筛选出 2 条数据

    品牌 产品 货期 价格 货号 规格 /
    氨基酸衍生物98-79-3

    CAS号:98-79-3

    品名:L-焦谷氨酸5-oxo-L-proline

    中文别名:(S)-5-氧-2-吡咯烷羧酸;(S)-(-)-2-吡咯烷酮-5-羧酸;(S)-(-)-2-吡咯烷酮-5-甲酸;5-羧基吡咯烷酮;

    英文别名:L-Pyroglutamicacid;hydroxy-pyridin-3-yl-aceticacid;5oxoproline;L-Proline,5-oxo-;L-Pyroglutamicacid;

    分子式:C5H7NO3

    分子量:129.114

    精确质量:129.043

    Psa:66.4

    RTECS号:TW3710000

    MDL号:MFCD00005272

    外观与性状:白色细晶体

    密度:1.38 g/cm3

    沸点:453.1ºC at 760 mmHg

    熔点:160-163°C(lit.)

    闪点:227.8ºC

    折射率:-10 ° (C=5, H2O)

    稳定性:Stable. Incompatible with bases, acids, strong oxidizing agents.

    储存条件:Store at RT.

    安全说明:S26-S36-S37/39

    危险类别码:R36/37/38

    WGK Germany:3

    海关编码:2933790090

    危险品标志:Xi

    简介:Pyroglutamicacid(alsoknownasPCA,5-oxoproline,pidolicacid,orpyroglutamateforitsbasicform)isanuncommonandlittlestudiedaminoacidderivativeinwhichthefreeaminogroupofglutamicacidorglutaminecyclizestoformalactam.Itisametaboliteintheglutathionecyclethatisconvertedtoglutamateby5-oxoprolinase.Pyroglutamateisfoundinmanyproteinsincludingbacteriorhodopsin.N-terminalglutamicacidandglutamineresiduescanspontaneouslycyclizetobecomepyroglutamate.ThisisoneofseveralformsofblockedN-terminalswhichpresentaproblemforN-terminalsequencingusingEdmanchemistry,whichrequiresafreeprimaryaminogroupnotpresentinpyroglutamicacid.TheenzymepyroglutamateaminopeptidasecanrestoreafreeN-terminusbycleavingoffthepyroglutamateresidue.

    用途:用于食品、医药、化妆品等行业。

     98-79-3 详细信息

    氨基酸衍生物

    CAS号:98-79-3

    品名:L-焦谷氨酸5-oxo-L-proline

    中文别名:(S)-5-氧-2-吡咯烷羧酸;(S)-(-)-2-吡咯烷酮-5-羧酸;(S)-(-)-2-吡咯烷酮-5-甲酸;5-羧基吡咯烷酮;

    英文别名:L-Pyroglutamicacid;hydroxy-pyridin-3-yl-aceticacid;5oxoproline;L-Proline,5-oxo-;L-Pyroglutamicacid;

    分子式:C5H7NO3

    分子量:129.114

    精确质量:129.043

    Psa:66.4

    RTECS号:TW3710000

    MDL号:MFCD00005272

    外观与性状:白色细晶体

    密度:1.38 g/cm3

    沸点:453.1ºC at 760 mmHg

    熔点:160-163°C(lit.)

    闪点:227.8ºC

    折射率:-10 ° (C=5, H2O)

    稳定性:Stable. Incompatible with bases, acids, strong oxidizing agents.

    储存条件:Store at RT.

    安全说明:S26-S36-S37/39

    危险类别码:R36/37/38

    WGK Germany:3

    海关编码:2933790090

    危险品标志:Xi

    简介:Pyroglutamicacid(alsoknownasPCA,5-oxoproline,pidolicacid,orpyroglutamateforitsbasicform)isanuncommonandlittlestudiedaminoacidderivativeinwhichthefreeaminogroupofglutamicacidorglutaminecyclizestoformalactam.Itisametaboliteintheglutathionecyclethatisconvertedtoglutamateby5-oxoprolinase.Pyroglutamateisfoundinmanyproteinsincludingbacteriorhodopsin.N-terminalglutamicacidandglutamineresiduescanspontaneouslycyclizetobecomepyroglutamate.ThisisoneofseveralformsofblockedN-terminalswhichpresentaproblemforN-terminalsequencingusingEdmanchemistry,whichrequiresafreeprimaryaminogroupnotpresentinpyroglutamicacid.TheenzymepyroglutamateaminopeptidasecanrestoreafreeN-terminusbycleavingoffthepyroglutamateresidue.

