键凯科技提供多种多臂聚乙二醇衍生物，常规产品如下：
Core structure: pentaerythritol
4ARM-PEG-NH2: 4arm PEG Amine, HCl Salt, MW 5000, MW 10000, MW 20000, MW 40000
4ARM-PEG-COOH: 4arm PEG Carboxyl, MW 10000, MW 20000, MW 40000
4ARM-PEG-SCM: 4arm PEG Succinimidyl Carboxymethyl Ester, MW 10000, MW 20000, MW 40000
4ARM-PEG-MAL: 4arm PEG Maleimide, MW 10000, MW 20000, MW 40000
4ARM-PEG-ACLT: 4arm PEG Acrylate, MW 10000, MW 20000
4ARM-PEG-SH: 4arm PEG Thiol, MW 5000, MW 10000, MW 20000
4ARM-PEG-SS: 4arm PEG Succinimidyl Succinate, MW 10000, MW 20000, MW 40000
4ARM-PEG-SG: 4arm PEG Succinimidyl Glutarate, MW 10000, MW 20000, MW 40000
Core structure: hexaglycerin
8ARM-PEG-NH2: 8arm PEG Amine, HCl Salt, MW 10000, MW 20000, MW 40000
8ARM-PEG-COOH: 8arm PEG Carboxyl, MW 10000, MW 20000, MW 40000
8ARM-PEG-MAL: 8arm PEG Maleimide (hexaglycerin), MW 10000, MW 20000, MW 40000
8ARM-PEG-ACLT: 8arm PEG Acrylate (hexaglycerin), MW 10000, MW 20000
8ARM-PEG-SH, 8arm PEG Thiol (hexaglycerin), MW 10000, MW 20000
8ARM-PEG-SS: 8arm PEG Succinimidyl Succinate, MW 10000, MW 15000, MW 20000, MW 40000
8ARM-PEG-SG: 8arm PEG Amine, MW 10000, MW 15000, MW 20000, MW 40000
Core structure: tripentaerythritol
8ARM(TP)-PEG-NH2: 8arm PEG Amine (tripentaerythritol), HCL Salt, MW 10000, MW 20000, MW 40000
8ARM(TP)-PEG-COOH: 8arm PEG Carboxyl(tripentaerythritol), MW 10000, MW 20000, MW 40000
8ARM(TP)-PEG-MAL: 8arm PEG Maleimide(tripentaerythritol), MW 10000, MW 20000, MW 40000
8ARM(TP)-PEG-ACLT: 8arm PEG Acrylate (tripentaerythritol), MW 10000, MW 20000
8ARM(TP)-PEG-VS: 8arm PEG Vinylsufone(tripentaerythritol), MW 10000, MW 20000
8ARM(TP)-PEG-SH: 8arm PEG Thiol(tripentaerythritol), MW 10000, MW 20000
8ARM(TP)-PEG-SS: 8arm PEG Succinimidyl Succinate (tripentaerythritol), MW 10000, MW 15000, MW 20000, MW 40000
8ARM(TP)-PEG-SG: 8arm PEG Succinimidyl Glutarate (tripentaerythritol), MW 10000, MW 15000, MW 20000, MW 40000
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