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sehlahisoa

D-Histidine (CAS# 351-50-8)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C6H9N3O2
'Misa oa Molar 155.15
Botenya 1.3092 (khakanyo e fosahetseng)
Melting Point 280 °C
Boling Point 278.95°C (khakanyo e boima)
Phetoho e khethehileng(α) -12 º (c=11, 6N HCl)
Flash point 231.3°C
Ho qhibiliha ha Metsi 42 g/L (25 ºC)
Solubility 1 M HCl: e qhibilihang
Khatello ea Mouoane 3.25E-09mmHg ho 25°C
Ponahalo Khalase e tšoeu
Mmala Bosoeu
Merck 14,4720
BRN 84089
pKa 1.91±0.10(E boletsoeng esale pele)
Boemo ba polokelo Lula sebakeng se lefifi, sepakapaka se se nang moea, mocheso oa kamore
Refractive Index -13 ° (C=11, 6mol/L
MDL MFCD00065963
Thepa ea 'Mele le ea Lik'hemik'hale Sebaka sa ho qhibiliha: 254

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Tlhaloso ea Tšireletseho S22 - U se ke ua hema lerole.
S24/25 - Qoba ho kopana le letlalo le mahlo.
S36/37 - Apara liaparo tse loketseng tsa tšireletso le liatlana.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
WGK Jeremane 3
TSCA Ee
Khoutu ea HS 29332900

 

Selelekela

 

D-histidine e na le likarolo tse fapaneng tsa bohlokoa linthong tse phelang. Ke amino acid ea bohlokoa eo e leng karolo ea bohlokoa e hlokahalang bakeng sa kholo le tokiso ea mesifa ea mesifa. D-histidine e boetse e na le phello ea ho ntlafatsa matla a mesifa le mamello le ho khothalletsa protheine synthesis. E sebelisoa haholo ka ho ikoetlisa le ho tlatsetsa lipapaling.

 

Ho lokisoa ha D-histidine haholo-holo ka lik'hemik'hale tsa lik'hemik'hale kapa biosynthesis. Mokhoa oa chiral synthesis o atisa ho sebelisoa ha ho etsoa lik'hemik'hale, 'me maemo a karabelo le khetho ea catalyst e laoloa, e le hore sehlahisoa sa motsoako se ka fumana histidine ka D-stereo configuration. Biosynthesis e sebelisa mekhoa ea metabolic ea likokoana-hloko kapa tomoso ho kopanya D-histidine.

E le tlatsetso ea phepo e nepahetseng, tekanyo ea D-histidine hangata e bolokehile. Haeba tekanyo e khothalletsoang e fetisitsoe kapa e sebelisoa ka tekanyo e phahameng ka nako e telele, e ka baka litla-morao tse kang ho se thabise ha mala, hlooho, le ho kula. Ntle le moo, D-histidine e lokela ho sebelisoa ka hloko ho batho ba bang, joalo ka bakhachane kapa ba anyesang, bakuli ba nang le bothata ba ho hloleha ha renal kapa phenylketonuria.

 


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