What does China Pharmacopoeia cp2020 mean?
Not less than 99.5%. Salicylic acid CP2020 edition of China Pharmacopoeia Salicylic acid is 2- hydroxybenzoic acid, containing no less than 99.5% of C7H6O3. People's Republic of China (PRC) Pharmacopoeia (China Pharmacopoeia for short) was published by China Medical Science and Technology Press on June 5, 20/KLOC-0, and was created by the State Pharmacopoeia Committee.