erythromycin thiocyanate

erythromycin thiocyanate contract manufacturing

Structure
Molecular C37H67NO13HCNS
Molecular Weight 793.02
Chemical Name Erythromycin,thiocyanate (salt);Erythromycin, thiocyanate (salt);(3R,4S,5S,6R,7R,9R,11R,12R,13R,14R)-6-[(2S,3R,4S,6R)-4-dimethylamino-3-hydroxy-6-methyl-oxan-2-yl]oxy-14-ethyl-7,12,13-trihydroxy-4-[(2S,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-oxan-2-yl], Erythromycin thiocyanate
Therapeutic Category Antibiotic
CAS# 7704-67-8
Packaging Tight Container
Shelf Life 3 years
Specifications
Test Name Acceptance Criteria
Identification (By IR) Sample and standard spectra are qualitatively identical
Loss on Drying ≤ 10.0 %
Thiocyanate ≥ 5.9 %
Appearance Powder
Color White to buff
pH (of 0.1% Water Suspension) 5.0 - 7.0
Sulphated Ash (EP/BP) / Residue on Ignition (USP) ≤ 0.5 %
Erythromycin Microbiological - “As Is” mcg/mg
Erythromycin Microbiological - Anhydrous ≥ 750 mcg/mg
Ery A + B + C (Anhydrous by HPLC) ≥ 79.0 %
Ery B (Anhydrous by HPLC) ≤ 4.5 %
Ery C (Anhydrous by HPLC) ≤ 5.0 %
Ery E (Anhydrous by HPLC) ≤ 4.5 %
Ery A Enol Ether (Anhydrous by HPLC) ≤ 1.2 %
Largest Unspecified Impurity (Anhydrous by HPLC) ≤ 1.4 %
Solution (10%) in Methanol Clear to slightly hazy
Practically colorless to pale yellow