Category
Josamycin
CAS Number
Josamycin STD-16846-24-5: IMP-A-18361-46-1: IMP-B-40361-41-9: IMP-C-209549-21-3: IMP-D-22340-94-9: IMP-E-40615-47-2
Molecular Formula
Josamycin STD-C42H69NO15: IMP-A-C41H67NO15: IMP-B-C42H71NO15: IMP-C-C46H75NO16: IMP-D-C42H69NO15: IMP-E-C43H71NO15
Molecular Weight
Josamycin STD-827.99: IMP-A-813.98: IMP-B-830.02: IMP-C-898.1: IMP-D-828.01: IMP-E-842.03
Synonym

Josamycin STD-[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-acetyloxy-10-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-4-(dimethylamino)-5-hydroxy-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] 3-methylbutanoate; Josamycin Propionate Impurity E (EP/BP); (4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-(acetyloxy)-6-[[3,6-dideoxy-4-O-[2,6-dideoxy-3-C-methyl-4-O-(3-methylbutanoyl)-á-L-ribo-hexopyranosyl]-3-(dimethylamino)-â-D-glucopyranosyl]oxy]-10-hydroxy-5-methoxy-9,16-dimethyl-7-(2-oxoethyl)oxacyclohexadeca-11,13-dien-2-one; Leucomycin A3; 3-Acetate 4B-(3-methylbutanoate)leucomycin V; Antibiotic YL 704A3; EN 141; Iosalide; Jomybel; Josacine; Josamina; Josamycin; Kitasamycin A3; Turimycin A5; Vilprafen; Wilprafen

Josamycin EP-Impurity-A-[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-acetyloxy-10-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-4-(dimethylamino)-5-hydroxy-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] butanoate

Josamycin EP-Impurity-B-[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(4R,5S,6S,7R,9R,10R,11E,13E,16R)-4-acetyloxy-10-hydroxy-7-(2-hydroxyethyl)-5-methoxy-9,16-dimethyl-2-oxo-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-4-(dimethylamino)-5-hydroxy-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] 3-methylbutanoate

Josamycin EP-Impurity-C-[(3S,4S,6S)-6-[(3S,4S,6S)-4-(dimethylamino)-5-hydroxy-6-[[(4R,5S,6S,7R,9R,10R,16R)-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-4,10-di(propanoyloxy)-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] 3-methylbutanoate

Josamycin EP-Impurity-D-[(2S,3S,4R,6S)-6-[(2R,3S,4R,5R,6S)-6-[[(4R,5S,6S,7R,9R,10Z,12E,14R,16R)-4-acetyloxy-14-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-1-oxacyclohexadeca-10,12-dien-6-yl]oxy]-4-(dimethylamino)-5-hydroxy-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] 3-methylbutanoate

Josamycin EP-Impurity-E-[6-[4-(dimethylamino)-5-hydroxy-6-[[(11Z,13E)-10-hydroxy-5-methoxy-9,16-dimethyl-2-oxo-7-(2-oxoethyl)-4-propanoyloxy-1-oxacyclohexadeca-11,13-dien-6-yl]oxy]-2-methyloxan-3-yl]oxy-4-hydroxy-2,4-dimethyloxan-3-yl] 3-methylbutanoate

slide.1
Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Josamycin for Peak Identification CRS refers to a Chemical Reference Substance specifically prepared and standardized for use in chromatographic methods such as HPLC to verify the identity of josamycin in pharmaceutical analyses. This reference ensures accurate peak matching, system suitability, and method reliability by providing a known, high-purity sample against which test chromatograms can be compared.