CAS 52-90-4|L-cysteine

Lub npe:L-cysteine

Synonyms:H-Cys-OH

CAS:52-90-4

Purity:>98. 0 feem pua ​​(T)

Molecular Formula:C₃H₇TSIS MUAJ₂S

Molecular Luj:121.16

Melting Point:240 degree (lub kaum hli ntuj) (lit.)

Boiling Point:293.9ºC ntawm 760 mmHg

Ceev:1.197g / cm3 (kwv yees)

PSA:102.12

LogP:0.028

Qhov tsos:Dawb crystalline hmoov

Kev ruaj ntseg:Stability Stable, tab sis tej zaum yuav muaj huab cua rhiab heev. Incompatible nrog oxidizing tus neeg sawv cev, hauv paus.

Solubility:H2O: 25 mg/ml

Dej solubility:280 g/L (25 ºC)

Acidity coefficient:1.92 (ntawm 25 degree)

Refractive Index:8.8 degree (C{2}}, 1mol/L HCl)

Kev cia khoom:Khaws hauv qab no ntxiv rau 30 degree.

Daim ntawv thov:Cysteine (abbreviated as Cys or C) is a semi-essential proteinogenic amino acid with the formula HO2CCH(NH2)CH2SH>. Nws yog encoded los ntawm codons UGU thiab UGC. Lub thiol sab saw hauv cysteine ​​feem ntau koom nrog cov tshuaj tiv thaiv enzymatic, raws li nucleophile. Lub thiol yog qhov cuam tshuam rau oxidization kom muab cov disulfide derivative cystine, uas ua haujlwm tseem ceeb hauv cov protein ntau. Thaum siv los ua zaub mov ntxiv, nws muaj tus lej E920.

Ntim & Xa

Pob:5g / 10g / 25g / 50g / tej pob

Kev thauj mus los:los ntawm FeDex lossis los ntawm hiav txwv shipping lossis cov neeg siv khoom xav tau

Delivery Detail:Hauv 3-5 hnub tom qab them tag nrho.

Cov nqe lus them nqi yooj yim:Txhawb T / T, Paypal, Credit Card.

Txog tam sim no, Alfa Chemical tau tsim ib lub hauv paus siab heev nrog rau cov chaw tsim khoom, chaw kuaj sim, chaw tshawb fawb.

Los ntawm cov tuam txhab muaj npe nrov hauv tsev thiab cov tsev kawm qib siab saum toj kawg nkaus, peb pab pawg tau mob siab rau kev tshawb fawb tshuaj lom neeg, lav cov khoom zoo los ntawm NMR, HPLC, MS, thiab lwm yam kev tshuaj xyuas thiab muab kev tshawb fawb thiab kev tsim cov kev daws teeb meem rau cov neeg siv khoom thoob ntiaj teb.

Cim npe nrov: cas 52-90-4|l-cysteine, nqe, hais, luv nqi, hauv Tshuag, kev muag khoom