筛选出 2 条数据

    品牌 产品 货期 价格 货号 规格 /
    生物缓冲液7365-45-9

    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。

     7365-45-9 详细信息

    生物缓冲液

    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。

    展开

    生物缓冲液7365-45-9
    TRC N-(2-羟乙基)哌嗪-N'-2-乙烷磺酸 Hepes 期货,请咨询

     924.00
    H998468 >95%
    生物缓冲液71119-22-7

    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

     71119-22-7 详细信息

    生物缓冲液

    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

    展开

    生物缓冲液71119-22-7
    TRC 3-(N-吗啉)丙磺酸钠(MOPS-Na) MOPSSodiumSalt 期货,请咨询

     847.00
    M725273 /
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