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5-Fluorocytosine(CAS # 2022-85-7)

Āhuatanga matū:

Tātai rāpoi C4H4FN3O
Molar Mass 129.09
Kiato 1.3990 (whakatau tata)
Te Whakarewa 298-300 °C (dec.) (marama)
Piro Pouri 235.8°C i te 760 mmHg
Tohu Kohiko 96.4°C
Wairewa wai 1.5g/100mL (25 ºC)
Wairewa He iti te whakarewa ki te wai, he iti te wairewa ki te waihano (96 paiheneti)
Kohu Kohu 0Pa i te 25 ℃
Te ahua Kiriata ma
Tae Ma ki te tata ma
Merck 14,4125
BRN 127285
pKa 3.26(i te 25 ℃)
Tikanga Rokiroki 2-8°C
Te pumau Maamaa Maamaa
Tairongo Maamaa Maamaa
Taurangi Refactive 1.613
MDL MCD00006035
Āhuatanga ā-tinana, matū hoki Ira whakarewa 296°C
wairewa 1.5g/100mL (25°C)

Taipitopito Hua

Tohu Hua

Morearea me te Haumaru

Waehere Morearea R40 – Nga taunakitanga iti o te paanga mate pukupuku
R36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
R63 – He kino pea ki te tamaiti kare i whanau
Whakaahuatanga Haumaru S22 – Kaua e pupuhi puehu.
S24/25 – A ape i te pa ki te kiri me nga kanohi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
S36/37 – Mau kakahu whakamarumaru me nga karapu tika.
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 2
RTECS HA6040000
FLUKA BRAND F CODES 10-23
Waehere HS 29335990
Tuhipoka morearea Toxic/Marama tairongo
Te akomanga morearea HE KAUPAPA, NGA RANGI KAMARANGA
Te paitini LD50 i roto i te kiore (mg/kg): >2000 waha me te sc; 1190 ip; 500 iv (Grunberg, 1963)

 

 

5-Fluorocytosine(CAS # 2022-85-7) Kupu Whakataki

kounga
Ko tenei hua he paura tioata ma, he ma ranei, he kore kakara, he paku noa ranei. He iti te wairewa i roto i te wai, te whakarewatanga o te 1.2% i te 20 °C i te wai, te wairewa paku ki te waiwaro; Kare e rewa i roto i te chloroform me te etera; Wairewa i roto i te waimeha waimaota waimaota waimeha ranei wairewa konutai wairewa wairewa. He pūmau i te pāmahana rūma, ka whakaheke i nga tioata ina makariri, ka huri tetahi wahi iti ki te 5-fluorouracil ina whakamahana.
He rongoa antifungal tenei hua i whakahiatotia i te tau 1957 ka whakamahia i roto i nga mahi haumanu i te tau 1969, me te whai hua antibacterial i runga i te Candida, te cryptococcus, te harore tae me te Aspergillus, kaore he awenga aukati ki etahi atu harore.
Ko tana paanga aukati i runga i nga harore na tona urunga ki nga ruma o nga harore tairongo, kei raro i te mahi a te nucleopyine deaminase, ka tangohia nga roopu amino hei hanga i te antimetabolite-5-fluorouracil. Ko te mea whakamutunga ka huri ki te 5-fluorouracil deoxynucleoside me te aukati i te synthetase nucleoside thymine, ka aukati i te hurihanga o te uracil deoxynucleoside ki roto i te thymine nucleoside, ka pa ki te whakahiato DNA.
whakamahi
Antifungals. Ka whakamahia te nuinga mo te candidiasis mucocutaneous, candidal endocarditis, candidal arthritis, cryptococcal meningitis me te chromomycosis.
Te whakamahinga me te inenga Oral, 4~6g ia ra, wehea kia 4 nga wa.
haumarutanga
Me tirotirohia nga tatauranga toto i nga wa katoa i te wa e whakahaere ana. Ko nga turoro me te kore o te ate me te whatukuhu me nga mate toto me nga wahine hapu me whakamahi ma te tupato; Contraindicated i nga turoro me te ngoikore o te renal.
Te whakamarumaru, te rokiroki hau.


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