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BOC-L-Methionine(CAS# 2488-15-5)

Āhuatanga matū:

Tātai rāpoi C10H19NO4S
Molar Mass 249.33
Kiato 1.160±0.06 g/cm3(Whakaahua)
Te Whakarewa 47-50°C(marama)
Piro Pouri 415.5±40.0 °C(I Matapaetia)
Hurihuri motuhake(α) -23 º (c=1.3, mewaro)
Tohu Kohiko 205.1°C
Wairewa tata te marama i roto i te Methanol
Kohu Kohu 4.56E-08mmHg i te 25°C
Te ahua Te paura ma
Tae He ma ki waho-ma
BRN 1727869
pKa 3.83±0.10(I Matapaetia)
Tikanga Rokiroki Puritia ki te wahi pouri, Hiri ki te maroke, Te Pawera Rua
Taurangi Refactive -22 ° (C=1.3, AcOH)
MDL MFCD00065586

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xn – He kino
Waehere Morearea R20/21/22 – He kino ma te horomia, ka pa ki te kiri me te horomia.
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S24/25 – A ape i te pa ki te kiri me nga kanohi.
S36 – Mau kakahu whakamarumaru tika.
S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
WGK Tiamana 3
FLUKA BRAND F CODES 9-23
Waehere HS 2930 90 98

 

Kupu Whakataki

Ko te waikawa N-Boc-L-aspartic he pärönaki L-methionine kei roto he roopu tiaki N.

 

Kounga:

Ko te N-Boc-L-methionine he totoka ma e memeha ana i etahi whakarewa waro penei i te mewaro, te waihano, me te methylene chloride. He pūmau i roto i nga tikanga waikawa engari ka hauwai i roto i nga tikanga kawakore.

 

Whakamahia:

Ko te N-Boc-L-methionine he roopu tiaki waikawa amino e tiaki ana i etahi atu roopu tauhohenga i roto i te whakahiatotanga o nga puhui waro.

 

Tikanga:

Ko te whakaritenga o te N-Boc-L-methionine i te nuinga o te wa ka tutuki i te tauhohenga matū o te roopu tiaki N-Boc i runga i te L-methionine. Ko te tikanga noa ko te whakamahi i te Boc2O (N-butyldicarboxamide) me te whakakorikori turanga hei hoatu N-Boc-L-methionine i muri i te tauhohenga.

 

Mōhiohio Haumaru:

Ko te N-Boc-L-methionine he haumaru i raro i nga tikanga whakahaere whakamatautau. Ka whakapataritari i te kanohi, te kiri, me te ara manawa me te tiaki kia kore e pa atu ina whakamahi. Kia tupato ki te u ki nga whakaritenga mahi whakamatautau haumaru me te whakarite i nga tikanga whakamarumaru e rite ana.


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