Factory Supplier L-Tryptophan For Sale 73-22-3

Short Description:


  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shenzhen
  • Payment Terms: L/C,D/A,D/P,T/T
  • Product Detail


    Product Tags

    Product Name:                                      L-Tryptophan
    Type:                                                     Nutritional Supplements
    CAS No.:                                               73-22-3
    EINECS No.:                                         2933990099
    Appearance:                                         White to light yellow crystals
    Molecular Formula:                               C11H12N2O2
    Shelf Life:                                              2 years
    Min Order Quantity:                               1 ton


    For human:

    (1) Nutritional supplement, antioxidants. L-Tryptophan is human body important neurotransmitter – 5 – hydroxy tryptamine precursor, it is human body of one of the essential amino acids.

    (2) L-Tryptophan is used for pregnant women nutrition supplements and preschool special milk powder;

    (3) L-Tryptophan can be used for nicotinic acid deficiency (pellagra) treatment medicine;

    (4) As a sedative, regulate the spirit rhythm, improve sleep.

    For animals:

    (1) L-Tryptophan can promote animal feed, weaken the stress reaction, improve animals sleep, still can increase fetal and cubs of antibodies, improve the dairy cattle lactation.

    (2) Reduce the ration of high-quality protein dosage, save feed costs, reduce ration protein feed consumption, save formula space and so on.


    Items Limits Test results
    Appearance White to light yellow crystals or crystalline particle Conforms
      ≥98.0% 99.6%
    pH 5.0~7.0 5.6
    Loss on drying ≤0.50% 0.10%
    Residue on ignition ≤0.50% 0.30%
    Conclusion Passed test according to the Standard of GB/T25735-2010.


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  • Q1: I’m interested in your products, but now I’m out of China, could you offer your labels to my country?
    A1: Sure. We ‘ve got full exportation experience, and no matter where you are, we may arrange the delivery for you, either by sea, by air or by express , depending on your need.

    Q2 : How can I get the samples ?
    A2: We can provide you a free sample for our existing products, the lead time is around 1-2 days. You need to pay the sample delivery cost, If you need the samples according to your design, the sample cost has to be charged from you. The lead time is around 5 days.

    Q3: Is it possible to custom the labels with my own design?
    A3: Yes, and you just need to send us your drawings or artworks, then you can get you want.

    Q4: How can I release the payment to you?
    A4: We can receive your payment by T/T, ESCROW or Western union which is recommended and we can also receive by L/C, D/P, D/A. OA

    Q5: How do you check all the goods in the production line?
    A5: We have spot inspection and finished product inspection. We check the goods when they go into the next step production procedure

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