L-Methionine Cas: 63-68-3
| Catalog Number | xwm 91121 |
| Khoom npe | L-Methionine |
| CAS | 63-68-3 |
| Molecular Formula | CH3SCH2CH2CH(NH2)CO2H |
| Molecular Luj | 149.21 Nws |
| Cov ntaub ntawv khaws cia | Ambient |
| Harmonized tariff Code | 29304010 ib |
Khoom Specification
| Qhov tshwm sim | Dawb crystalline hmoov los yog crystalline hmoov |
| Assay | 99% |
| Kev txheeb xyuas | Ua tau raws li qhov yuav tsum tau ua |
| pH | 5.6-6.1 |
| Poob rau ziab | ≤ 0.3% |
| Sulfate (SO4) | ≤ 0.03% |
| Hlau | ≤ 0.003% |
| Residue ntawm Ignition | ≤ 0.4% |
| Chloride | ≤ 0.05% |
| Hnyav Hlau | ≤ 0.0015% |
| Chromotograhic Purity | Tsis pub ntau tshaj 2.0% ntawm tag nrho cov impurities pom |
| Kev sib hloov tshwj xeeb [ α ] D 2 5 | +22.4º ~ +24.7ºC |
Methionine khoom siv thiab daim ntawv thov teb
【Siv 1】 Khoom noj khoom haus ntxiv.Ib qho tseem ceeb amino acids rau tib neeg lub cev.Vim tias tus nqi siab dua DL-methionine thiab cov nyhuv sib npaug, DL-methionine feem ntau siv.
【Siv 2】 Amino acid tshuaj, khoom noj khoom haus.Rau cirrhosis thiab fatty daim siab.Tsis tas li ntawd, nws yog dav siv los ua cov khoom noj ntxiv los txhim kho cov khoom noj zoo, txhim kho kev siv cov protein ntau thiab txhawb kev loj hlob ntawm cov tsiaj.Piv txwv li, DL-methionine tuaj yeem ua rau cov qe qe ntau ntxiv ntawm cov nqaij qaib, nce qhov hnyav ntawm npua, thiab nce cov kua mis hauv cov nyuj.Cov tshuaj tiv thaiv tsis zoo: hepatic coma hanged.
