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NATACYN® (natamycin ophthalmic suspension) 5% is a sterile, antifungal drug for topical ophthalmic administration. Each mL of the suspension contains: Active: natamycin 5% (50mg). Preservative: benzalkonium chloride 0.02%. Inactive: sodium hydroxide and/or hydrochloric acid (neutralized to adjust the pH), purified water. The active ingredient is represented by the chemical structure: Established name: Natamycin

Chemical Structure

Molecular Formula: C₃₃H₄₇NO₁₃
Molecular Weight: 665.73

Chemical name: Stereoisomer of 22-[(3-amino-3,6-dideoxy- β-D-mannopyranosyl)oxy]-1,3,26­trihydroxy-12- methyl-10-oxo-6,11,28-trioxatricyclo[22.3.1.05,7] octacosa-8,14,16,18,20-pentaene-25-carboxylic acid.

Other: Pimaricin
The pH range is 5.0 - 7.5.

Last reviewed on RxList: 8/7/2008
This monograph has been modified to include the generic and brand name in many instances.