L-Methionine CAS 63-68-3

CAS:63-68-3

Molecular Formula:C5H11NO2S

Molecular Luj:149.21 Nws

EINECS:200-562-9

Synonyms:l-alpha-amino-gamma-methylmercaptobutyricacid; l-alpha-amino-gamma-methylthiobutyricacid; L-gamma-Methylthio-alpha-aminobutyric acid; l-gamma-methylthio-alpha-aminobutyricacid; 2-AMINO-4-METHYLMERCAPTOBUTYRIC ACID; METHIONINE, L-; METHIONINE; MET; L-BANTHIONINE; L-LOBAMINE

Tso Koj Cov Lus

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L-Methionine CAS 63-68-3 yog dab tsi?

L-Methionine yog ib qho ntawm cov amino acids tseem ceeb. Dawb nyias crystalline los yog crystalline hmoov nrog ib tug tshwj xeeb tsw. Molecular hnyav 149.21. DL Methionine (daim ntawv haiv neeg) melting point 281 ℃ (decomposition). Tus txheeb ze ntom ntom yog 1.340. Soluble nyob rau hauv dej, dilute acid, thiab dilute alkaline kua, me ntsis soluble nyob rau hauv 95% ethanol, insoluble nyob rau hauv ether.

Specification

Yam khoom	Specification
Boiling point	393.91 ° C (kwv yees)
Qhov ntom	1,34g / cm3
Melting point	284 ° C (hnub) (lit.)
(Lmax)	λ: 260 nm Amax: 0.40, λ: 280 nm Amax: 0.05
PH	5-7 (10g / l, H2O, 20 ℃)
Purity	99%

Daim ntawv thov

L-Methionine amino acid tshuaj thiab khoom noj khoom haus. Siv rau daim siab cirrhosis thiab fatty siab. Tsis tas li ntawd, nws yog dav siv los ua cov khoom noj ntxiv los txhim kho kev noj zaub mov zoo, nce kev siv cov protein ntau, thiab txhawb kev loj hlob tsiaj.