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Home > Biochemical Engineering > Polypeptide > Thyrotropin-releasing hormone for Sale > High quality Bronchogen reagent for respiratory biochemistry laboratory testing
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High quality Bronchogen reagent for respiratory biochemistry laboratory testing

7 Inquiries

Unit Price:

$40-45/BOU FOB

Get Latest Price
CAS No.:

24305-27-9

Grade:

Pharmaceutical Grade

Content:

99%

Port:

HONGKONG

Brand:

mm

Packaging:

10 vials per box

Price valid (until):

2027-08-27

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

Tirzepatide,Retatrutide,Semaglutide,GHK-Cu

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Bronchogen is an artificially synthesized linear four-amino-acid short-chain tetrapeptide produced via mature solid-phase peptide synthesis and multi-step reverse-phase chromatographic purification technology. It features fixed complete amino acid sequence, ultra-small molecular volume, stable three-dimensional molecular spatial conformation and consistent batch-to-batch component proportion.
    This respiratory tissue-targeted short polypeptide is a core standardized experimental material widely applied in pulmonary cell biology, epigenetic biochemistry and respiratory tissue molecular regulation research fields. It is extensively adopted by university life science laboratories, biotechnology R&D centers and global academic research groups. Under strictly controlled sterile laboratory environments, researchers utilize Bronchogen to carry out systematic basic research including short-chain acidic peptide structural characteristic identification, transmembrane and intranuclear molecular transport analysis, direct binding interaction between polypeptide molecules and genomic DNA/histone fragments, intracellular gene transcription regulation rules and extracellular matrix metabolic network exploration in bronchial epithelial cell models.
    Full-process closed-loop quality monitoring and batch full sampling inspection are implemented throughout the whole production line. Complete traceable test documents such as COA, HPLC chromatograms and mass spectrum identity verification reports can be provided for each batch, ensuring stable molecular composition and highly repeatable experimental performance between different batches. This product is strictly limited to in vitro laboratory testing and academic research activities only.
    Items Specifications
    Product Name Bronchogen
    CAS Number 24305-27-9
    Appearance White lyophilized powder
    Purity ≥99%
    Storage Condition Keep tightly sealed, store at -20°C; shield from strong light, humid air and repeated freeze-thaw cycles
    Shelf Life 24 months under specified storage; reconstituted solution remains stable for 3–7 days at 2–8°C
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    Shop High purity Dulaglutide fusion polypeptide lyophilized powder for lab research-Detailed Image 6


      Product Advantages  


    • Ultra-high Purity & Complete Cyclic Molecular Structural Stability
      Adopting multi-stage chromatographic separation and low-temperature sterile vacuum lyophilization processes, the product overall purity reaches above 99%. HPLC, mass spectrometry and full-length peptide sequencing are adopted for full batch identity verification. Vacuum freeze-drying technology effectively locks intact cyclic peptide spatial structure and prevents disulfide bond breakage or molecular denaturation, delivering accurate, stable and reproducible experimental data for long-cycle neuroendocrine cell research projects.
      Fast Dissolution & Simple Laboratory Operation
      The fluffy loose lyophilized powder dissolves rapidly in all conventional lab aqueous solvents without extra solubilizing additives. Operators can conveniently prepare high-concentration stock solutions and working diluents, fully matching daily operation demands of cell incubation, receptor binding affinity detection and diversified in vitro biochemical analysis experiments.
      Unique Cyclic Nonapeptide Research Value
      With stable intramolecular disulfide cyclic structure, this polypeptide shows specific binding selectivity to corresponding target receptors. It is the standardized experimental sample for studying cyclic peptide folding characteristics, ligand-receptor recognition mechanisms and downstream neuroendocrine signal activation kinetics, covering multiple cutting-edge professional directions of neuropeptide research.
      Comprehensive Traceable Quality Document System
      Customers can apply for a full set of supporting certification materials on demand, including Certificate of Analysis, HPLC chromatogram records, mass spectrum identification data and microbial limit test reports. All production flows follow unified manufacturing specifications for biological laboratory peptide reagents, meeting quality access standards of research institutions in various regions worldwide.
      Excellent Long-Term Low-Temperature Storage Stability
      Equipped with light-blocking and moisture-proof fully sealed vial packaging, the product can maintain intact molecular conformation and stable biochemical properties for 24 months under -20°C storage environment. The prepared aqueous solution also keeps steady within the valid storage period, adapting to both short-term rapid detection tests and continuous long-cycle neuroendocrine cell culture research.
    Shop High purity Dulaglutide fusion polypeptide lyophilized powder for lab research-Detailed Image 7
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    Shop High purity Dulaglutide fusion polypeptide lyophilized powder for lab research-Detailed Image 14
    Shop High purity Dulaglutide fusion polypeptide lyophilized powder for lab research-Detailed Image 15


      Recommended Research Directions


    Basic research on structural characteristics and physicochemical properties of fusion long-chain polypeptides
    In vitro experimental analysis of binding interaction between fusion GLP-1 analogs and cell surface GLP-1 receptors
    Exploration of intracellular single-channel signal cascade reactions triggered by fusion polypeptide ligands
    Construction and optimization of in vitro pancreatic and adipocyte cell models for metabolic research
    Comparative study on structure-activity relationship of short-chain GLP-1 and fusion long-chain GLP-1 analogs
    Research on molecular transport and retention rules of fusion macromolecules in simulated biological microenvironment


      Storage and Operation Guidelines


    Storage Requirements

    All containers must be fully sealed to prevent moisture absorption and external microbial contamination. Store the product in dry, cool and dark low-temperature environment at -20°C. Keep away from direct sunlight, high temperature and damp air. Repeated freeze-thaw circulation of reconstituted liquid is strictly forbidden. It is recommended to divide dissolved solution into multiple small independent aliquots for single separate use. Store separately from strong oxidants and chemically incompatible lab reagents.

    Standard Operating Specifications

    Only professionally trained laboratory technicians are allowed to operate this product. Wear complete protective equipment including lab coat, anti-impact safety goggles and nitrile gloves during all operation steps. Complete powder dissolution and sample transfer work in sterile biosafety cabinet or clean bench to avoid particulate and bacterial contamination. Only qualified sterile purified water and standard PBS buffers can be used for dissolution preparation.

    Waste Disposal Rules

    Treat residual powder, waste liquid and empty packaging containers in strict accordance with local laboratory safety management codes and unified biological hazardous waste disposal standards. It is forbidden to pour any experimental waste into domestic garbage or public sewer pipelines.
    Shop High purity Dulaglutide fusion polypeptide lyophilized powder for lab research-Detailed Image 16
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    Basic Info
    Product Name:

    Thyrotropin-releasing hormone

    Other Name:

    THR 1-2;THR 2-3;PYROGLU-HIS-PRO AMIDE;PYROGLU-HIS-PRO NH2;PYR-HIS-PRO-NH2(TRH);PGLU-HIS-PRO-NH2;PGLU-HIS-PRO AMIDE;5-oxo-l-prolyl-l-histidyl-l-prolinamid

    CAS No.:

    24305-27-9

    Molecular Formula:

    C16H22N6O4

    InChIKeys:

    ITYONPBTNRIEBA-SRVKXCTJSA-N

    Molecular Weight:

    362.38

    BRN:

    770238

    EC Number:

    246-143-4

    Color/Form:

    White to Off-White

    Categories:

    Polypeptide

    Characteristics
    Density:

    1.1675 (rough estimate)

    Melting Point:

    >143°C (dec.)

    Boiling Point:

    494°C (rough estimate)

    Refractive Index:

    1.6000 (estimate)

    Water Solubility:

    water: 25mg/mL, cloudy, colorless to faintly yellow

    PH:

    pH (10g/l, 25℃) : 3.0~4.0

    PKA:

    13.05±0.20(Predicted)

    Critical Temperature & Pressure:

    −20°C

    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:

    Tirzepatide,Retatrutide,Semaglutide,GHK-Cu

    Location:

    RM 701, UNIT 108, 7/F, TWR B NEW MANDARIN PLAZA 14 SCIENCE MUSEUM RD TSIM SHA TSUI HONG KONG

    Year of Establishment:

    2026

  • 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
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