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Home > Active Pharmaceutical Ingredients > Drugs Influencing Immune Function > Melatonin for Sale > VIP Factory Direct Sales From China Vacuum Freeze Dried Craft Best Peptides Research Grade Lyophilized Polypeptide Powder
VIP   Factory Direct Sales From China Vacuum Freeze Dried Craft Best Peptides Research Grade Lyophilized Polypeptide Powder buy - large image1
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VIP Factory Direct Sales From China Vacuum Freeze Dried Craft Best Peptides Research Grade Lyophilized Polypeptide Powder

TDS 29 Inquiries

Unit Price:

$75/UNIT FOB

Get Latest Price
CAS No.:

73-31-4

Grade:

Laboratory Grade

Content:

98%

Port:

HONGKONG

Brand:

yx

Packaging:

5mg*10vials 10mg*10vials 10vials/1box

Price valid (until):

2028-08-16

Company Type:
Trader
Location:
China
Qualification:
Main Products:

polypeptide

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail

      (WA:+852

     47417129/Email:xu@yxtrading.cn)




    Products Description



    We offer various types of peptides, about peptides, we can offer good quality, good price.

    Customers who have ordered our products (peptides) have received very good feedback.

    Reliable buyers around the world can contact us about peptides

    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 1 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 2 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 3 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 4

    Company Profile

    Liaocheng Yixin Trading Co., Ltd. is a manufacturer specializing in the research, development, production, sales and service of tanning products, such as tanning sprays, tanning drops, cosmetic peptides, and polypeptides. We always regard the value of our customers as our top priority. We focus on high quality, competitive prices, flexible order quantities, and timely delivery. Our products are mainly exported to customers in European countries, the United States, and Australia. Our products are widely recognized and trusted by users. We also welcome OEM and ODM orders. Being in cooperation with all brands is a great honor and privilege, regardless of whether the brand is a start-up enterprise. We look forward to your every visit. We welcome both new and old customers to contact us to establish future business relationships and achieve mutual success together! Our multilingual team is proficient in international trade regulations and provides end-to-end services ranging from market research, product procurement, quality control, customs clearance to logistics management, ensuring safe and efficient transactions. Customer-centricity and compliance are our cornerstones. We prioritize product quality, timely delivery, and risk mitigation. Through professionalism and accountability, we build trust and become the most reliable global trading partners. We elevate "Made in China" to the world stage and redefine cross-border commerce with simplicity and intelligence.

    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 5

    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 6 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 7 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 8

    Why Choose Our Company?
    1. High Purity Our peptide products undergo advanced purification processes, achieving extremely high purity with minimal impurity content. This ensures the stability and effectiveness of the products, making them a reliable choice for various applications, such as scientific research, beauty skincare, and healthcare. Whether for academic research or commercial use, our products offer a quality guarantee.
    2. Strong Activity Through our unique production process, we maximize the retention of biological activity in peptides, allowing them to be quickly absorbed and utilized by the human body to exert their full effects. For example, in beauty skincare, active peptides promote collagen production and improve skin elasticity. In healthcare, peptides enhance immunity and regulate body functions.
    3. Customization Service We have a professional R&D team that can customize and synthesize various peptides with specific sequences and functions based on your needs. Whether it's for drug research and development, biological detection, or other specialized fields, we can meet your personalized requirements.
    4. Price We combine industry and trade, and with 12 years of experience, we are able to provide competitive prices and high-quality products.
    5. Packaging & Transportation We can package according to customer requirements and customize products. For transportation, we handle door-to-door delivery, eliminating the need for you to manage any customs clearance.

