Erythromycin thiocyanate belongs to the class of macrolide antibiotics and is the thiocyanate salt of erythromycin. This product is a veterinary medicine used for infections caused by Gram positive bacteria and mycoplasma; More are used as starting materials for the synthesis of macrolide antibiotics such as erythromycin, erythromycin, azithromycin, clarithromycin, etc.