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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > TSH-releasing hormone for Sale > Livagen LI20 White powder in Stock Pharmacy Grade Peptide high purity best quality 1
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Livagen LI20 White powder in Stock Pharmacy Grade Peptide high purity best quality 1

TDS 7 Inquiries

Unit Price:

$50/UNIT FOB

Get Latest Price
CAS No.:

24305-27-9

Grade:

Research Grade

Content:

99%

Port:

深圳

Brand:

Generic

Packaging:

20mg/Vial

Price valid (until):

2026-10-03

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

Peptides

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Name:Elare

    Whatsapp:+852 5535 7215

    Please add me for our latest price list and COA


      Product Detail  



          • LI20 20 mg — Product Details

            Product Overview

            LI20 20 mg is a laboratory and research-use product supplied in a 20 mg package specification. The product is intended for qualified professional users and organizations conducting legitimate laboratory, analytical, research, development, or other professional activities, subject to applicable laws, regulations, institutional requirements, and marketplace policies.

            The designation “LI20” and the 20 mg package size do not by themselves establish the complete chemical identity, composition, hazard classification, or regulatory status of the product. The exact product identity should therefore be confirmed through the applicable technical documentation before purchase, handling, storage, transportation, or use.

            This product description is provided for general commercial and product-reference purposes. It does not replace the applicable Safety Data Sheet (SDS), Certificate of Analysis (COA), product specification, official labeling, regulatory documentation, or professional safety assessment.

            Product Information

            Product Name: LI20
            Package Size: 20 mg
            Product Type: Laboratory and research-use product
            Grade: According to the applicable product specification
            Purity: According to the applicable specification or batch-specific COA
            CAS Number: To be confirmed according to the exact product identity
            Molecular Formula: To be confirmed according to the exact product identity
            Molecular Weight: To be confirmed according to the exact product identity
            Appearance: According to the applicable product specification
            Batch/Lot Information: According to the applicable product documentation

            Customers should verify all technical parameters against the official documentation associated with the actual product and relevant batch.

            Intended Professional Use

            LI20 20 mg is offered for legitimate professional, laboratory, analytical, research, or development-related activities where permitted by applicable laws and regulations.

            The product should only be handled by appropriately trained personnel in facilities equipped with suitable controls and procedures for the actual properties of the material.

            This listing does not recommend LI20 for medical, therapeutic, diagnostic, nutritional, household, recreational, or other applications unless such application is expressly authorized and supported by appropriate regulatory approvals and official product documentation.

            Customers are responsible for determining whether the proposed application is technically appropriate and legally permitted in the applicable jurisdiction.

            Quality and Specifications

            Product quality is managed according to applicable manufacturing and quality-control procedures.

            Depending on the actual product, applicable specifications may address identity, purity, appearance, packaging, batch information, and other relevant quality characteristics.

            Where available, batch-specific information should be verified through the applicable Certificate of Analysis or other official quality documentation.

            Customers should not rely on general marketing information when making technical, regulatory, or safety decisions. Product-specific documentation should always take precedence.

            Documentation

            Depending on the product, transaction, and applicable regulatory requirements, documentation may include:

            • Certificate of Analysis (COA)

            • Safety Data Sheet (SDS), where applicable

            • Product specification

            • Batch or lot information

            • Packaging information

            • Labeling information

            • Other technical or compliance documentation required for a particular transaction

            Customers requiring documentation should request and review the applicable documents before completing an order where appropriate.

            Documentation should correspond to the actual product supplied and, where relevant, to the applicable batch or lot.

            Where additional qualification or regulatory documentation is required, the transaction may be subject to verification before confirmation.

            Regulatory Compliance

            The regulatory status of a chemical product must be determined according to its exact identity, composition, concentration, physical characteristics, packaging, intended transaction, destination, and applicable jurisdiction.

            If LI20 20 mg falls within a regulated category, including any applicable hazardous-chemical or other controlled category, all relevant legal and regulatory requirements remain fully applicable.

