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methionine

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Origin: China

Cas No: 59-51-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Quick Details

    CAS No.:
    CAS 59-51-8
    Other Names:
    L-Ascorbic Acid
    MF:
    C6H8O6
    EINECS No.:
    200-066-2
    Place of Origin:
    Hebei,China
    Type:
    Vitamins, Amino Acids and Coenzymes
    Grade Standard:
    Medicine Grade
    Brand Name:
    TH
    Model Number:
    TH-0121
    Purity:
    99%
    Product Name:
    Powder Dl-Methionine Dl Methionine
    CAS:
    CAS 59-51-8
    Appearance:
    White Powder
    Shelf life:
    2 Years
    Storage:
    Cool Dry Place
    Sample:
    Availiable
    Package:
    1kg/bag 25kg/drum
    Color:
    White Color
    Payment:
    Bitcion
    Apperance:
    White Poeder

    Packaging&Delivery

    Packaging Details
    Can also according to customer requirements
    Port
    Qingdao port,Tianjin port
    Lead Time:
    Quantity(Kilograms)1 - 100101 - 500501 - 1500>1500
    Est. Time(days)7915To be negotiated

    Products Description

    Product Name
    DL Methionine
    Purity
    99%
    Appearance
    White Crystalline Powder
    CAS NO.
    59-51-8
    Molecular Formula
    C5H11NO2S

  • Property

    CAS No.: 59-51-8 Formula: C5H11NO2S Molecular Weight: 149.21100

    Description

    Methionine (abbreviated as Met or M; encoded by the codon AUG) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated −NH3+ form under biological conditions), an α-carboxylic acid group (which is in the deprotonated −COO− form under biological conditions), and an S-methyl thioether side chain, classifying it as a non-polar, aliphatic amino acid. It is essential in humans, meaning the body cannot synthesize it and thus it must be obtained from the diet.
    Methionine is coded for by the initiation codon meaning it indicates the start of the coding region and is the first amino acid produced in a nascent polypeptide during mRNA translation.

    Basic Info

    Chemical Name methionine
    Synonyms

    Meonine;
    Urimeth;
    L-MET;
    Metione;
    DL-2-Amino-4-(methylthio)butanoic acid;
    Neston;
    DL-Methionine;
    Dyprin;
    MET;
    Amurex;
    Cynaron;
    Metion;

    CAS No. 59-51-8
    Molecular Formula C5H11NO2S
    Molecular Weight 149.21100
    PSA 88.62000
    LogP 0.85170

    Properties

    Appearance & Physical State white crystalline powder with a faint odor
    Density 1.34
    Boiling Point 306.9ºC at 760 mmHg
    Melting Point 270-273ºC
    Flash Point 139.4ºC
    Stability Stable. Incompatible with strong oxidising agents.
    Storage Condition 0-6ºC

    Safety Info

    RTECS PD0457000
    Safety Statements S24/25
    HS Code 2930400000
    WGK Germany 2
    Risk Statements R33
    Hazard Codes Xi

    Synthesis Route

    2-Amino-4-(methylthio)-butyronitrile→(2S)-2-amino-4-methylsulfinylbutanamide+methionine
    potassium 4-methylthio-2-oxo-butanoate→methionine
    N-Acetyl-DL-methionine→acetic acid+methionine

    Precursor

    N-Acetyl-DL-methionine
    2-hydroxy-4-(methylthio)butyronitrile
    DL-METHIONINOL
    5-[2-(Methylthio)ethyl]hydantoin

    Downstream Product

    HOMOCYSTEINE THIOLACTONE
    L-cystathionine
    S-BENZYL-DL-HOMOCYSTEINE
    Ethyl 2-(acetylamino)-4-(methylsulfanyl)butanoate

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