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Home > Biochemical Engineering > Polypeptide > Octamethylcyclotetrasiloxane for Sale > FST 344 High Purity Lyophilized Peptide Powder Laboratory Research Material
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FST 344 High Purity Lyophilized Peptide Powder Laboratory Research Material

TDS 1 Inquiries

Unit Price:

$205-210/BOU FOB

Get Latest Price
CAS No.:

556-67-2

Grade:

Pharmaceutical Grade

Content:

99%

Port:

GUANGZHOU

Brand:

band

Packaging:

10 pieces per box

Price valid (until):

2028-01-01

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

Tirzepatide,Retatrutide,Semaglutide,GHK-Cu

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    This is a high-quality synthetic polypeptide material with stable molecular structure and consistent physicochemical properties. Produced under strict quality control systems and standardized production processes, the product appears as uniform white or off-white lyophilized powder with high purity and extremely low impurity content, ensuring stable and repeatable experimental data.
    Adopting professional vacuum sealing packaging, the material can effectively isolate air and moisture erosion, maintaining excellent stability during long-term storage and cross-border transportation. It is widely applied in in vitro academic research including biochemistry, cell biology, molecular signaling mechanism exploration and related biochemical experiments, serving as a reliable and standard laboratory research reagent.
    Important Notice
    This product is exclusively for in vitro laboratory scientific research and academic study. It is strictly prohibited to be used as food, dietary supplements, cosmetics, clinical supplies or any daily consumer goods. All forms of application to human bodies and animals are forbidden.
    Items Specifications
    CAS No 556-67-2
    Product Name FST 344
    Appearance White lyophilized powder
    Specification 10 pieces per box
    Origin Guangzhou
    Purity ≥98% HPLC
    Storage Keep sealed, cool, dry and away from light

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      Usage Method  


              1. Usage Instructions

                1. Before operation, prepare corresponding solvent and laboratory utensils, and keep the working environment dry and clean.
                2. Take an appropriate amount of the powder as required, add the matched solvent slowly, and gently shake or mix to fully dissolve.
                3. Prepare the solution according to the experimental concentration standard, and conduct subsequent in vitro experiments immediately after preparation.
                4. Unused raw materials should be sealed and stored in accordance with storage requirements promptly.

                Tips

                • All operations shall be completed in a standard laboratory environment.
                • Avoid direct contact with skin, eyes and respiratory tract.
                • This product is only for in vitro scientific research.
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      Storage Guidelines  


                    1. Storage Conditions

                      • Seal tightly after use, keep away from light, moisture and high temperature.
                      • Short-term storage: Store at 2 ~ 8°C.
                      • Long-term storage: Store below -20°C.
                      • Avoid repeated freezing and thawing to guarantee product stability.
    Shop 5-Amino-1MQ (CAS 42464-96-0)-Detailed Image 9
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     Hong Kong Bosen Peptide R&D Co., Limited


    Hong Kong Bosen Peptide R&D Co., Limited is a professional biotechnology company headquartered in Hong Kong, with a focus on peptide research, development, production and global supply. Rooted in the Greater Bay Area’s strong biotech ecosystem, we integrate cutting-edge R&D capabilities, strict quality control systems and efficient global logistics to deliver high-quality peptide products and technical solutions to customers worldwide.

    Core Business & Product Portfolio


    We specialize in the R&D, customization and commercial production of high-purity peptides, modified peptides and related biotech raw materials. Our product portfolio covers:

    • Therapeutic peptides: SS-31 (Elamipretide), Tirzepatide, Semaglutide, Retatrutide (RT20), etc.
    • Functional peptides: GHK-Cu, TB500, KPV, NAD, Glutathione, etc.
    • Custom peptide services: Custom synthesis of complex sequences, long-chain peptides (up to 200 amino acids) and cyclic peptides, as well as various modification services (N-methylation, unusual amino acid incorporation, etc.).