    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 9

    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 10 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 11


    Our Advantages
    1)All purity>99%.
    2)High quality with competitive price.
    3)We are manufacturer and can provide high quality products with factory price.
    Fast and safe delivery.
    1)Parcel can be sent out in 24 hours after payment tracking number available.
    2)Secure and discreet shipment verious transportation methods for your choice.
    3)Customs pass rate >99%.
    We have clients throughout the world.
    1)Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet their different desire.
    2)Market feedback and goods feedback will be appreciated, meeting customers' requirement is our principal responsibility.
    3)High quality, competitive price, fast delivery, first-class service gain the trust and praise from all the custome

    How to proceed your order:
    Step 1:Please let me know the items you are favorable, quantities, and the destination country.
    Step 2:You confirm all detail, and offer purchasing order.
    Step 3:We send the detail price of our product and offer the suitable shipping method for reference.
    Step 4:You confirm the order and payment 100% in advance and send us the detailed contacting information, including contacting person/company,address,mobile number,ZIP code and your special requirements.
    Step5:We arrange the shipment according to your requirements, and tracking code will be offered once it is released, then you can track your parcel at any moment.
    Step 6:We offer after-sales services after service after you receive your parcel.

    Items Specifications
    Product name peptide
    Specification 5mg 15mg 10mg 20mg 30mg
    Color white ,colorful
    Test Report COA
    Package 10 vials/kit 

    Shipping and delivery:
    Stock: hotsale items with enough stock for shipment , also accept custom order with vials caps and bigger dose.
    Shipping time: 3-10 days with DHL and UPS shipping line.
    Peptide Form: Lyophilized Powder
    Peptide Package: 10 Vials per kit


    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 12 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 13


    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 14



    FAQ

    1.Can you send samples?

    Of course,we can provide free samples, the shipping costs should be paid by our customers.

    2.Can you offer OEM products?

    Yes, OEM service is provided, we can make products according to your requirements. MOQ may be required.

    3.How about the delivery time?

    For stock available products, immediate delivery upon payment confirmation.For non-stock products, lead-time is 14-21 days upon payment or deposit confirmation. Specific delivery time depends on the items and the quantity of your order.

    4. Are you a factory?

    Yes, we are not only the factory but also we have our own design team to make the perfect and professional design with your own particular logo, concepts and special requirements.

    5.How is your MOQ?

    Generally MOQ for product is 1 full case. For custom products or custom packaging, typically the MOQ is 50 full cases.

    6.When can I get the quotation?

    We usually quote you within 24 hours after we get your inquiry. If your need for a quotation is very urgent, please call us or tell us in your mail so that we can prioritize your quotation.

    7.What are your payment terms?

    TT, USDT/Bitcoin, Paypal , Alipay.

    8.How should peptides be properly stored?

    When storing peptides, remember to:• Store the peptide in a cold, dry, dark place
    • Avoid repeated freezing and thawing of peptide
    • Avoid overexposure to the air
    • Avoid light exposure
    • Avoid storing peptides in solution long-term
    • Aliquot peptide according to experimental requirement

    Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 15 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 16 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 17 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 18 Shop Retatrutide   Source Factory Wholesale Research-Grade Whitening Lyophilized Polypeptide At Best Price, Full Types Custom Peptides, Fast Logistics Ensu-Detailed Image 19




    ECHEMI Editorial Reference
    Melatonin is a hormone made by the pineal gland that can activates melatonin receptor. Melatonin plays a role in sleep and possesses important antioxidative and anti-inflammatory properties.
    Research & Reference Note

    VIP Factory Direct Sales From China Vacuum Freeze Dried Craft Best Peptides Research Grade Lyophilized Polypeptide Powder 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

    Certificates
    • VIP   Factory Direct Sales From China Vacuum Freeze Dried Craft Best Peptides Research Grade Lyophilized Polypeptide Powder Certificates 1 TDS

    Basic Info
    Product Name:

    Melatonin

    Other Name:

    Acetamide,N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-;Acetamide,N-[2-(5-methoxyindol-3-yl)ethyl]-;N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]acetamide;N-Acetyl-5-methoxytryptamine;Melatonin;Melatonine;5-Methoxy-N-acetyltryptamine;N-[2-(5-Methoxyindol-3-yl)ethyl]acetamide;Regulin;Melovine;Circadin;Melatol;NSC 113928;NSC 56423;3-(2-Acetamidoethyl)-5-methoxyindole;Melaxen;Slenyto;942407-96-7;1581233-31-9