            Depending on the jurisdiction and product classification, such requirements may include supplier or purchaser qualifications, permits, registrations, documentation, labeling, storage, transportation, import and export controls, end-use requirements, and other compliance measures.

            This product description does not attempt to change, conceal, minimize, or circumvent any regulatory classification.

            The product code, abbreviation, package size, commercial name, or general description must not be used as a substitute for the actual chemical identity or as a means of avoiding regulatory review.

            Where applicable law, platform policy, or transaction requirements call for qualification documents or other supporting information, customers and suppliers should complete the appropriate verification process.

            If required qualifications or documents cannot be verified, an order may be declined, suspended, or delayed.

            Safety Information

            Customers should obtain and review the applicable SDS and product-specific safety information before handling LI20 20 mg.

            Actual hazard information and appropriate safety measures must be determined from the official documentation for the exact material supplied.

            Users should follow suitable laboratory and workplace safety procedures, including appropriate engineering controls, personal protective equipment, exposure controls, storage practices, emergency procedures, and waste-disposal procedures as applicable.

            This general product description should not be used as the sole basis for determining the safety classification of the product or conducting a complete risk assessment.

            If the actual product is classified as hazardous under applicable regulations, all relevant hazard communication, precautionary, storage, transportation, emergency-response, and disposal requirements must be followed.

            Storage

            Storage conditions should be determined according to the official product specification and applicable SDS.

            Where appropriate, LI20 20 mg should remain in its original, properly identified packaging and be stored under the conditions specified by the manufacturer.

            Users should maintain appropriate product identification and traceability and prevent unauthorized access.

            Storage facilities and procedures should comply with applicable laboratory, workplace, environmental, and chemical-safety requirements.

            The product should not be stored, transferred, or handled in a manner inconsistent with applicable technical documentation or regulatory requirements.

            Packaging

            LI20 20 mg is supplied according to the applicable packaging specification.

            Packaging and labeling should accurately correspond to the actual product and applicable transaction requirements.

            Upon receipt, customers should verify the product name, package quantity, batch or lot information, labeling, packaging condition, and accompanying documentation where applicable.

            If the package is damaged or if there is any discrepancy involving product identity, quantity, labeling, packaging, or documentation, customers should contact the supplier before use.

            Products with uncertain identity, damaged packaging, or incomplete required documentation should not be used until the issue has been appropriately reviewed.

            Transportation and Delivery

            Transportation requirements must be determined according to the actual classification of the product and the requirements of the destination jurisdiction.

            Where the product is regulated as hazardous material or dangerous goods, all applicable packaging, labeling, documentation, carrier, and transportation requirements must be followed.

            This listing does not confirm any particular transportation classification unless that classification has been established by the applicable official documentation.

            Customers should independently verify import, export, customs, dangerous-goods, and other transportation requirements relevant to their transaction.

            No commercial product description should be interpreted as overriding applicable transportation or regulatory requirements.

            Ordering Requirements

            Before placing an order, customers should confirm:

            1. The complete identity of the requested product.

            2. The required package size and technical specification.

            3. The applicable regulatory status in the destination jurisdiction.

            4. Whether the purchaser is qualified or authorized to receive the product.

            5. Whether permits, licenses, registrations, or supporting documentation are required.

            6. Whether import, export, transportation, storage, possession, or end-use restrictions apply.

            7. Whether the proposed use is permitted under applicable laws and institutional policies.

            For products subject to additional controls, an order may require compliance verification before confirmation.

            Customers should provide accurate and complete information whenever qualification or regulatory verification is requested.

            The supplier may refuse, suspend, or delay a transaction when applicable legal, safety, regulatory, documentation, or marketplace requirements cannot be satisfied.

            Marketplace Compliance

            Product information should accurately represent the actual product offered for sale.

            The supplier should not use misleading descriptions, incomplete identity information, coded terminology, altered product names, or other wording intended to conceal a regulated product or avoid legitimate marketplace review.

