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L-Methionine (CAS # 63-68-3)

Chemical Property:

Molecular Formula C5H11NO2S
Molar Mass 149.21 Nws
Qhov ntom 1,34g / cm3
Melting Point 284 ° C (hnub) (lit.)
Boling Point 393.91 ° ​​C (kwv yees)
Kev sib hloov tshwj xeeb (α) 23.25 º (c = 2, 6N HCl)
Dej Solubility Soluble
Solubility Soluble hauv dej, inorganic acid thiab kub dilute ethanol, solubility hauv dej: 53.7G / L (20 ° C); Insoluble hauv ethanol, ether, benzene, acetone thiab roj av ether
Qhov tshwm sim Dawb siv lead ua
Xim Dawb
Qhov siab tshaj plaws wavelength (λmax) ['λ: 260 nm Amax: 0.40',
, 'λ: 280 nm Amax: 0.05']
Merck 14, 5975 ib
BRN 172294 ib
pKa 2.13 (ntawm 25 ℃)
PH 5-7 (10g / l, H2O, 20 ℃)
Kev cia khoom 20-25 ° C
Kev ruaj ntseg ruaj khov. Incompatible nrog muaj zog oxidizing neeg sawv cev.
rhiab heev Sensitive rau lub teeb
Refractive Index 1.5216 (kwv yees)
MDL TIAB SA 00063097
Physical thiab Chemical Properties Melting point 276-279 ° C (Lub Kaum Ob Hlis)
kev sib hloov 23.25 ° (c = 2, 6N HCl)
dej-soluble soluble
Siv Rau kev tshawb fawb biochemical thiab khoom noj khoom haus, tab sis kuj rau Pneumonia, cirrhosis thiab fatty siab thiab lwm yam kev kho mob adjuvant

Product Detail

Khoom cim npe

Risk Codes 33 – Kev phom sij ntawm cov teebmeem tshwm sim
Kev nyab xeeb piav qhia 24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
WGK Germany 2
RTECS PIB 0457000
FLUKA BRAND F CODE 10-23
TSCA Yog lawm
HS Code 29304010 ib
Toxicity LD50 qhov ncauj hauv nas: 36gm / kg

 

Taw qhia

L-methionine yog ib qho amino acid uas yog ib qho ntawm lub tsev thaiv cov protein nyob hauv tib neeg lub cev.

 

L-Methionine yog dawb crystalline khoom uas yog soluble hauv dej thiab cawv-raws li kuab tshuaj. Nws muaj lub siab solubility thiab tuaj yeem yaj thiab diluted nyob rau hauv txoj cai.

 

L-methionine muaj ntau yam tseem ceeb hauv kev ua haujlwm lom neeg. Nws yog ib qho ntawm cov amino acids tsim nyog rau lub cev los tsim cov proteins, nrog rau kev sib txuas ntawm cov leeg nqaij thiab lwm cov ntaub so ntswg hauv lub cev. L-methionine tseem koom nrog hauv cov tshuaj biochemical hauv lub cev kom tswj cov metabolism thiab kev noj qab haus huv.

Nws yog siv los ua cov khoom noj khoom haus ntxiv los txhim kho cov nqaij ntshiv kev loj hlob thiab kho, txhawb kev tiv thaiv kab mob thiab txhawb kev kho qhov txhab, thiab lwm yam.

 

L-methionine tuaj yeem npaj los ntawm kev sib xyaw thiab rho tawm. Synthesis txoj kev muaj xws li enzyme-catalyzed cov tshuaj tiv thaiv, tshuaj synthesis, thiab lwm yam. Txoj kev rho tawm tuaj yeem tau txais los ntawm cov protein ntau.

 

Thaum siv L-methionine, cov ntaub ntawv kev nyab xeeb hauv qab no yuav tsum raug sau tseg:

- Tsis txhob kov ntawm daim tawv nqaij thiab qhov muag, thiab yaug tam sim nrog dej txaus yog tias muaj kev sib cuag.

- Tsis txhob noj thiab nqus pa, thiab nrhiav kev kho mob tam sim yog tias noj lossis nqus tau.

- Khaws nruj nreem kaw thiab hauv qhov chaw txias, qhuav, kom deb ntawm cov hluav taws kub thiab cov khoom tawg.

- Ua raws li cov txheej txheem kev nyab xeeb thiab kev ntsuas thaum siv, khaws cia, thiab tuav L-methionine.

 


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  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb