筛选出 2 条数据
品牌 | 产品 | 货期 | 价格 | 货号 | 规格 | / |
---|
CAS号:7365-45-9
品名:4-羟乙基哌嗪乙磺酸2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonicacid
中文别名:N-(2-羟乙基)哌嗪-N'-2-乙烷磺酸;4-(2-羟乙基)-1-哌嗪基]乙磺酸;N-2-羟乙基哌嗪-N'-2-乙磺酸;N-2-羟乙基哌嗪-N'-2-乙磺酸(HEPES);4-(2-羟乙基)-1-哌嗪乙磺酸;羟乙基哌嗪乙磺酸;N-(2-羟乙基)哌嗪-N’-2-乙烷磺酸;
英文别名:GOOD'SBUFFER;HEPES.1/2Na;EIThydrobromide;HEPES,1Msolution;hepesfreeacid;HEPESBUFFERPH8.0;HEPES;hepessolution;
分子式:C8H18N2O4S
分子量:238.305
精确质量:238.099
Psa:89.46
RTECS号:TL6809000
MDL号:MFCD00006158
外观与性状:白色结晶粉末
密度:1.07g/mLat 20°C
熔点:234-238 °C
折射率:n20/D 1.339
稳定性:Stable. Combustible. Incompatible with strong oxidizing agents. Protect from moisture.
储存条件:2-8ºC
安全说明:S24/25-S22-S36-S26
危险类别码:R36/37/38
WGK Germany:1
海关编码:29335995
危险品标志:Xi
简介:HEPES(4-(2-hydroxyethyl)-1-piperazineethanesulfonicacid)isazwitterionicorganicchemicalbufferingagent;oneofthetwentyGood'sbuffers.HEPESiswidelyusedincellculture,largelybecauseitisbetteratmaintainingphysiologicalpHdespitechangesincarbondioxideconcentration(producedbycellularrespiration)whencomparedtobicarbonatebuffers,whicharealsocommonlyusedincellculture.Thedissociationofwaterdecreaseswithfallingtemperature,butthedissociationconstants(pK)ofmanyotherbuffersdonotchangemuchwithtemperature.HEPESislikewaterinthatitsdissociationdecreasesasthetemperaturedecreases.ThismakesHEPESamoreeffectivebufferingagentformaintainingenzymestructureandfunctionatlowtemperatures.Lepe-Zunigaetal.reportedaphototoxicityofHEPESwhenexposedtoambientlightbytheproductionofhydrogenperoxide,whichisnotaprobleminbicarbonate-basedcellculturebuffers.ItisthereforestronglyadvisedtokeepHEPES-containingsolutionsindarknessasmuchaspossible.
用途:本品是一种氢离子缓冲剂,能较长时间控制恒定的pH范围。
TRC | N-(2-羟乙基)哌嗪-N'-2-乙烷磺酸 Hepes | 期货,请咨询 | 924.00 | H998468 | >95% |
规格:
2.5g
1g
500mg
|
CAS号:71119-22-7
品名:3-(N-吗啉基)丙磺酸钠盐MOPSsodiumsalt
中文别名:3-(N-吗啉)丙磺酸钠盐;3-(N-吗啡啉)丙磺酸钠;3-(N-吗啡啉)丙烷磺酸钠;MOPS钠盐;MOPS钠盐;3-吗啉基丙磺酸钠;3-吗啉;3-(N-吗啉)丙磺酸钠;
英文别名:sodium,3-morpholin-4-ylpropane-1-sulfonate;
分子式:C7H14NNaO4S
分子量:231.245
精确质量:231.054
Psa:78.05
MDL号:MFCD00064350
外观与性状:白色粉末
密度:
熔点:277-282°C
储存条件:Store at RT.
安全说明:S24/25
危险类别码:R36/37/38
WGK Germany:1
海关编码:29349097
危险品标志:Xi
TRC | 3-(N-吗啉)丙磺酸钠(MOPS-Na) MOPSSodiumSalt | 期货,请咨询 | 847.00 | M725273 | / |
规格:
5g
2.5g
1g
|