L-Threonine 72-19-5

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L-Threonine 72-19-5


  • Khoom npe:L-Threonine
  • CAS:72-19-5 ib
  • MF:C4H9NO3
  • MW:119.12 Nws
  • EINECS:200-774-1 : kuv
  • Cim:neeg tsim khoom
  • Pob:1 kg / kg los yog 25 kg / nruas
  • Product Detail

    Khoom cim npe

    Kev piav qhia

    Khoom npe: L-Threonine
    CAS: 72-19-5 Nr
    NPE: C4H9NO3
    PIB: 119.12
    PIB: 200-774-1
    Melting point: 256 ° C (dec.) (lit.)
    Alpha: -28.4 º (c = 6, H2O)
    Kub taw tes: 222.38 ° C (kwv yees ntxhib)
    Qhov ceev: 1.3126 (nruab nrab kwv yees)
    FEMA: 4710 | L-THREONINE
    Refractive Index: -28 ° (C = 6, H2O)
    Cia kub: 2-8 ° C
    Solubility H2O: 50 mg/mL
    Daim ntawv: hmoov
    Pka: 2.09 (ntawm 25 ℃)
    Xim: daj
    PH: 5-6 (100g / l, H2O, 20 ℃)
    Solubility dej: 90 g / L (20 ºC)
    JECFA Nr.: 2119
    PIB: 14,9380
    PIB: 1721646

    Specification

    Khoom npe L-Threonine
    Qhov tshwm sim Dawb Crystalline hmoov
    Purity 99% min
    MW 119.12 Nws
    Melting point 256 ° C (Lub Kaum Ob Hlis) (lit.)

    Daim ntawv thov

    1. Rau kev tshawb fawb biochemical,
    2. Raws li cov tshuaj amino acid khoom noj khoom haus hauv cov tshuaj, nws yog siv los kho ntshav qab zib.
    3. Khoom noj khoom haus ntxiv
    4. Ib qho ntawm cov amino acids tseem ceeb rau tib neeg lub cev, uas tuaj yeem siv los txhim kho kev noj haus thiab txhim kho lub cev.

    Kev them nyiaj

    1, T / T

    2, L / C

    3, Visa

    4, credit card

    5, Paypal ua

    6, Alibaba Trade Assurance

    7, Western union

    8, MoneyGram

    9 Tsis tas li ntawd, qee zaum peb kuj lees txais Bitcoin.

    Cia

    Lub raj mis lub qhov ncauj xim av yog hermetically ntim. Khaws rau hauv qhov chaw txias, qhuav kom deb ntawm lub teeb.

    Kev ruaj ntseg

    1. ruaj khov nyob rau hauv ib txwm kub thiab siab.

    2. Muaj nyob rau hauv cov tshuaj tua kab mob tua kab mob, burley nplooj thiab pa luam yeeb.


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