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Home > Food Additives > Nutrition Supplements > Methylselenocysteine for Sale > L-Se-Methylselenocysteine(L-SeMC)
L-Se-Methylselenocysteine(L-SeMC) buy - large image1
L-Se-Methylselenocysteine(L-SeMC) buy - image1

L-Se-Methylselenocysteine(L-SeMC)

COA 2 Inquiries

Unit Price: Get Latest Price
CAS No.:

26046-90-2

Content:

96%

Port:

北京市

Packaging:

10g/bag 25kg/Cardboard

Price valid (until):

2026-01-24

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

Calcium L-5-Methyltetrahydrofolate,Glucosamine L-5-methyltetrahydrofolate,Vadadustat,Temozolomide,4-Amino-5-imidazole carboxamide hydrochloride,Salcaprozate sodium

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Pls input...

    Items Specifications

    Appearances

    White powder or granule

    Specific rotation

    -10~-15

    Content

    ≥96.0%

    Certificates

    Basic Info
    Product Name:

    Methylselenocysteine

    Other Name:

    L-Alanine,3-(methylseleno)-;Alanine,3-(methylselenyl)-,L-;3-(Methylseleno)-L-alanine;Se-Methylselenocysteine;Methylseleno-L-cysteine;Methylselenocysteine;Selenomethyl selenocysteine;(2R)-2-Azaniumyl-3-methylselanylpropanoate

    CAS No.:

    26046-90-2

    Molecular Formula:

    C4H9NO2Se

    InChIKeys:

    InChIKey=XDSSPSLGNGIIHP-VKHMYHEASA-N

    Molecular Weight:

    182.08

    Exact Mass:

    182.08

    UNII:

    TWK220499Z

    NCI Thesaurus Code:

    C63678

    HScode:

    2922499990

    Categories:

    Nutrition Supplements

    Characteristics
    PSA:

    63.3

    XLogP3:

    -0.89

    Appearance:

    White to slightly yellow Powder

    Boiling Point:

    314.1±37.0 °C at 760 mmHg

    Flash Point:

    143.7±26.5 °C

    Storage Conditions:

    −20°C

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    Acute toxicity - Category 3, Inhalation

    Specific target organ toxicity – repeated exposure, Category 2

    Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

    Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H301 Toxic if swallowed

    H331 Toxic if inhaled

    H373 May cause damage to organs through prolonged or repeated exposure

    H410 Very toxic to aquatic life with long lasting effects

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

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

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

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    P273 Avoid release to the environment.

    Response

    P301+P316 IF SWALLOWED: Get emergency medical help immediately.

    P321 Specific treatment (see ... on this label).

    P330 Rinse mouth.

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

    P316 Get emergency medical help immediately.

    P319 Get medical help if you feel unwell.

    P391 Collect spillage.

    Storage

    P405 Store locked up.

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

    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

    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:

    Calcium L-5-Methyltetrahydrofolate,Glucosamine L-5-methyltetrahydrofolate,Vadadustat,Temozolomide,4-Amino-5-imidazole carboxamide hydrochloride,Salcaprozate sodium

    Location:

    Room 101-602, 6th Floor, Building 15, No. 8 Yard, Liangshuihe 2nd Street, BDA, Beijing, China

    Payment Terms:

    L/C,100% TT in advance

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    11-50

    Year of Establishment:

    2017

    Beijing Ruqueen Biotech. Co., Ltd.  is a high-tech enterprise integrating the R&D and business promotion of novel food ingredients,  API s and intermediates, and novel pharmaceutical excipients. The company advocates a green, eco-friendly, and differentiated approach to health and wellness, emphasizing RSM ( Regulatory Starting Material )   research and QbD (Quality by Design) process development to ensure economical, environmentally friendly, safe, and quality-controllable manufacturing processes.

    The company operates a  1,000+ square meter R&D center  in the Beijing Economic-Technological Development Area (BDA), housing departments for process development, pilot-scale conversion, commercial production, quality research, and business promotion.

    The center's team comprises  Ph.D. and M.S. holders in chemistry  with over 20 years of commercial production experience in APIs. It is equipped with multiple advanced instruments including:   50/100L glass reactors , 20L rotary evaporators , HPLC , IR , LC-MS , GC-MS . Additionally ,  the company maintains  stable cooperative manufacturing bases  in Tianjin  City , Hebei  Province , Shandong  Province , Inner Mongolia Autonomous Region, and other regions, enabling scaled commercial production.

    The company conducts R&D and commercial manufacturing of:   Complex active pharmaceutical ingredients (APIs) , Pharmaceutical intermediates , Novel food ingredients  and Advanced pharmaceutical excipients

    The company provides comprehensive services including:
    ✓ Registration filing support for APIs/excipients (e.g., DMF/CEP preparation)
    ✓ Process optimization for existing pharmaceutical materials
    ✓ Enabling "API + Formulation" integration strategies for pharmaceutical partners

    Intellectual Property Achievements:
    ✓ 3 authorized invention patents
    ✓ 8 pending patent applications (including 2 PCT international filings)

  • Inquiry History
    2 Inquiries
    Country Product Purchase Quantity Date Posted
    Brazil

    3-(Methylseleno)-L-alanine

    1 KG Sep 5, 2024
    United States

    3-(Methylseleno)-L-alanine

    10 KG Jan 26, 2024
    Post an enquiry for this product
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