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Home > Food Additives > Nutrition Supplements > (-)-Cystine for Sale > L-Cystine USP AJI 98.5% White crystals powder
L-Cystine USP AJI 98.5% White crystals  powder buy - large image1
L-Cystine USP AJI 98.5% White crystals  powder buy - image1

L-Cystine USP AJI 98.5% White crystals powder

4 Inquiries

Unit Price: Get Latest Price
CAS No.:

56-89-3

Grade:

Pharmaceutical Grade

Content:

98.5%

Port:

any port in China

Packaging:

25kg/bag 25kg/drum

Price valid (until):

2023-06-16

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

manganese sulphate,zinc oxide,ferrous sulphate,magnesium sulphate,zinc sulphate

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      L-Cystine


    L-Cystine
    CAS No: 56-89-3
    Molecular Formula: C6H12N2O4S2
    Molecular Weight: 185.29
    EINECS NO: 200-296-3
    Package: 25KG/Drum,25kg/Bag
    Quality Standards: Crude cystine,USP, AJI
    Characteristics: White crystalline or crystalline powder, soluble in dilute acid and alkali solutions, very insoluble in
    water, insoluble in ethanol.

    img
    Uses: Pharmaceuticals, food additive,feed nutrition, cosmetics and other industries.
    1. It is used for the preparation of biological culture medium, it has the functions of promoting the oxidation and
    reduction of body cells, making the liver function vigorous, promoting the proliferation of white blood cells and
    preventing the development of pathogenic bacteria. Mainly used for various alopecia. It is also used for acute infectious
    diseases such as dysentery, typhoid fever, influenza, asthma, neuralgia, eczema and various toxic diseases, etc., and has
    the function of maintaining protein configuration.It assists in the formation of the skin and is important for
    detoxification. By reducing the body's ability to absorb copper, cystine protects cells from copper poisoning. When it is
    metabolized, it will release sulfuric acid, and sulfuric acid will chemically interact with other substances to increase the
    detoxification function of the entire metabolic system.To assist the supply of insulin, insulin is necessary for the body
    to utilize sugar and starch.
    It is also an important component of amino acid infusion and compound amino acid preparations;
    2. Used as a nutritional supplement and flavoring agent. Used for breast emulsification of milk powder. Dough
    strength enhancer, used in bakery food (yeast starter), baking powder.
    3. As a feed nutrient fortifier, it is beneficial to animal development, increasing body weight and liver and kidney
    function, and improving the quality of fur.
    4. It can be used as cosmetic additives to promote wound healing, prevent skin allergies and treat eczema.
    Stored:in dry, clean and ventilated places. In order to avoid pollution, it is prohibited to place this product together
    with poisonous or harmful substances. The expiry date is for two years.

    Basic Info
    Product Name:

    (-)-Cystine

    Other Name:

    L-Cystine;Cystine,L-;Bis(β-amino-β-carboxyethyl) disulfide;Cystine acid;β,β′-Diamino-β,β′-dicarboxydiethyl disulfide;Dicysteine;3,3′-Dithiobis(2-aminopropanoic acid);β,β′-Dithiodialanine;Cystine;L-Cysteine disulfide;Propanoic acid,3,3′-dithiobis[2-amino-,[R-(R*,R*)]-;(-)-Cystine;L-Cystin;L-(-)-Cystine;Oxidized L-cysteine;[R-(R*,R*)]-3,3′-Dithiobis[2-aminopropanoic acid];l-Cystine;L-Alanine,3,3′-dithiobis-;NSC 13203;24645-67-8;154605-69-3

    CAS No.:

    56-89-3

    Molecular Formula:

    C6H12N2O4S2

    InChIKeys:

    InChIKey=LEVWYRKDKASIDU-IMJSIDKUSA-N

    Molecular Weight:

    240.30000

    Exact Mass:

    240.30

    EC Number:

    206-486-2

    UNII:

    48TCX9A1VT

    DSSTox ID:

    DTXSID2046418

    NCI Thesaurus Code:

    C29610

    HScode:

    2930901000

    Categories:

    Nutrition Supplements

    Characteristics
    PSA:

    177.24000

    XLogP3:

    -6.3

    Appearance:

    DryPowder

    Density:

    1.677 g/cm3

    Melting Point:

    260.5 °C (decomp)

    Boiling Point:

    468.2ºC at 760 mmHg

    Flash Point:

    237ºC

    Refractive Index:

    1.653

    Water Solubility:

    H2O: 0.112 g/L (25 ºC);1 M HCl: 100 mg/mL

    Storage Conditions:

    Store at RT.

    PKA:

    1None

    Dissociation Constants:

    1

    Collision Cross Section:

    149.4 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|145 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|149.4 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|151.2 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|143 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|147.3 Ų [M+Na-2H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|148.1 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|144.39 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|150.08 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|151.81 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field]|147.3 Ų [M-2H+Na]-

    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:

    manganese sulphate,zinc oxide,ferrous sulphate,magnesium sulphate,zinc sulphate

    Location:

    Tianjin Pilot Free Trade Zone (Dongjiang Bonded Port Area) Building 1-2/7-610

    Payment Terms:

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

    Average lead Time:

    5

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    Less than 5

    Year of Establishment:

    2022

    TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD is a leading Trader supplier of Sulfuric acid magnesium salt (1:1), Zinc oxide (ZnO), Ethylenediaminetetraacetic acid based in Districts, Tianjin, China. With a commitment to quality and customer satisfaction, TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD has become a trusted name in the industry. Our product line includes a range of high-quality Sulfuric acid magnesium salt (1:1), Zinc oxide (ZnO), Ethylenediaminetetraacetic acid, which are available at competitive prices. TIANJIN DYNAMIC BIO-TECHNOLOGY CO., LTD has established itself as a reliable supplier of chemical products on the echemi.com.

  • Inquiry History
    4 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    L-CYSTINE

    1.00 KG Mar 31, 2026
    India

    L-CYSTINE

    1.00 KG Aug 7, 2025
    Australia

    L-Cystine

    100.00 KG Jun 1, 2025
    India

    L-CYSTEINE 

    50.00 KG Mar 25, 2025
    Post an enquiry for this product
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