Maleimide-PEG8-succinimidyl ester

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Chemical Structure| 756525-93-6 同义名 : Mal-amido-PEG8-NHS ester
CAS号 : 756525-93-6
货号 : A985907
分子式 : C30H47N3O15
纯度 : 95%
分子量 : 689.705
MDL号 : MFCD11041144
存储条件:

Pure form Inert atmosphere,Store in freezer, under -20°C

In solvent -20°C:3-6个月-80°C:12个月

溶解度 :

DMSO: 105 mg/mL(152.24 mM),注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO

动物实验配方:
生物活性
描述 4, 7, 10, 13, 16, 19, 22, 25-Octaoxa-28-azahentriacontanoic Acid, 31-(2, 5-dihydro-2, 5-dioxo-1H-pyrrol-1-yl)-29-oxo-, 2, 5-dioxo-1-pyrrolidinyl Ester is a PEGn linker for antibody-drug-conjugation (ADC).
*该产品中的马来酰亚胺基团在碱性水溶液中会发生水解形成开环的马来酸酰胺衍生物,会影响生物学活性,例如无法和巯基形成共价硫醚键,影响和生物大分子的连接,建议现配现用,避免在水溶液中长期保存,可在中性或弱酸性水溶液中低温保存,反应时控制弱酸环境[1][2]
实验方案
1mg 5mg 10mg

1 mM

5 mM

10 mM

1.45mL

0.29mL

0.14mL

7.25mL

1.45mL

0.72mL

14.50mL

2.90mL

1.45mL

参考文献

[1]Lyon RP, Setter JR, Bovee TD, Doronina SO, Hunter JH, Anderson ME, Balasubramanian CL, Duniho SM, Leiske CI, Li F, Senter PD. Self-hydrolyzing maleimides improve the stability and pharmacological properties of antibody-drug conjugates. Nat Biotechnol. 2014 Oct;32(10):1059-62.

[2]Knight P. Hydrolysis of p-NN'-phenylenebismaleimide and its adducts with cysteine. Implications for cross-linking of proteins. Biochem J. 1979 Apr 1;179(1):191-7.