Sulfacetamide-13C6 (Sulphacetamide13C6) is the 13C6 labeled Sulfacetamide (HY-N7123). Sulfacetamide (Sulphacetamide) is a sulfonamide antibiotic that can be used for the study of ocular infections. Sulfacetamide has antifungal and antibacterial activities[1].