            Where the marketplace requires qualification documents for a regulated product, the appropriate documents should be submitted through the designated platform process.

            If a product requires additional qualifications before publication, the product should not be represented as unrestricted or generally available until the applicable requirements have been satisfied.

            Accurate product identification and appropriate supporting documentation help customers and marketplace reviewers make informed compliance decisions.

            Environmental and Disposal Considerations

            Disposal requirements must be determined according to the actual properties and regulatory classification of the product.

            Users should not dispose of the product, contaminated packaging, residues, or laboratory waste through inappropriate household, drainage, or general waste channels where prohibited.

            Applicable institutional, environmental, chemical-waste, and local disposal requirements should be followed.

            Where the SDS or other official documentation provides specific disposal instructions, those instructions should be followed.

            Disclaimer

            The information provided in this listing is general product information and does not constitute legal, regulatory, medical, or safety advice.

            Regulatory requirements may differ between countries, regions, and jurisdictions and may change over time. Customers are responsible for confirming the requirements applicable to their location, organization, transaction, and intended use.

            In the event of any inconsistency between this general description and the official product documentation, the applicable official documentation should take precedence.

            Customers should consult the applicable SDS, COA, technical specification, official labeling, and regulatory documentation before purchasing, handling, storing, transporting, or using the product.

            No information in this listing is intended to conceal, misrepresent, modify, or circumvent the regulatory status of LI20 20 mg.

            Customer Support

            For product identity, technical specifications, documentation, packaging, or compliance-related questions, customers should contact the supplier before placing an order.

            Requests concerning product identity, CAS number, specifications, SDS, COA, batch information, packaging, or regulatory documentation should contain sufficient information to allow accurate confirmation.

            The supplier may provide available technical and commercial documentation according to the product, batch, transaction, destination, and applicable regulatory requirements.

            LI20 20 mg should be purchased, received, handled, stored, transported, and used only by appropriately qualified users and in accordance with applicable laws, regulations, safety procedures, official product documentation, and marketplace requirements.

    Items Specifications
    Product Name LI20 
    Grade Research Grade
    Package 20mg/Vial
    Appearance White Lyophilized Powder
    Model LI20 20mg
    Brand Generic

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    ECHEMI Editorial Reference
    Protirelin is a highly conserved neuropeptide that exerts the hormonal control of thyroid-stimulating hormone (TSH) levels as well as neuromodulatory functions.
    Protirelin is a tripeptide composed of L-pyroglutamyl, L-histidyl and L-prolinamide residues joined in sequence. It has a role as a human metabolite. It is a peptide hormone and a tripeptide.|Protirelin is the pharmaceutically available synthetic analogue of the endogenous peptide thyrotropin-releasing hormone (TRH). It is a tri-peptide tropic hormone, released by the hypothalamus, that stimulates the release of Thyroid Stimulating Hormone (TSH) and prolactin from the anterior pituitary. Although not currently available in any FDA-approved product, protirelin is a component of the TRH Test where it is used to test the response of the anterior pituitary gland in conditions such as secondary hypothyroidism and acromegaly.|A tripeptide that stimulates the release of THYROTROPIN and PROLACTIN. It is synthesized by the neurons in the PARAVENTRICULAR NUCLEUS of the HYPOTHALAMUS. After being released into the pituitary portal circulation, TRH (was called TRF) stimulates the release of TSH and PRL from the ANTERIOR PITUITARY GLAND.
    Research & Reference Note

    Livagen LI20 White powder in Stock Pharmacy Grade Peptide high purity best quality 1 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
    • Livagen LI20 White powder in Stock Pharmacy Grade Peptide high purity best quality 1 Certificates 1 TDS

    Basic Info
    Product Name:

    TSH-releasing hormone

    Other Name:

