Excipient (pharmacologically inactive substance)

What is it?

Methacrylic acid - methyl methacrylate copolymer (1:2), also known as methacrylic acid copolymer, Type B - NF, is an excipient used in pharmaceutical manufacturing.

It is a solid white powder with dissolution above pH of 7.0, and is used in enteric coatings for fast dissolution in the upper bowel, for granulation of drug substances in powder form for controlled-release, and for site-specific drug delivery. It is typically released in the upper bowel of the gastrointestinal tract.^[1]