Penicillin G (C₁₆H₁₈N₂O₄S) — Properties, Uses & Safety

Overview

The first antibiotic ever discovered, Penicillin G works by inhibiting bacterial cell wall synthesis.

IUPAC Name

(2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

CAS Number

61-33-6

PubChem CID

5904

Molecular Formula

C₁₆H₁₈N₂O₄S

Molar Mass

334.39 g/mol

State at STP

solid

Appearance

White crystalline powder

Physical Properties

Melting Point

214 °C

Density

1.41 g/cm³

Composition