    R&D & Manufacturing Strength


    • Technical expertise: Mastery of core technologies including solid-phase peptide synthesis (SPPS), liquid-phase synthesis, advanced purification (HPLC) and strict structural characterization.
    • Quality assurance: All products are produced in compliance with cGMP standards, with complete CoA, HPLC and MS reports to ensure batch-to-batch consistency and high purity (≥98%).
    • Production capacity: Equipped with professional production bases in Guangzhou, supporting small-batch R&D samples to large-scale commercial production, with stable supply capacity.

    Global Market & Service Philosophy


    With a customer base spanning the Philippines, the United States, Brazil, Russia, Bangladesh and other regions, we adhere to the service philosophy of "Quality First, Customer Centric". We provide one-stop services including product consultation, customization, technical support and global logistics solutions (door-to-door delivery, customs clearance assistance), committed to becoming a reliable long-term partner for global biotech enterprises, research institutions and health industry clients.

    Vision


    We are dedicated to advancing peptide technology innovation, expanding the application of peptides in health and medical fields, and contributing to global human health with high-quality products and professional services.
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    Certificates
    • FST 344 High Purity Lyophilized Peptide Powder Laboratory Research Material Certificates 1

    Basic Info
    Product Name:

    Octamethylcyclotetrasiloxane

    Other Name:

    Cyclotetrasiloxane,2,2,4,4,6,6,8,8-octamethyl-;Cyclotetrasiloxane,octamethyl-;2,2,4,4,6,6,8,8-Octamethylcyclotetrasiloxane;Octamethylcyclotetrasiloxane;NUC Silicone VS 7207;Union Carbide 7207;SF 1173;UC 7207;VS 7207;Cyclic dimethylsiloxane tetramer;KF 994;SH 344;Abil K 4;Octamethylcyclotetrasiloxanes;Silbione V 2;Dow Corning 244;Dow Corning 344;Volasil 244;DC 344;Mirasil CM 4;TSF 404;LS 8620;D 4;Dabco DC 5258;DC 5258;Tetracyclomethicone;Y 7175;NSC 345674;SH 244;Silbione 70045V2;DC 244;Dow Corning 244 Fluid;DWQ 110;DWQ 120;PMX 0110;XF 3803;YF 393;ZBH 270;SH 244 Fluid;SH 30;Additive 8030;2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane;L 6907;83874-62-8;104986-37-0;117563-66-3;1257661-59-8

    CAS No.:

    556-67-2

    Molecular Formula:

    C8H24O4Si4

    InChIKeys:

    InChIKey=HMMGMWAXVFQUOA-UHFFFAOYSA-N

    Molecular Weight:

    92.1692

    Exact Mass:

    296.62

    EC Number:

    209-136-7

    HScode:

    2942000000

    Categories:

    Polypeptide

    Characteristics
    PSA:

    40.46

    XLogP3:

    -0.3272

    Appearance:

    Transparent colorless liquid

    Density:

    0.9558 g/cm3

    Melting Point:

    17.5 °C

    Boiling Point:

    175 °C

    Flash Point:

    33 °F

    Refractive Index:

    n20/D 1.377(lit.)

    Water Solubility:

    H2O: Insoluble

    Storage Conditions:

    Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.

    Vapor Pressure:

    <5 mm Hg ( 25 °C)

    Vapor Density:

    >1 (vs air)

    Toxicity:

    LD50 oral in rat: > 17gm/kg

    Hazard Identification

    Classification of the substance or mixture

    Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 4

    Reproductive toxicity, Category 2

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H413 May cause long lasting harmful effects to aquatic life

    Precautionary statement(s)
    Prevention

    P273 Avoid release to the environment.

    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

    no data available

    Handling and Storage

    Precautions for safe handling

    NO open flames. 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

    Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage. Storage class (TRGS 510): Flammable liquids.

  • 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
    1 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    Octamethylcyclotetrasiloxane

    1.00 KG Dec 24, 2025
    Post an enquiry for this product
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