    用途:用于食品、医药、化妆品等行业。

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    氨基酸衍生物98-79-3
    EP Pidolicacid Pidolicacid 3-4周

     1264.00
    Y0000123 标准品
    氨基酸衍生物1218-34-4

    CAS号:1218-34-4

    品名:N-乙酰-L-色氨酸N-acetyl-L-tryptophan

    中文别名:L-Α-N-乙酰胺基-Β-吲哚丙酸;N-乙酰基-L-色氨酸;

    英文别名:L-Tryptophan,N-acetyl-;N-Acetyl-L-tryptophan;(2S)-2-acetamido-3-(1H-indol-3-yl)propanoicacid;N-Acetyltryptophan;(S)-2-Acetamido-3-(1H-indol-3-yl)propanoicacid;N-Acetyl-Trp-OH;

    分子式:C13H14N2O3

    分子量:246.262

    精确质量:246.1

    Psa:82.19

    EINECS号:214-935-9

    MDL号:MFCD00065976

    PubChem号:24891081

    外观与性状:固体

    密度:1.33g/cm3

    沸点:586.6ºC at 760 mmHg

    熔点:190ºC

    闪点:308.6ºC

    折射率:1.645

    稳定性:Stable. Incompatible with strong oxidizing agents.

    储存条件:库房通风低温干燥

    蒸汽压:1.32E-14mmHg at 25°C

    海关编码:2933990090

    简介:N-Acetyl-L-Tryptophan,isaderivativeofL-Tryptophan,thatcanbeusedascompetitiveinhibitortoidentifyandcharacterizetryptophanases.ItcanalsobeusedasanNK1tachykininreceptorantagonist,thatmayhelptodevelopanoveltherapeuticinterventionforthetreatmentofreperfusioninjuryinacuteischemicstroke.

     1218-34-4 详细信息

    氨基酸衍生物

    CAS号:1218-34-4

    品名:N-乙酰-L-色氨酸N-acetyl-L-tryptophan

    中文别名:L-Α-N-乙酰胺基-Β-吲哚丙酸;N-乙酰基-L-色氨酸;

    英文别名:L-Tryptophan,N-acetyl-;N-Acetyl-L-tryptophan;(2S)-2-acetamido-3-(1H-indol-3-yl)propanoicacid;N-Acetyltryptophan;(S)-2-Acetamido-3-(1H-indol-3-yl)propanoicacid;N-Acetyl-Trp-OH;

    分子式:C13H14N2O3

    分子量:246.262

    精确质量:246.1

    Psa:82.19

    EINECS号:214-935-9

    MDL号:MFCD00065976

    PubChem号:24891081

    外观与性状:固体

    密度:1.33g/cm3

    沸点:586.6ºC at 760 mmHg

    熔点:190ºC

    闪点:308.6ºC

    折射率:1.645

    稳定性:Stable. Incompatible with strong oxidizing agents.

    储存条件:库房通风低温干燥

    蒸汽压:1.32E-14mmHg at 25°C

    海关编码:2933990090

    简介:N-Acetyl-L-Tryptophan,isaderivativeofL-Tryptophan,thatcanbeusedascompetitiveinhibitortoidentifyandcharacterizetryptophanases.ItcanalsobeusedasanNK1tachykininreceptorantagonist,thatmayhelptodevelopanoveltherapeuticinterventionforthetreatmentofreperfusioninjuryinacuteischemicstroke.

    展开

    氨基酸衍生物1218-34-4
    EP N-Acetyltryptophan N-Acetyltryptophan 3-4周

     1264.00
    A0208000 标准品
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