control of sequence accuracy, the foundation of retatrutide peptide structure, while keeping impurity levels in the final product low.

Lipidation

After the chain is constructed the fatty acid groups are connected to the peptides by a specific linker. This lipidation process increases the half-life of the molecule and permits once-weekly dosing in a clinical setting. This is a feature of advanced API synthesis that separates long-acting peptides from short-acting peptides and requires precise reaction conditions.

Purification

The crude peptide is then purified by preparative Reverse-Phase HPLC, which separates the desired component from by-products of the synthesis. Many rounds of chromatography are run to maintain the purity at ≥98-99%. The purified product is lyophilized or freeze-dried to obtain a white powder. This final form is stable for long-term use and is ready for release testing by analytical methods, according to API criteria for certification.

Accurate Manufacturing Process

Solid-Phase Synthesis

We use the most up-to-date solid-phase peptide synthesis (SPPS) technology in fully automated systems. Retatrutide and other complicated APIs are carefully put together, one amino acid at a time. Because of this, we can easily make long sequences that have more than one agonist. Reagents and resins are fine-tuned to get the best coupling yields.

Advanced Purification

After making crude peptides, they go through a multi-step purification process, which usually involves preparative HPLC. We get 98% purity or higher by separating the target peptide from its by-products. When making chromatography columns and gradients, the unique properties of each molecule are taken into account. Lyophilization or vacuum drying turns the purified API into a powder.

Rigorous Quality Control

We check for quality at every step. One way to avoid synthesis mistakes is to keep an eye on the retention time. HPLC, mass spectrometry, and other tests are used to make sure that the final batches are the right ones, in the right order, and pure. Only batches that meet strict standards for how they look, how wet they are, and how pure they are are released.

GMP-Compliant Packaging

In places where rules are strict, APIs are packed after they have been approved. Sealed containers don’t react with anything and keep the contents from getting wet or oxidised. You can package sensitive peptides with desiccants or inert gas, depending on what they need. Every package has clear information about the product and the batch.

Recommended Products

Sichuan Pengting Technology Co., Ltd. provides a variety of carefully selected custom peptide manufacturing services. Our peptide catalog includes products with full analytical documentation. Whether you need small quantities for research or bulk quantities for wholesale purchase, our team can assist you in locating the right substance in no time. We guarantee the quality of each product and the safety of shipment through cold chain verification.

Retatrutide CAS No. 2381089-83-2- High Purity Custom Peptide API Raw Powder

Product Name: Retatrutide

CAS No.: 2381089-83-2

Purity: ≥98%

Appearance: White powder

Packing specifications (powder)：1g – 1kg

Price: Get the latest price

Rectatrutide is leaps and bounds ahead of the other potential obesity drugs in the GLP-1 class. Semaglutide is an older drug that fires three metabolic receptors: GLP-1, GIP and Glucagon and there are better weight loss results than the older drugs. This API is produced under strict quality controls and can be used for research, formulation development and early clinical stage projects. retatrutide-api Our price is competitive and open.

Primary Use

Participated in studies on drugs for type 2 diabetes and obesity. Great for buying API for clinical trials. Supports research globally to understand metabolic syndrome and non-alcoholic steatohepatitis (NASH).

Key Benefits

• Triple Agonist Therapy for Improved Glycemic Control and Weight Loss
• Each batch is analyzed by HPLC and MS to confirm that it is at least 98% pure.
• You can select your order size from 1g to 1kg to suit your specific requirements.

• The COA, delivered in its entirety, meets all essential quality criteria.
• Our competitive bulk pricing will be appreciated by those interested in comparing monthly price sourcing costs for retatrutide.

Teriparatide CAS 52232-67-4- High Purity Custom Peptide API Raw Powder

Product name: Teriparatide

Salt form: Acetate

CAS: 52232-67-4

Purity: 99%

Availability: In stock

Appearance: White or almost white powder

Packing specifications (powder)：1g – 1kg / tube, bottles or bags

Storage: -20 ℃ (Long term) , 4 – 8℃ (Short term)

Molecular Formula: C181H291N55O51S2

Molecular Weight: 4117.72

Price: Get the latest price

Teriparatide is a recombinant form of human parathyroid hormone (PTH 1–34). It does more than prevent bone loss, it grows new bone and is one of the few anabolic drugs used to treat osteoporosis. Acetate Salt form is 99% Purity, ideal for clinical research and pharmaceutical manufacturing. Research is ongoing into the compound’s potential use in regenerating bone and repairing fractures. It is also available in bulk with full batch documentation as part of our buy-bulk Retatrutide API peptides program.

Primary Use

It is used mainly for women and men who are postmenopausal and have very bad osteoporosis. Also useful in studies of bone metabolism and repair. Supports research and development of product formulations for sub-cutaneous delivery.

Key Benefits

• In contrast to anti-resorptive medications it has an anabolic effect which promotes bone growth.
• The acetate salt form is more stable and is 99% pure.
• Ships in 1 Business Day

• Conveniently supplied in a range of forms to suit laboratory requirements
• Guaranteed quality from a well-known and trusted peptide manufacturer with a traceable supply chain

Desmopressin CAS No. 16679-58-6- High Purity Custom Peptide API Raw Powder

Product Name: Desmopressin

CAS No: 16679-58-6

Appearance: White powder

Packing specifications (powder)：1g – 1kg / tubes or bottles

Storage: Short term 2°C-8°C, Long term-20℃

Molecular Formula: C46H64N14O12S2

Molecular weight: 1069.22

Price: Get the latest price

Desmopressin is a synthetic analogue of the natural antidiuretic hormone, vasopressin (ADH). It is an API used by urology, endocrinology and haematology to control water retention and decrease urine production. Achieving pharmaceutical-grade purity is a sophisticated process that begins with our white powder and ends with our advanced peptide synthesis stages. It is used in combination with other substances in the manufacture of nasal sprays, oral pills and injectable therapies. This chemical also helps control two other conditions: central diabetes insipidus and nocturnal enuresis. Our technical support is comprehensive, and we offer competitive pricing on peptide synthesis.

Primary Use

It is mainly used to treat nocturnal enuresis, central diabetes insipidus and some bleeding diseases. For use in the preparation of pharmaceutical formulations for injectable, oral and intranasal administration. It is also used as a comparator for validation of clinical assays.

Key Benefits

• A stable synthetic analog of natural vasopressin
• High purity ensures the formulation will produce a consistent pharmacological response.
• We offer a range of packaging options for industrial and academic environments.

• Whether it is refrigerated or frozen storage depends on the timeframe.
• Our API certification process is thoroughly documented.

Triptorelin CAS No. 57773-63-4- High Purity Custom Peptide API Raw Powder

Product: Triptorelin

CAS No.: 57773-63-4

Appearance: White powder

Packing specifications (powder)：1g – 1kg / tubes or bottles

Storage: Short term 2°C-8°C, Long term-20℃

Molecular Formula: C64H82N18O13

Molecular weight: 1311.45

Price: Get the latest price

Triptorelin is a gonadotropin releasing hormone (GnRH) analog that is prescribed by physicians for hormone-sensitive malignancies and infertility. It’s a useful technique in cancer and endocrinology, working by first increasing and then decreasing production of sex hormones. Our Triptorelin API is synthesized with precision to ensure constant potency and excellent purity. It is used to treat endometriosis, assisted reproduction and prostate cancer. This product is manufactured under the global standards for biologic api development and rigorous analytical controls. We are proud to be a trusted producer. Our packaging is flexible for large clinical quantities or small research quantities.

Primary Use

It is used mainly in protocols for treatment of prostate cancer, endometriosis and uterine fibroids. Used in hormone therapy to affirm a person’s gender and in fertility treatments as well. This source is used extensively in depot formulation development and injectable medication programs.

Key Benefits

• A GnRH analogue which has proved useful in treatment in a variety of contexts
• High purity white powder for reliable reconstitution and formulation.
• If stored in the cold chain as directed, remains true

• Minimal lead times and scalable from 1g to 1kg.
• Molecular identification and HPLC purity: Comprehensive analysis results given.

