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Isopropyl-beta-D-thiogalactopyranoside(CAS#367-93-1)

Āhuatanga matū:

Tātai rāpoi C9H18O5S
Molar Mass 238.3
Kiato 1.3329 (whakatau tata)
Te Whakarewa 105 °C
Piro Pouri 350.9°C (whakatau tata)
Hurihuri motuhake(α) -31º (c=1, wai)
Tohu Kohiko 219°C
Wairewa wai wairewa
Wairewa Wairewa ki te wai, me te mewaro
Kohu Kohu 1.58E-09mmHg i te 25°C
Te ahua Te paura ma
Tae
Merck 14,5082
BRN 4631
pKa 13.00±0.70(I Matapaetia)
Tikanga Rokiroki 2-8°C
Te pumau Eu ana. He hotokore ki te kaha o te waiora.
Tairongo 'tairongo' ki te haumākū me te wera
Taurangi Refactive 1.5060 (whakatau tata)
MDL MFCD00063273

Taipitopito Hua

Tohu Hua

Morearea me te Haumaru

Waehere Morearea R19 – Ka hangaia he peroxide pahū
R40 – Nga taunakitanga iti o te paanga mate pukupuku
R66 – Ka maroke te kiri, ka pakaru ranei te kiri
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S23 – Kaua e hau kohu.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S36/37 – Mau kakahu whakamarumaru me nga karapu tika.
S22 – Kaua e pupuhi puehu.
S36/37/39 – Mau kakahu whakamarumaru tika, karapu me te whakamarumaru kanohi/kanohi.
S27 – Wewetehia nga kakahu poke katoa.
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 10
TSCA Ae
Waehere HS 29389090

 

 

Kupu Whakataki

Ko te IPTG he matū whakaihiihi o te β-galactosidase. I runga i tenei ahuatanga, ka huri te DNA vector o te raupapa pUC (tetahi atu DNA vector me te ira lacZ) me nga pūtau mukunga lacZ hei kaihautu, ka whakawhitia ranei te DNA vector o te M13 phage, mena ka taapirihia te X-gal me te IPTG ki te reo paraharaha, na te α-complementarity o te β-galactosidase, ka taea te kowhiri i te recombinant ira i runga i te ahua o nga koroni ma (nga tohu ranei) ka puta. I tua atu, ka taea hoki te whakamahi hei kaiwhakatairanga korero mo nga vectors korero me nga kaiwhakatairanga penei i te lac, tac ranei. Wairewa i roto i te wai, mewaro, waiwaro, wairewa i roto i te acetone, chloroform, insoluble i roto i te etera. He kaiwhakaora o te β-galactosidase me te β-galactosidase. Karekau i te hauwai e te β-galactoside. He otinga tïpako o te thiogalactosyltransferase. Kua hangaia: Ka rewa te IPTG ki roto i te wai, katahi ka whakahoroa hei whakarite i te otinga rokiroki (0 · 1M). Ko te kukū IPTG whakamutunga i roto i te pereti tohu kia 0 · 2mM.

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