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Bulk Service L Tyrosine Powder / Amino Acid Protein Powder A Receiver

Bulk Service L Tyrosine Powder / Amino Acid Protein Powder A Receiver

    • Bulk Service L Tyrosine Powder / Amino Acid Protein Powder A Receiver
    • Bulk Service L Tyrosine Powder / Amino Acid Protein Powder A Receiver
  • Bulk Service L Tyrosine Powder / Amino Acid Protein Powder A Receiver

    Product Details:

    Place of Origin: China
    Brand Name: Leji
    Model Number: L-Tyrosine Raw Powder

    Payment & Shipping Terms:

    Minimum Order Quantity: Negotiation
    Price: Negotiation
    Packaging Details: Aluminum Foil Bag, barrel, or drum.
    Delivery Time: 7-15 working days
    Payment Terms: T/T, western union, moneygram
    Supply Ability: 5 - 25 metric ton per month
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    Detailed Product Description
    Product Name: L Tyrosine Type: Amino Acid Powder
    CAS No.: 60-18-4 Mf: C9H11NO3
    Einecs No.: 200-460-4 Purity: 99% L-Tyrosine
    Color: White To Pale-brown Flash Point: 176 °C
    Appearance: White Powder Storage: Cool Dry Place
    Standard: BP/USP/EP Other Name: Tyrosine
    High Light:

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    Bulk Service L Tyrosine Powder Proteinogenic Amino Acid A Receiver

     

    About L Tyrosine

        The color reaction of individual amino acids can be used for qualitative and quantitative analysis of these amino acids. There are commonly used Mirren's reaction, when the phenol compound and Hg (NO3) 2 are co heated to make it red, the protein containing tyrosine has this reaction; Pauly reaction, in the alkaline solution, histidine and tyrosine are coupled with diazotized sulfonic acid to make it red.

        Tyrosine is a polar aromatic amino acid containing phenolic hydroxyl. Short for Tyr, y. It belongs to the nonessential amino acid of ketone and sugar with tryptophan and lysine. It is produced by hydroxylation of phenylalanine in animal body, and they decompose and transform in a common way. It can be transformed into dopamine, adrenaline, noradrenaline, thyroxine, melanin, opioid base, tyramine and other bioactive substances. The congenital deficiency of phenylalanine hydroxylase, urinary black acid oxidase and tyrosinase in human and animal can lead to phenylpyruvic aciduria, black uric acid disease and albinism respectively. The decomposition products of tyrosine are fumaric acid and acetoacetate.

     

     

     

    Tests
    Limits
    Test results
    Description
    White crystals or crystalline powder
    conforms
    Identification
    concordant with the reference spec trum
    conforms
    Assay
    98.5 〜101.5%
    100.3%
    Specific rotation
    -9.8°〜-11.2°
    -10.3°
    Chloride(Cl)
    ≤0. 04%
    <0.04%
    Sulfate(SO4)
    ≤0. 04%
    <0. 04%
    Iron (Fe)
    ≤30ppm
    <30ppm
    Heavy metals(Pb)
    ≤15ppm
    <15ppm
    Related compounds
    individual impurity WO. 5% total impurities^ 2.0%
    conforms
    Loss on drying
    ≤0.30%
    0.11%
    Residue on ignition
    ≤0.40%
    0.02%

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    FAQ

     

    Q1: How long is your delivery time?

     

    A: Prompt shipment after receipt of order confirmation for regular products. Generally it is 1-5 days if the goods are in stock. or it is 5-15 days if the goods are not in stock, it is according to quantity.

     
    Q2: How much for the freight?
     
    A: It depends on your area, we will use DHL, FedEx and EMS bulk service, it had discount as normal express service.
     
    Q3: How can i release the payment to you?
     
    A: We can receive your payment by T/T, moneygram or Western union which is recommended.

    Contact Details
    Wuxi Leji Biological Technology Co., Ltd

    Contact Person: Max

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