SPL Set ID: 46f74c4f-10fc-44cf-aec4-d113f49149bc

Erythromycin is produced by a strain of Saccharopolyspora erythraea (formerly Streptomyces erythraeus ) and belongs to the macrolide group of antibiotics. It is basic and readily forms salts with acids. The base, the stearate salt are practically insoluble in water, freely soluble in acetone, in anhydrous ethanol and in methanol. Erythromycin ethylsuccinate is an ester of erythromycin suitable for oral administration. Erythromycin ethylsuccinate is known chemically as erythromycin 2'-(ethyl succinate). The molecular formula is C 43 H 75 NO 16 and the molecular weight is 862.06. The structural formula is: Erythromycin ethylsuccinate for oral suspension, USP 200 mg/5 mL when reconstituted with water, forms a suspension containing erythromycin ethylsuccinate equivalent to 200 mg erythromycin per 5 mL (teaspoonful) or 100 mg per 2.5 mL (dropperful) with an appealing banana flavor. Erythromycin ethylsuccinate for oral suspension, USP 400 mg/5 mL when reconstituted with water, forms a suspension containing erythromycin ethylsuccinate equivalent to 400 mg of erythromycin per 5 mL (teaspoonful) with an appealing banana flavor. These products are intended primarily for pediatric use but can also be used in adults. Inactive Ingredients Erythromycin ethylsuccinate for oral suspension, USP 200 mg/5 mL, Erythromycin ethylsuccinate for oral suspension, USP 400 mg/5 mL: Banana flavour, caster sugar N° 1 400, neelinatural plain caramel powder, polysorbate 80, sodium citrate and xanthan gum. structure.jpg