DL-Methionine CAS 59-51-8

CAS:59-51-8

Cov mis molecular:C5H11NO2S

Qhov Hnyav Molecular:149.21

EINECS:200-432-1

Cov lus txhais:DL-Methionine≥ 99% (Titration); (RS)-Methionine; Kochia txiv hmab txiv ntoo extract (10:1); DL-Met-OH; DL-METHIONINE (13C5,D8,15N); DL-METHIONINE (METHYL-13C); Kochia noob extract; BUFFER SOLUTION PH 4 AVS TITRINORM BOM; BUFFER PH10 (20°C) AVS TITRINORM

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

DL-Methionine CAS 59-51-8 yog dab tsi?

DL Methionine yog ib qho dawb flaky crystalline los yog crystalline hmoov. Muaj ib qho tsw tshwj xeeb. Qhov saj yog me ntsis qab zib. Melting point 281 degrees (decomposition). Tus nqi pH ntawm 10% aqueous kua yog 5.6-6.1. Nws tsis muaj kev ua haujlwm optical, ruaj khov rau cua sov thiab cua, thiab tsis ruaj khov rau cov kua qaub muaj zog, uas tuaj yeem ua rau demethylation. Nws yog soluble hauv dej (3.3g / 100ml, 25 degrees), dilute acid, thiab dilute kua. Insoluble heev hauv ethanol thiab yuav luag insoluble hauv ether.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
Cov xwm txheej cia khoom	2-8°C
Qhov Ceev	1.34
Qhov kub yaj	284 °C (kub txo) (lit.)
pKa	2.13 (ntawm 25 ℃)
MW	149.21
Kub taw tes	306.9±37.0 °C (Kwv yees)

Daim Ntawv Thov

DL Methionine yog qhov tsim nyog rau kev tiv thaiv thiab kho cov kab mob siab thiab arsenic lossis benzene lom. Nws kuj tseem siv tau los kho cov kab mob tsis zoo uas tshwm sim los ntawm cov protein tsis txaus vim yog dysentery thiab cov kab mob sib kis ntev. DL Methionine tuaj yeem siv ua cov tshuaj biochemical rau kev tshawb fawb biochemical; Kev siv cov tsiaj txhu thiab kab mob uas muaj cov isomers sib xyaw.