Descriptiopn
Name:Alice
Whatsapp:+852 5513 4538
Email:alice@tongpeptides.com
Name:Alice
Whatsapp:+852 5513 4538
Email:alice@tongpeptides.com
DS5 is a high-grade synthetic peptide reagent developed for sophisticated life science research and pre-clinical biochemical mechanism exploration. Adopting mature solid-phase synthesis technology and multi-stage precision purification procedures, this peptide boasts a stable molecular structure, excellent biological activity and superior water solubility. With its unique biochemical regulatory properties, DS5 has become a prevalent experimental material in global laboratories for studying endogenous signal transduction, cellular physiological regulation and organism microenvironment balance.

Distinct from conventional peptide reagents, DS5 targets specific biological pathways associated with physiological homeostasis and cellular functional regulation. It can effectively simulate natural active biomolecules in organisms, stably participate in intracellular biochemical reactions, and assist researchers in exploring the operating mechanisms of physiological regulatory systems. Numerous in vitro experimental verifications have proven that DS5 delivers mild, efficient and consistent regulatory performance with outstanding biocompatibility. It provides reliable support for various academic researches, including biochemical pathway validation, cellular activity maintenance and active substance mechanism analysis, offering a novel and stable research tool for modern biochemistry and pre-clinical research fields.

Our DS5 products are manufactured in standardized dust-free workshops under strict quality control management systems. The product is provided in lyophilized white powder form, with a high purity of over 99.5%, fully verified by professional HPLC and MS authoritative detection. Each batch is equipped with complete COA qualification certificates, detailed impurity analysis reports and standardized production inspection records. Rigorous production and testing standards effectively minimize batch-to-batch differences, ensuring stable product performance and highly repeatable experimental data for all kinds of laboratory research projects.

To fully preserve its inherent biological activity, DS5 requires sealed low-temperature storage and professional cold-chain transportation throughout the whole process. Complying with unified industry specifications, this product is exclusively for scientific laboratory research and academic exploration. It is prohibited for human and animal in vivo use, clinical diagnosis and treatment, as well as food, pharmaceutical and cosmetic processing and production. We support flexible specification customization, long-term stable bulk supply and global logistics services, and provide professional technical guidance and full-cycle after-sales support to meet the diverse research demands of global enterprises and scientific research institutions.
Shipping Method 
Introduction to Our Factory
We are a professional and reliable peptide manufacturing factory in China, focusing on the R&D, production and supply of high-purity research-grade peptides and biochemical raw materials. Adhering to strict production standards and complete quality control systems, we are committed to providing cost-effective, high-quality peptide products and stable global supply services for international customers.
Quality is our core advantage. All our peptide products adopt advanced synthesis and purification technology, with universal HPLC purity over 99%. Every batch of goods undergoes strict laboratory testing, including high-performance liquid chromatography and mass spectrometry analysis. Complete test reports are provided to ensure stable ingredient content, low impurity rate and consistent product quality. All products are lyophilized and sealed in sterile independent vials to guarantee long-term stability during international transportation and storage.
Compared with other suppliers in the industry, we offer obvious price advantages. With independent production bases, standardized assembly lines and integrated supply chain management, we effectively reduce intermediate costs. We provide factory-direct wholesale prices while maintaining top-tier purity and quality, helping customers maximize profit margins with high cost performance.
Sufficient in-stock inventory covers mainstream peptide products, enabling rapid shipment within 1–3 working days after order confirmation. We have long-term cooperative professional freight teams, supporting stable and safe shipping to Europe, America, Southeast Asia, South America and other regions worldwide. With rich international export experience, our professional document sorting and standardized packaging greatly improve customs clearance pass rate, effectively avoiding customs detention risks and ensuring safe and smooth delivery of each order.
We always insist on standardized export procedures, stable quality control, competitive factory prices and efficient after-sales service, aiming to become your most trustworthy long-term peptide supply partner. All products are for laboratory research use only, not for human clinical use. 
Q1: Why should you buy from us instead of other suppliers?
A1: Because we are a factory, we can provide lower prices and guaranteed quality. We have extensive experience in domestic and foreign trade and provide services in an honest, timely and efficient manner.
Q2: When can I receive the package?
A2: It will be shipped as soon as possible after payment, and the shipping time is generally 7 to 12 days.
Q3: What is the minimum amount I can order?
A3: The minimum quantity we can order is 1 box, which contains 10vials.
| Items | Specifications |
| DS5 | 5mg*10vials |
| DS10 | 10mg*10vials |
| DS15 | 15mg*10vials |
Classification of the substance or mixture
Reproductive toxicity, Category 2
GHS label elements, including precautionary statements
| Pictogram(s) |  |
| Signal word | Warning |
| Hazard statement(s) | H361 Suspected of damaging fertility or the unborn child |
| Precautionary statement(s) |
| Prevention | P203 Obtain, read and follow all safety instructions before use. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
| Response | P318 IF exposed or concerned, get medical advice. |
| Storage | P405 Store locked up. |
| Disposal | P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal. |
Other hazards which do not result in classification
ECHEMI Editorial Reference
LL-37, Human acetate is a 37-residue, amphipathic, cathelicidin-derived antimicrobial peptide, which exhibits a broad spectrum of antimicrobial activity.
Research & Reference Note
DS5 DS10 | TongPeptides | 99.9% Purity |COA is listed on ECHEMI for industrial / laboratory sourcing. This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.
Disclaimer: This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.
Reviewed by ECHEMI Scientific Review - Platform editorial review for research chemicals
Indonesia