    CAS No.:

    73-31-4

    Molecular Formula:

    C13H16N2O2

    InChIKeys:

    InChIKey=DRLFMBDRBRZALE-UHFFFAOYSA-N

    Molecular Weight:

    232.27800

    Exact Mass:

    232.28

    EC Number:

    200-797-7

    HScode:

    2932999099

    Characteristics
    PSA:

    54.12000

    XLogP3:

    0.8

    Appearance:

    Solid

    Density:

    1.269 g/cm3

    Melting Point:

    117 °C

    Boiling Point:

    512.8ºC at 760 mmHg

    Flash Point:

    264ºC

    Refractive Index:

    1.6

    Water Solubility:

    >34.8 [ug/mL]

    Storage Conditions:

    -15ºC

    Vapor Pressure:

    1.4X10-7 mm Hg at 25 deg C (est)

    Toxicity:

    LD50 orally in Rabbit: > 3200 mg/kg

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    polypeptide

    Location:

    No. 4, 4th Floor, Building D1, Bili La Park, Lu Shang Road, Dongcheng Street, Economic and Technological Development Zone, Liaocheng City, Shandong Province

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    7

    Total Annual Revenue:

    $10 million-$25 million

    Total Employees:

    101-200

    Year of Establishment:

    2025

    Certifications:

    Tirzepatide,Tirzepatide


    15 Years of Industry Experience

    We have been a high-tech company focused on the development, production, and marketing of various peptide products for 15 years. Through advanced laboratories and strict quality control, our internationally certified products are safe and effective.

    Clients in Europe, the USA, Southeast Asia, the Middle East
    As a global trading company, we serve clients in Europe, the USA, Southeast Asia, the Middle East, and beyond and provide customized solutions. Committed to "technology leading Health", we aim to innovate and deliver high-quality health products worldwide.

    3,000-square-meter Factory with 60 Employees
    We have a factory covering 3,000 square meters and housing 60 employees to guarantee the highest quality all the time. We hired three quality auditors with three years of experience. They meticulously inspect each item at every production stage.

    Contact Us Now
    Our products are exported to more than 130 countries and regions, which can be delivered fast within 5-14 days. We can provide OEM/ODM support to our customers. We have 10 professional after-sales staff to make 24-hour responses to our customers. Contact us now to learn more.

  • Inquiry History
    29 Inquiries
    Country Product Purchase Quantity Date Posted
    United States

    High Purity 99% White Powder Melatoninfor Sleeping Promotion Cas 73-31-4 Melatonine

    5 MT Jun 11, 2024
    United States

    China sleep Melatonine powder API Raw Material 99% Melatonin CAS 73-31-4

    5 MT Jun 11, 2024
    Pakistan

    melatonin

    25 KG Mar 4, 2026
    Jordan

    Melatonin

    1 MT Aug 21, 2026
    United Kingdom

    melatonin powder

    100 G Jul 6, 2026
    Netherlands

    Melatonin

    50 G Jun 1, 2026
    Lebanon

    Melatonin

    1 KG May 9, 2026
    Germany

    Melatonin

    30 G Mar 17, 2026
    Uzbekistan

    Melatonine

    100 KG Jan 26, 2026
    India

    Melatonine

    50.00 KG Jul 16, 2025
    United Kingdom

    Melatonin

    1000 MT Apr 22, 2025
    India

    Melatonin

    5 KG Nov 18, 2024
    Vietnam

    melatonin

    5 G Jul 16, 2026
    Netherlands

    Melatonin

    500 G Jun 4, 2026
    India

    Melatonin

    50.00 KG May 11, 2026
    Egypt

    Melatonin

    10 KG Jan 20, 2026
    India

    Melatonin

    50 KG Dec 5, 2025
    Thailand

    melatonin

    25 KG Sep 22, 2025
    India

    MELATONIN

    25 KG Sep 9, 2025
    South Korea

    melatonin

    1 KG Jul 14, 2025
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