Form
Powder
Appearance
White crystalline powder
Source
Actinomycete saccha
Water Content (Karl Fisher)
<4.0%
Melting Point
132-138 °C
Assay
Not less than 610 u/mg (dried basis)
Erythromycin estolate is a macrolide antibiotic with a target spectrum similar to penicillin.
TOKU-E offers three forms of erythromycin: erythromycin (E002), erythromycin estolate (E003), and erythromycin ethylsuccinate (E004). Erythromycin is sparingly soluble in aqueous solution (2 mg/mL). Erythromycin estolate and erythromycin ethylsuccinate are both freely soluble in organic solvents.
3521-62-8
C40H71NO14 · C12H26SO4
1056.39 g/mol
Macrolide antibiotics inhibit bacterial growth by targeting the 50S ribosomal subunit preventing peptide bond formation and translocation during protein synthesis. Resistance to erythromycin is commonly attributed to mutations in 50S rRNA preventing erythromycin binding allowing the cell to synthesize proteins free of error.
2941.50.0000
Erythromycin is a broad spectrum antibiotic commonly targeting bacteria responsible for respiratory tract infections including Mycoplasma pneumoniae and Legionella pneumophila
Powder
White crystalline powder
Actinomycete saccha
<4.0%
132-138 °C
Not less than 610 u/mg (dried basis)