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What is Benzocaine made of? Benzocaine is an ester of para-aminobenzoic acid (PABA, common sunscreen molecule) and ethanol (grain alcohol).
An ester is a molecule with a bond between the hydroxy grou…
Benzocaine is an anaesthetic drug, mostly used for application direct to the skin. Benzocaine HCl is a salt modification of benzocaine, formed when benzocaine is complexed with hydrochloric acid. Ofte…
When p-nitrotoluene is used as a raw material to synthesize ethyl p-aminobenzoate (ie, benzocaine), in the esterification reaction, concentrated sulfuric acid is generally used as a catalyst, and the…
Cause of disease
Acute suppurative infection of the middle ear mucosa caused by bacteria entering the middle ear through certain routes is called acute suppurative otitis media. Pathogenic bacteria a…
Sulfa antibiotics were first used in the 1930s and they revolutionized medicine. A few years later, bacteria began to develop resistance to drugs, and eventually, penicillin replaced them as first-lin…
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During sexual stimulation, non-renal anergic non-cholinergic neurons of the corpus cavernosum and vascular endothelial nitric oxide synthase catalyze the synthesis of nitric oxide by L-arginine, which…