Product name: Tetraarm-Polyethylene Glycol-Nitrophenyl Carbonate.
Product Name: 4-ARM PEG-NPC, MW: 20000
4-arm PEG-NPC is a chemical compound commonly used in the biomedical field, especially in drug delivery systems. It is made from four-arm polyethylene glycol (4-arm PEG) combined with nitrophenyl carbonate (NPC). 4-ARM PEG is a polymer with a multi-arm structure that has four linear polyethylene glycol chains in its molecule. NPCs are reactive esterification reagents that can be used as crosslinkers or modification reagents for compounds in chemical modifications.
This compound is commonly used in the preparation of nanoparticles, microcapsules, or other carriers for the delivery or release of drugs. Since polyethylene glycol (PEG) has good biocompatibility and water solubility, and nitrophenyl carbonate can provide reactivity, it is a common drug carrier material. Its molecular weight is typically 20,000 daltons (DA), which means that the average molecular weight of its backbone is around 20,000 grams.
Nitrophenyl carbonate (NPC) is a chemical substance commonly used as an active esterification agent. It has the molecular formula C7H4NO4 and is a colorless to light yellow solid. NPCs are widely used in esterification reactions in organic synthesis, especially for the preparation of ester compounds in biochemistry and medicinal chemistry. It also acts as a protective group to protect hydroxyl functional groups by forming NPC esters in the synthesis of organic compounds.
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: Qi Yue Hao February 21, 2024.