Erythromycin Ph. Eur.
Supplier: Thermo Scientific
ACRO343880250EA
167
EUR
ACRO343880250
ACRO343880050
Erythromycin Ph. Eur.
Erythromycin
Formula:
C₃₇H₆₇NO₁₃ MW: 733,95 g/mol Melting Pt: 138…140 °C Storage Temperature: Ambient |
CAS Number:
114-07-8 |
Specification Test Results
Appearance | Colorless to white to light yellow Powder or crystals |
Water | ≤6.5 % (K.F.) |
Sulfated ash | ≤0.2 % |
HPLC | 93.0 to 102.0 % (on anhydrous substance) (Sum of erythromycin A, B and C) |
HPLC | ≤5.0 % (erythromycin B) |
HPLC | ≤5.0 % (erythromycin C) |
Identification | A: Passes test (Infrared spectrometry) |
Related substances | passes test |
Related substances | ≤3.0 % (HPLC) any impurity |
Related substances | ≤7.0 % (HPLC) total impurities |
Specific optical rotation | -71° to -78° (20°C, 589 nm) (c=2, C2H5OH) (after 30 min, on anhydrous substance) |
Thiocyanate (SCN) | ≤0.3 % |
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