4-arm Poly(ethylene glycol) norbornene terminated average Mₙ 10,000
A478001-1G / 1G
CAS:1191287-92-9
8arm-PEG20K 7arm-OH, 1arm-COOH, tripentaerythritol core average Mₙ 20,000
A478105-500MG / 500MG