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(-)-Erythromycin, Eur.Ph., ACROS Organics™


Quantity 25g
Packaging Glass bottle

Manufacturer: thermo fisher scientific  AC343880250

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Catalog No. AC343880250

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Description & Specifications

Chemical Identifiers

Color White or slightly yellow or colorless or slightly yellow
Physical Form Powder or Crystals, Slightly Hygroscopic
Formula Weight 733.94
Quantity 25g
Assay 93.0 to 102.0% (sum of erythromycin A, B and C, on anhydrous substance); 5.0% max. erythromycin B and erythromycin C)
RTECS Number KF4375000
EINECS Number 204-040-1
TSCA TSCA
Specific Rotation Condition − 74.50 (20.00°C c=2,ethanol)
Related Substances Passes Test, 3.0% max. (HPLC) any impurity, 7.0% max. (HPLC) total impurities
Thiocyanate 0.3% max.
Sulfated Ash 0.2% max.
Packaging Glass bottle
Infrared Spectrum Authentic (Identification A)
Specific Rotation After 30 min., on anhydrous substance: -71° to -78° (20°C, 589nm) (c=2, C2H5OH)
Water 6.5% max. (K.F.)
Chemical Name or Material (-)-Erythromycin
CAS 114-07-8
Molecular Formula C37H67NO13

Specifications

Chemical Name or Material (-)-Erythromycin
Assay 93.0 to 102.0% (sum of erythromycin A, B and C, on anhydrous substance); 5.0% max. erythromycin B and erythromycin C)
Molecular Formula C37H67NO13
Formula Weight 733.94