HEPES CAS 7365-45-9

CAS:7365-45-9

Mimo:99%

Fọọmu Molecular:C8H18N2O4S

Ìwúwo Molikula:238.3

EINECS:230-907-9

Àkókò Ìpamọ́:ọdun meji 2

Awọn itumọ ọrọ sisọ:HEPES2- [4- (2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONICACID99+%; N- (2-HYDROXYETHYL) -PIPERAZINE-N'-2-ETHANESULFONICID (4- (2-HYDROXYETHYL) PIPERAZINE-1-ETHANESUChemicalbookLFONICACID (HEPES-ACID)); Hepes, FreeAcid (N- [2-Hydroxyethyl] Piperaz; 1-HeptaneSulfonicAcidSod.SaltGr; N- (2-Hydroxyethyl) Piperazine-N' (3-EthanesulfonicAcid); N- (2-Hydroxyethyl)Piperazine-N' (2-Hydroxyethyl) (2-Hydroxyethyl) (2-Hydroxyethyl); Hepes, LowSodium, FreeAcid

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Kini HEPES CAS 7365-45-9?

HEPES CAS 7365-45-9 ti ṣe apejuwe bi ọkan ninu awọn ifipamọ gbogbo-idi ti o dara julọ ti o wa fun iwadii ibi-aye. Ni pH ti ibi, moleku naa jẹ zwitterionic, ati pe o munadoko bi ifipamọ ni pH 6.8 si 8.2 (pKa 7.55). O jẹ igbagbogbo lo ninu aṣa sẹẹli ni ifọkansi laarin 5mM si 30 mM. A ti lo HEPES ni ọpọlọpọ awọn ohun elo, pẹlu aṣa ara. O ti wa ni lilo nigbagbogbo lati da awọn media asa sẹẹli duro ni afẹfẹ. HEPES wa lilo rẹ ni awọn idanwo in vitro lori Mg.

Sipesifikesonu

Nkan	ITOJU
Ifarahan	funfun kirisita lulú
Ohun elo	Alakoso PH
iye PH	5.0-6.5 (1 Maqueous ojutu)
Fusing ojuami	234-238 °C
Oju omi farabale	408℃ [ni 101 325 Pa]
Iṣakojọpọ iwuwo	560kg/m3
iwuwo	1.07 g/ml ni 20 °C
Ipo ipamọ	2-8°C

Ohun elo

Ti kii ṣe majele si sẹẹli. O ti wa ni lo bi awọn kan hydrogen ion saarin, eyi ti o le šakoso awọn ibakan pH ibiti o fun igba pipẹ. Ifojusi jẹ 10-50 mmol / L. Ni gbogbogbo, 20mmol/LHEPES ninu ojutu ounjẹ le gba agbara ifipamọ.