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形式
powder
质量水平
旋光性
[α]25/D +159°, c = 1 in H2O
分子量
average Mn 1310
标记范围
1.6-2.0 mol CH3 per unit anhydroglucose
颜色
white
mp
180-182 °C (lit.)
InChI
1S/C56H98O35/c1-64-15-22-36-29(57)43(71-8)50(78-22)86-37-23(16-65-2)80-52(45(73-10)30(37)58)88-39-25(18-67-4)82-54(47(75-12)32(39)60)90-41-27(20-69-6)84-56(49(77-14)34(41)62)91-42-28(21-70-7)83-55(48(76-13)35(42)63)89-40-26(19-68-5)81-53(46(74-11)33(40)61)87-38-24(17-66-3)79-51(85-36)44(72-9)31(38)59/h22-63H,15-21H2,1-14H3
InChI key
QGKBSGBYSPTPKJ-UHFFFAOYSA-N
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一般描述
甲基-β-环糊精(MβCD)是一种大环化合物，可以与许多客体分子形成包合物。与母体β-环糊精相比，它在水溶液中呈现更高的溶解度以及更强的增溶和络合能力。MβCD可用于增强有机溶剂中的酶活性和枯草酶的对映选择性。
应用
甲基-β-环糊精可以用作：
- 缓冲剂添加剂，通改良胶束电动毛细管色谱法（MEKC）结合激光诱导荧光检测有效分离氨基磷脂。
- 流动相添加剂，用于常规和纳米液相色谱法（nano-LC）分析商业片剂制剂中的R,S-萘普生混合物。
- 高效液相色谱法(HPLC)测定生物样品中分析物的分析标准品。
- 毛细管电泳法分离药物制剂中瑞格列奈对映异构体的手性选择剂。
甲基-β-环糊精是一种除胆固醇剂 主要用于破坏脂筏结构。由于其对常用于膜蛋白化学的表面活性剂的高溶解度和亲和力，它还可以用于从蛋白质-脂质-表面活性剂三元混合物中去除表面活性剂以产生2D膜蛋白晶体。
WGK
WGK 3
闪点(°F)
368.6 °F
闪点(°C)
187 °C
个人防护装备
Eyeshields, Gloves, type N95 (US)
Tea polyphenol epigallocatechin?3?gallate associates with plasma membrane lipid rafts: Lipid rafts mediate anti?allergic action of the catechin.
Tachibana H, et al.
Biofactors, 21(1?4), 383-385 (2004)
P Y Grosse et al.
Journal of chromatography. B, Biomedical sciences and applications, 694(1), 219-226 (1997-06-20)
This paper describes a high-performance liquid chromatographic method with fluorescence detection for the analysis of methyl-beta-cyclodextrin (MEBCD) in plasma and cell lysate, after in situ complexation with 1-naphthol. The size-exclusion HPLC column packed with TSK 3000 SW gel, was equilibrated
Controlled 2D crystallization of membrane proteins using methyl-?-cyclodextrin.
Signorell GA, et al.
Journal of Structural Biology, 157(2), 321-328 (2007)
L O Healy et al.
Journal of chromatography. A, 924(1-2), 459-464 (2001-08-28)
Chiral separations of R,S-naproxen mixtures were obtained on an achiral column (ODS) with methyl-beta-cyclodextrin as a mobile phase additive using conventional and nano-LC. The optimised mobile phase composition was 20 mmol l(-1) methyl-beta-cyclodextrin, 20% (v/v) acetonitrile, and 50 mmol l(-1)
Le Zhang et al.
Electrophoresis, 23(17), 3071-3077 (2002-09-11)
Micellar electrokinetic capillary chromatography (MEKC) with laser-induced fluorescence detection is used for the analysis of three classes of aminophospholipids: phosphatidylethanolamine (PE), phosphatidylserine (PS), and lysophosphatidylethanolamine (LPE) molecular species. 3-(2-Furoyl) quinoline-2-carboxaldehyde (FQ), a fluorogenic dye, was employed for labeling of these
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