HEPES CAS 7365-45-9 Ịdị Ọcha>99.5% (Titration) Ihe nchekwa ihe ndị dị ndụ
Onye isi na-emepụta ihe na onye na-ebubata ya
Ogo dị elu, mmepụta azụmahịa
HEPES CAS 7365-45-9
HEPPS CAS 16052-06-5
Aha Chemical | HEPES |
Ụdị okwu | HEPES Acid efu;2-[4- (2-Hydroxyethyl) -1-piperazinyl] ethanesulfonic acid. |
Nọmba CAS | 7365-45-9 |
Nọmba CAT | RF-PI1629 |
Ọnọdụ Ahịa | N'ọkwa, Mpụta Ihe ruru Tọn |
Usoro ihe omimi | C8H18N2O4S |
Ibu molekụla | 238.30 |
Ebe Na-agbaze | 234.0 ~ 238.0 ℃ |
Njupụta | 1.07 g / ml na 20 ℃ |
Solubility na Mmiri | Ihe fọrọ nke nta ka ọ bụrụ nghọta |
Ụdị | Ruifu Chemical |
Ihe | Nkọwapụta |
Ọkwa | Ultra dị ọcha ọkwa |
Ọdịdị | White Crystalline ntụ ntụ |
Ịdị ọcha | > 99.5% (Titration, ndabere akọrọ) |
Mmiri (nke Karl Fischer) | <0.50% |
Ọnwụ na ihicha | <0.50% (104 ℃, 4h) |
Ihe fọdụrụ na mgbanye | <0.10% |
Ihe na-adịghị edozi | Gafere ule nzacha |
Solubility (1M na H2O) | Kpochapụ ma zuo oke |
Ọla dị arọ (dị ka Pb) | <5ppm |
Ígwè (Fe) | <0.0005% |
Chloride (CI) | <0.005% |
Sulfate (SO4) | <0.005% |
Phosphate (P) | <0.001% |
Arsenic (dị ka) | <0.0001% |
Ndu (Pb) | <0.001% |
Cu | <5ppm |
Mwepu 250nm | <0.05 (1M aq.) |
Mwepu 260nm | <0.05 (1M aq.) |
Mwepu 280nm | <0.05 (1M aq.) |
Oke pH bara uru | 6.8 ~ 8.2 (1% na H2O) |
pKa (25 ℃) | 7.35-7.69 |
Endotoxin | <0.1EU/ml (0.2% Ngwọta) |
Spectrum infrared | Dabara na Ọdịdị |
Nlele ọkọlọtọ | Standardkpụrụ ụlọ ọrụ |
Ojiji | Ihe nchekwa ndu;Ngwa ihe nchekwa Good's maka nyocha ihe ndụ ndụ |
ngwugwu: Kalama, Aluminom foil bag, 25kg / Cardboard Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Ọnọdụ Nchekwa:Na-echekwa n'ime akpa ndị a kpuchiri ekpuchi na ebe dị jụụ na nke kpọrọ nkụ;Chebe site na ìhè na mmiri mmiri.
HEPES (CAS: 7365-45-9)bụ ihe nchekwa a na-ahụkarị maka sayensị ihe ndị dị ndụ, nke a na-eji ya na omenala cell iji nọgide na-enwe pH physiological.Ọ na-eme ihe na-emepụta ihe, nke a na-eji na nkwadebe nke buffers.Akọwapụtara ya dị ka otu n'ime ihe nchekwa ebumnobi kacha mma dị maka iji na nyocha nke ndu.A na-eji HEPES mee ihe dị ka akụkụ nke: Hank's itule salt solution, Dulbecco's modified ugo's medium and no-glucose DMEM, nke a na-eji maka nkwadebe nke mpekere anụ ahụ.Ihe nchekwa ndị a na-eji n'ihe nleba anya mpaghara n'akụkụ basolateral nke ntinye omenala iji nyochaa nhọrọ nhọrọ.