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L-Cystine

4 Inquiries

Unit Price: Get Latest Price
CAS No.:

56-89-3

Grade:

Pharmaceutical Grade

Content:

98%

Port:

Beijing

Brand:

Source Herb

Packaging:

1kg/bag, 25kg/drum

Price valid (until):

2024-10-04

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

Red Yeast Rice,Saw Palmetto Extract,Berberine HCL

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Description of Product:

    Product name: L-cystine

    CAS: 56-89-3
    Formula: C6H12N2O4S2
    Molecular Weight: 240.30
    EINECS: 200-296-3
    Assay: 98.5%-101.0%
    Appearance: White crystalline powder
    Package: 25kg/drum
    Density: 1.571 g/cm3
    Melting Point: >240 ° C (DEC. )(lit. )
    Boiling Point: 468.2 ° C at 760 mmHg
    Flash Point: 237 ° C
    Solubility: 0.112 g/L (25 ° C) in water
    Usage: L-Cystine is used as cystine along with the amino acid methionine are the amino-acids necessary for wound healing.
    Storage: L-Cystine should be storaged in sealed containers under room temperature

    Packaging method:  MOQ:1KG/BAG  25KG/DRUM

    Type of shipping: By DHL, FEDEX, By AIR , By SEA


    FAQ:
    1.What's the MOQ?
    Generally the MOQ is 1kg, Best 25KG/DRUM
    2.Is there any discount?
    Yes, we will give you the best discount according to the size of your order!
    3.How can I confirm the product quality before placing orders?
    We will send you the existing sample or prepare the sample according to your request and send it to you for your confirmation!
    4.How do you treat quality complaint?
    If the quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately!

    5.How to contact with us ?

    Through SKYPE, WHATSAPP, WeChat, and E-mail.
    6.How to place an order & payment ?
    (1). Conduct product consultation,
    (2). Determine the sample,
    (3).After the sample quality meets the requirements, send us the PO,
    (4). We reply to PI
    (5). The customer completes the payment,
    (6). Receive payment for goods, export products,
    (7). The customer receives the goods and completes the order.

    Cooperative customers:
    Our products are exported to European and American countries.
    It also has a large customer base in Southeast Asia and other regions.

    After-sale service:
    If the quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately!
    100% responsible person, safe and reliable, integrity first.


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    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:

    Fragrance Ingredient

    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:

    Red Yeast Rice,Saw Palmetto Extract,Berberine HCL

    Location:

    Room 207-3, 2nd Floor, Building C, 16 Longtan Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province

    Payment Terms:

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

    Average lead Time:

    7

    Total Annual Revenue:

    $1 million-$2.5 million

    Total Employees:

    11-50

    Year of Establishment:

    2016

  • 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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