Azithromycin EP impurity A

SL-4845

Azithromycin EP impurity A, >98%

CAS No. : [76801-85-9]

MDL No. : MFCD09038719

Synonyms : N6-Demethylazithromycin; Desmethylazithromycin; 9-Deoxo-9a-aza-9a-homo Erythromycin A; Azaerythromycin A; Azathramycin

IUPAC Name : (2S,3R,4S,5S,8S,10S,11S,13R,14S)-11-(((3R,4R,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((2S,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopentadecan-15-one

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
1G	10.00		In Stock	Estimated to ship on 20 September 2026
5G	25.00		In Stock	Estimated to ship on 20 September 2026
25G	55.00		In Stock	Estimated to ship on 20 September 2026
100G	145.00		In Stock	Estimated to ship on 20 September 2026
500G	425.00		In Stock	Estimated to ship on 20 September 2026

Applications : This is an impurity of Azithromycin (Azithromycin EP impurity A), which is an antibiotic by inhibiting protein synthesis, used for the treatment of bacterial infections.

References : Cigana C. et al.: Biochem Biophys Res Commun., 350(4), 977-982, 2006; Sugiyama K. et al.: Clin Exp Immunol., 147(3), 540-546, 2007; Tyteca D. et al.: Exp. Cell. Res, 281(1), 86-100, 2002; Fa N. et al.: Biochim Biophys Acta, 1768(7), 1830-1838, 2007.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.