Dihexa CAS No. 1401708-83-5- High Purity Custom Peptide API Raw Powder

Product: Dihexa

CAS No.: 1401708-83-5

Purity: ≥98%

Appearance: White powder

Packing specifications (powder)：1g – 1kg

Price: Get the latest price

Dihexa is a new peptide based on angiotensin and is known to be excellent in the enhancement of cognitive function. It is found in studies of the renin-angiotensin system in the brain, and has been shown to promote synaptogenesis more efficiently than brain-derived neurotrophic factor (BDNF). Hot topics right now include applications in the study of neurodegenerative diseases, such as Alzheimer’s and cognitive decline. Our Dihexa (>98% pure) meets rigorous quality standards, enabling confident application in preclinical and early-stage research. It is part of our custom peptide manufacturing service, you can choose how much you want. For any nootropic peptide study, our low peptide prices and lightning-fast shipping make us your best bet.

Primary Use

Research of possible neuroprotective and cognitive enhancing effects in age related diseases. Used in preclinical studies of synaptic plasticity and Alzheimer’s disease. Researchers are also interested in programs for recovery from traumatic brain injury (TBI).

Key Benefits

• Impressive cognitive function is higher than BDNF in studies of early synaptogenesis
• Repeated study results with consistent quality – purity level of 98% or more

• It is available in lab and commercial quantities from 1g up to 1kg.
• The stable, user-friendly, easily reconstitutable formulation of white powder

Retatrutide API vs. Semaglutide API vs. Tirzepatide API

Sichuan Pengting Technology Co., Ltd. provides a variety of carefully selected custom peptide manufacturing services. Our peptide catalog includes products with full analytical documentation. Whether you need small quantities for research or bulk quantities for wholesale purchase, our team can assist you in locating the right substance in no time. We guarantee the quality of each product and the safety of shipment through cold chain verification.

Retatrutide API

Retatrutide targets three major metabolic targets:glucagon, GLP-1, and GIP. Clinical data demonstrate superior weight reduction outcomes compared to Semaglutide and Tirzepatide. It is well suited for studies aiming for maximal efficacy in the field of obesity, NASH, and metabolic syndrome. This is the molecule to start with when investigating the components and mechanism of retatrutides for next-gen therapeutic initiatives.

Semaglutide API

Ozempic and Wegovy both target the same GLP-1 receptor agonist, semaglutide. It has a good reputation on its large clinical data set and strong regulatory approval. It is suitable for studies on modest weight loss and for the treatment of type 2 diabetes. Its synthesis cost is lower. Its complexity is less and it covers less receptors than Retatrutide.

Tirzepatide API

Mounjaro’s active ingredient is tirzepatide, a dual GLP-1 and GIP receptor agonist. In weight loss trials it performs better than Semaglutide but not as well as Retatrutide due to the tri-action profile. It will be a suitable tool for clients exploring the GIP axis in particular and programs comparing dual and triple agonism. Fast moving field of development of biologic api.

Retatrutide API Storage & Handling

Retatrutide API is a lyophilized peptide and is very sensitive to heat, light and moisture, therefore, proper storage is important to ensure its efficacy and purity. Long term storage should be in a dry, airtight container at below 20°C, and not exposed to freeze-thaw cycles. Working samples may be stored at 2-8 °C for up to 30 days without significant degradation. Use the solution immediately after reconstitution or store at 4°C for no more than 7 days. All of our shipments are cold-chain verified with approved thermal packaging and temperature monitoring data loggers.

Long-Term Storage

Store at -20°C in an airtight, dehydrated container to prevent hydrolysis of peptide bonds.

Short-Term Storage

Store at 2-8°C (refrigerated) for up to 30 days. Recommended for active laboratory use.

Avoid

Freeze – thaw cycles – this reduces the concentration of active peptides if repeated.

Reconstitution

If sterile water or acetic acid solution is used for reconstitution, batch-specific COA requirements must be followed.

Light Protection

Store in amber vials or foil-wrapped containers to prevent photo-degradation.

Shipping

All items are shipped in cold chain packaging meeting international requirements, either dry ice or gel packs.

