Hyaluronic acid is a large molecular polysaccharide extracted from bovine vitreous humor by Columbia University ophthalmology professors Meyer and Palmer in 1934. Its aqueous solution is transparen...
October 1st, quietly came, the birthday of the motherland is about to start! Bless the great motherland, happy birthday and happy holidays!
1949-2022 Warmly celebrate the 73rd anniversary of the fo...
N-Phenyl-1-naphthylamine CAS 90-30-2 is a colorless flaky crystal that turns light gray or brown when exposed to air or sunlight. N-Phenyl-1-naphthylamine is a commonly used antioxidant in natural ...
In our daily life, we often encounter various food additives, industrial materials and medical substances that we may not be familiar with. One of them is EDTA-Ca with cas number 23411-34-9, which ...
Polyvinylpyrrolidone (PVP) ,cas number 9003-39-8,pvp is a non-ionic polymer that is the most distinctive, best-studied and most widely studied fine chemical among N-vinyl amide polymers. Has deve...
Flavor is a product that we often see in life, and the ingredients added are a variety of chemical components and organic compounds. Many consumers can make a variety of products after purchasing f...