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mankhwala

BOC-L-Asparagine (CAS# 7536-55-2)

Chemical Property:

Molecular Formula C9H16N2O5
Misa ya Molar 232.23
Kuchulukana 1.2896 (kuyerekeza movutikira)
Melting Point 175°C (dec.)(lit.)
Boling Point 374.39 ° C (kuyerekeza molakwika)
Kuzungulira Kwapadera (α) -7 ° (C=1, DMF)
Pophulikira 245 ° C
Kusungunuka pafupifupi kuwonekera mu N,N-DMF
Kuthamanga kwa Vapor 1.33E-10mmHg pa 25°C
Maonekedwe Mwala woyera
Mtundu Choyera
Mtengo wa BRN 1977963
pKa 3.79±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
Refractive Index -7 ° (C=1, DMF)
MDL Mtengo wa MFCD00038152
Zakuthupi ndi Zamankhwala Chinthu choyera cha crystalline; Zosungunuka mu DMF, zosasungunuka mu petroleum ether; Malo owonongeka ndi 175-180 ° C; Kusinthasintha kwachindunji [α]20D-9 °(0.5-2 mg/mL, DMF).
Gwiritsani ntchito Ntchito zam'chilengedwe reagents, peptide synthesis.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
Zizindikiro Zowopsa R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S22 - Osapumira fumbi.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
S36 - Valani zovala zoyenera zodzitetezera.
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
WGK Germany 3
TSCA Inde
HS kodi 2924 19 00
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

N-(α)-Boc-L-aspartyl ndi yochokera ku amino acid, yomwe ili ndi zotsatirazi:

Maonekedwe: woyera mpaka chikasu crystalline ufa;

Kusungunuka: kusungunuka muzitsulo zosungunulira organic, monga dimethylformamide (DMF) ndi methanol;

Kukhazikika: Kukhazikika pamalo owuma, koma osasunthika ndi chinyezi m'malo achinyezi, kuyenera kupewedwa kwanthawi yayitali.

Ntchito zake zazikulu ndi izi:

Peptide kaphatikizidwe: monga wapakatikati mu kaphatikizidwe wa polypeptides, angagwiritsidwe ntchito pomanga peptide unyolo kukula;

Kafukufuku wa zamoyo: monga gawo lofunikira pakupanga mapuloteni komanso kafukufuku mu labotale.

 

Njira yokonzekera ya N-(α) -Boc-L-aspartoyl acid nthawi zambiri imatheka pochita L-aspartyl acid ndi Boc-protective reagent.

 

Chidziwitso chachitetezo: N-(α) -Boc-L-aspartoyl acid nthawi zambiri imatengedwa kuti ndi pawiri yokhala ndi kawopsedwe kochepa. Monga reagent yamankhwala, njira zotetezeka zogwirira ntchito m'ma laboratories amankhwala ziyenera kutsatiridwabe powagwira ndi kuwagwiritsa ntchito. Khungu kukhudzana ndi inhalation fumbi ayenera kupewa. Zida zodzitetezera zoyenera monga magolovesi a labu, magalasi, ndi zobvala zodzitetezera ziyenera kuvalidwa zikagwiritsidwa ntchito. Ngati mwakhudza kapena kumwa mowa mwangozi, pitani kuchipatala mwamsanga.


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