Transparent Pricing, Certified Quality, Full Compliance

Transparent Pricing

• We are happy to provide our full peptide price list on request. Pricing is dependent on purity grade, quantity ordered and custom requirements.
• Our small-scale peptide synthesis prices are significantly higher than our bulk prices, which are available for orders of 100g or more.
• Pricing is articulate, everything from cold chain shipment to paperwork is very clear.
• Get a price quote for retatrutide API. We accept all major currencies for payment. Contact us.
• Get a sample and see what the quality is like before you dive in.

Quality Certificates

HPLC Certificate

Each batch is tested using High Performance Liquid chromatography (HPLC). This confirms 98-99% purity, identifies any impurities present and gives a chromatogram trace for full analytical traceability which is a must for API certification.

Mass Spectrometry (MS) Report

Each peptide batch is confirmed by MS analysis for the same molecular weight and identity. This eliminates replacement errors and confirms the correct sequence for complex API manufacturing where identification confirmation is required.

Endotoxin Test (LAL)

The Limulus Amebocyte Lysate (LAL) test is used to determine the amount of bacterial endotoxin in each batch. For injectable-grade peptides, low endotoxin is required. They’re especially useful when clients ask if retatrutide is safe to use for research purposes and come with our standard COA package.

Certificate of Analysis (COA)

Each shipment is accompanied by a full COA outlining the product’s history of storage, water content, appearance, residual solvents and purity. After our QC team has signed off the COA, you can add it to the biologic API development dossier and share it with your regulatory affairs team.

Meeting all the requirements

Sichuan Pengting Technology Co., Ltd. quality management systems are strict and meet the world pharmaceutical standards. Our production procedures are compliant with ICH Q7 for the manufacture of active pharmaceutical ingredient and the paperwork we have in place supports our regulatory submissions for the American, European and Asian markets. We supply our clients with a full vendor qualification package for review, including facility audits, standard operating procedures and batch records. Our export operations comply with all relevant trade and customs rules to facilitate smooth delivery of bulk peptide orders worldwide. With our commitment to transparency, we’ll keep your supply chain compliant and audit-ready at every step of biologic api manufacturing, from raw material sourcing to final release testing.

Customer Reviews

Dr. Michael Chen

We ordered 50g of Retatrutide API and the COA was perfect- HPLC showed 99.1% purity. The cold-chain packaging was intact on arrival. Best supplier we’ve worked with for peptide API.

Sarah Hoffmann

Pengting’s retatrutide api price was 20% lower than our previous vendor and the quality was actually better. The MS report confirmed the correct molecular weight. We’ve switched them to our preferred supplier.

Dr. Liu Fang

The custom peptide manufacturing service was exactly what we needed for our Phase 1 batch. The team walked us through every step, including the api certification documents needed for our IND filing. Outstanding support.

Dr. Anna Kowalczyk

We compared peptide synthesis cost across five vendors and Pengting offered the best value with no compromise on purity. Their Dihexa batch was 98.6% pure- perfect for our neuroprotection study.

Dr. Mark Reynolds

I was unsure how to get retatrutide at research scale- Pengting made it simple. Clear peptide price list, quick response, and accurate shipment to Australia within 10 days. Will reorder for our next study.

Dr. Carlos Mendez

Most reputable peptide company I’ve dealt with in 12 years of research procurement. Their documentation is impeccable- every batch traceable, every certificate signed. I recommend them to every colleague who asks.

Most Reliable Institute for Retatrutide API

Your quality assurance is a COA, or Certificate of Analysis. Results for HPLC purity, MS identity and endotoxin level are shown. All certificates of analysis (COAs) issued by Sichuan Pengting Technology Co., Ltd. are authentic, signed and traceable to batch. We are one of the most respected peptide company suppliers in Asia, relied upon by research institutes and pharmaceutical companies from 40+ countries. Our staff can assist with the interpretation of data, establishing a dosing regimen for Retatrutide API, or confirming its applicability. We don’t just sell API, we build long-term relationships with suppliers. Whether you want to learn how to get retatrutide or need help with regulatory papers, our team will respond within 24 hours. Get in touch with us today for a free sample or a custom quote.

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