Is chloramphenicol a penicillin?

Answer:
No.
Chloramphenicol is an antibiotic derived from Streptomyces venezuelae.
Penicillin is a beta-lactam antibiotic derived from Penicillium mold.While both are antibiotics, each is in a separate chemical and pharmacological class.

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It was the first antibiotic to be manufactured synthetically on a large scale. Chloramphenicol is effective against a wide variety of microorganisms; it is still very widely used in low income countries because it is exceedingly cheap, but has fallen out of favour in the West due to a very rare but very serious side effect: aplastic anemia.In the West, the main use of chloramphenicol is in eye drops or ointment for bacterial conjunctivitis

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