    L-Prolinamide,5-oxo-L-prolyl-L-histidyl-;Thyrotropin-releasing factor;5-Oxo-L-prolyl-L-histidyl-L-prolinamide;L-Pyroglutamyl-L-histidyl-L-prolinamide;L-Pyroglutamyl-L-histidyl-L-proline amide;Synthetic TRH;Synthetic thyrotropin-releasing hormone;(Pyro)-L-glutamic acid-L-histidine-L-proline-NH2;Synthetic TSH-releasing hormone;Synthetic TSH-releasing factor;Synthetic thyrotropin-releasing factor;Lopremone;FDA 1725;Synthetic TRF;Protirelin;TSH-releasing factor;Thyroliberin;TRH;TRF;Thyrotropin-releasing hormone;Thyrotropic hormone-releasing factor;TSH-releasing hormone;Thyrotropic hormone-releasing hormone;Thyrotropic-releasing factor;TSH-RF;Thyroid-stimulating hormone-releasing factor;Thyrotropic releasing hormone;Rifathyroin;Ro 8-6270/9;Thyroid releasing hormone;Relefact TRH;Thyrefact;Rifotironin;Antepan;Prem;Thypinone;Stimu TSH;Abbott 38579;83: PN: US20090175821 PAGE: 403 claimed protein;252: PN: WO2010033207 SEQID: 378 claimed protein;9015-91-2;22365-17-9;22365-02-2;39422-15-6;77666-61-6

    CAS No.:

    24305-27-9

    Molecular Formula:

    C16H22N6O4

    InChIKeys:

    InChIKey=XNSAINXGIQZQOO-SRVKXCTJSA-N

    Molecular Weight:

    362.38

    Exact Mass:

    362.38

    EC Number:

    246-143-4

    UNII:

    5Y5F15120W

    DSSTox ID:

    DTXSID0023533

    ATC Code:

    V - Various

    Characteristics
    PSA:

    150

    XLogP3:

    -2.43

    Appearance:

    powder

    Density:

    1.5±0.1 g/cm3

    Boiling Point:

    942.1±65.0 °C at 760 mmHg

    Flash Point:

    523.6±34.3 °C

    Refractive Index:

    1.617

    Water Solubility:

    H2O: 10 mg/mL, clear, colorless

    Storage Conditions:

    −20°C

    Vapor Pressure:

    0mmHg at 25°C

    Collision Cross Section:

    181 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|184.12 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field]|187.07 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|179.2 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|182.4 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|184.5 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|183.2 Ų [M+Na-2H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|183.2 Ų [M-2H+Na]-

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Inhalation

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H332 Harmful if inhaled

    Precautionary statement(s)
    Prevention

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P271 Use only outdoors or in a well-ventilated area.

    Response

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P317 Get medical help.

    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:

    Peptides

    Location:

    Y17, Room 310, East Third Floor, No. 64 and 66 Jianzhong Road, Tianhe District, Guangzhou City

    Payment Terms:

    TT against copy of documents,100% TT in advance

    Average lead Time:

    1

    Total Employees:

    11-50

    Year of Establishment:

    2026

    Founded in 2024, PGpeptides is a specialized supplier of high-purity
    research peptides serving the global scientific community. With deep
    industry expertise, we deliver consistent product quality, competitive
    pricing, and flexible service tailored to research institutions, laboratories,
    and distributors worldwide.
    Our operations span North America, Europe, Asia, Australia, and the
    Middle East, backed by a mature international trade infrastructure and a
    reliable global fulfillment network. We have earned strong recognition 
    and trust across the markets we serve.
  • Inquiry History
    7 Inquiries
    Country Product Purchase Quantity Date Posted
    Brazil

    TRH Thyrotropin

    10 MT Mar 5, 2026
    Italy

    Thyrotropin

    200 MG Nov 22, 2024
    Netherlands

    Livagen

    1 G Apr 26, 2026
    United States

    TRH (Thyrotropin-Releasing Hormone)

    20 MG Jul 23, 2025
    Thailand

    Bronchogen

    100  Apr 23, 2025
    Italy

    Protirelin

    100 MG Nov 7, 2024
    United States

    Protirelin Acetate

    10 KG Nov 15, 2023
    Post an enquiry for this product
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