Erythromycin Ph. Eur.

Lieferant: Thermo Scientific

ACRO343880250EA 189 CHF
ACRO343880250 ACRO343880050
Erythromycin Ph. Eur.
Erythromycin
Formel: C₃₇H₆₇NO₁₃
MW: 733,95 g/mol
Melting Pt: 138…140 °C
Lager Temperatur: Raumtemperatur
MDL Number: MFCD00084654
CAS-Nummer: 114-07-8

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Spezifikation Testergebnisse

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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