Glyoxylic acid 50% is pharmaceutical intermediate.
Cefovecin is the third-generation cephalosporin antibiotics. It is used to treat skin infections in cats and dogs. In Cefovecin side chain intermediate, it has one process to produce Glyoxylic acid anhydrate.
At present, it has no mass production for Glyoxylic acid anhydrous all over the world. Customers use Glyoxylic acid 50% solution CAS 298-12-4 or Glyoxylic acid monohydrate CAS 563-96-2 directly.
We have two clients who inquired Glyoxylic acid dehydrate first via reagent company. The cost is high and the effect is no good. One is do Cefovecin in Shanghai,who buys glyoxylic acid monohydrate from us now. the other one is do hair cosmetics in Guangzhou,who buys our cosmetic grade glyoxylic acid 50%.
Here we introduce one method to get Glyoxylic acid dehydrate in Cefovecin process.
Adds water carrier in Glyoxylic acid 50% solution or Glyoxylic acid monohydrate.
Heating up, reflux and dehydrate, Glyoxylic acid anhydrous obtains.
Sometimes Glyoxylic acid monohydrate is sold Pure glyoxylic acid by some suppliers. It is wrong. When you buy Pure glyoxylic acid or Glyoxylic acid anhydrate, it needs confirm if it has crystal water. Our measured glyoxylic acid monohydrate purity is over 99%.
