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


Quantity 5g
Packaging Glass bottle

Manufacturer: thermo fisher scientific  343880050

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Catalog No. AC343880050

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Description & Specifications

Chemical Identifiers

Infrared Spectrum Authentic (Identification A)
Packaging Glass bottle
Related Substances Passes Test, 3.0% max. (HPLC) any impurity, 7.0% max. (HPLC) total impurities
Specific Rotation After 30 min., on anhydrous substance: -71° to -78° (20°C, 589nm) (c=2, C2H5OH)
Sulfated Ash 0.2% max.
Thiocyanate 0.3% max.
Water 6.5% max. (K.F.)
Specific Rotation Condition − 74.50 (20.00°C c=2,ethanol)
Color White or slightly yellow or colorless
Quantity 5g
Chemical Name or Material (-)-Erythromycin
CAS 114-07-8
Physical Form White or slightly yellow powder or colorless or slightly yellow crystals, Slightly hygroscopic
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 733.94g/mol
RTECS Number KF4375000
EINECS Number 204-040-1
TSCA TSCA

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 733.94g/mol