Azithromycin B
Katalog-Nummer 407380-2.5mg
Size : 2.5mg
Marke : US Biological
Contact local distributor :
Telefonnummer : +1 850 650 7790
Grade
Highly PurifiedShipping Temp
Blue IceStorage Temp
-20°C(2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-4,10-dihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-Oxa-6-azacyclopentadecan-15-one; Azithromycin EP Impurity B
Azithromycin B (Azithromycin EP Impurity B), is an impurity of Azithromycin, a semi-synthetic macrolide antibiotic, and related to Erythromycin A.
Synonyms:
(2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-4,10-dihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-Oxa-6-azacyclopentadecan-15-one; Azithromycin EP Impurity B
CAS No:
307974-61-4
Molecular Formula:
C₃₈H₇₂N₂O₁₁
Molecular Weight:
732.99
Appearance:
White to yellow solid
Purity:
≥95%
Solubility:
Chloroform (Slightly), Methanol (Slightly)
Method for Determining Identity:
Proton NMR Spectroscopic and Mass Spectrometric analysis
TLC Conditions:
SiO2; Dichloromethane: Methanol: Ammounium Hydroxide = 9:1:0.2; Visualized with AMCS and KMnO4; SIngle spot, Rf=0.50
Elemental Analysis:
Calculated: %C: 62.27, %H: 9.90, %N: 3.82
Diethyl Ether:
As Reported
Storage and Stability:
May be stored at RT for short-term only. Long-term storage is recommended at -20°C for 6 months after receipt.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards