N-2K,5K,10K.20K 英文简称：four arm (polyethylene glycol) amine 分子量：2K,5K,10K.20K 规格：1g,5g 4Arm-PEG-Amine, 4Arm-PEG-NH2 four arm (polyethylene glycol) amine Synonym: four arm PEG amine, four arm PEG-NH2 ProductStructure: ProductSpecifications: CatalogNumbers:PS4-N-2K,5K,10K.20K. Appearance: White/off-whitesolid, semi-solid or liquid depends on molecular weight. Solubility: 10mg/mL in water,chloroform, DMSO. Stability: 2 Years at 2-8°C, Desiccate. MolecularWeight（PEG）:2K,5K,10K.20K. Reactivegroup: NH2. Reactiveto: COOH,NHS. Purity:> 95%. Handlingand Use: 4Arm-PEG-NH2 is sensitive to light and temperature. Forbest use, material should always be kept in low temperature in dry condition. Avoid frequent thaw and freezing. For moreinformation about using this product, StorageConditions： 4Arm-PEG-NH2 should bestored at 2-8℃.Desiccate. Materials may be handledunder inert gas for best stability. Re-testmaterial after 24 months. RelatedProducts: NH2-PEG-COOH, DSPE-PEG-NH2 NH2-PEG-SH ,FA-PEG-NH2 FITC-PEG-NH2,LA-PEG-NH2 Thisproduct is for research use only and is not intended for use in humans or fordiagnostic use.