Midecamycin is a macrolide antibiotic that is synthesized from Streptomyces mycarofaciens.
Its melting point may vary depending on the compound type and the source consulted. For example, the Merck Index gives a melting point of 155-156 Celsius for the A<sub>1</sub> type while the Japanese Pharmacopoeia reports 153-158 Celsius. The Merck Index also gives a melting point of 122-125 Celsius for the A<sub>3</sub> type.