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COA COO

Azithromycin EP Impurity B (Azithromycin B)

Impurity

CAS Number

307974-61-4

Molecular Formula

C38H72N2O11

Product format

Neat

Molecular Weight

733.00

Storage

-20°C

Shipping

Room Temperature

API Family

Azithromycin

Synonyms

(2R, 3R, 4S, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-11-(((2S, 3R, 4S, 6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-4, 10-dihydroxy-13-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3, 5, 6, 8, 10, 12 and 14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

Iupac Name

(2R, 3R, 4S, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-11-[(2S, 3R, 4S, 6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-4, 10-dihydroxy-13-[(2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyloxan-2-yl]oxy-3, 5, 6, 8, 10, 12 and 14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one

InChI

InChI=1S/C38H72N2O11/c1-15-28-22(4)30(41)25(7)40(13)19-20(2)17-37(9,45)34(51-36-31(42)27(39(11)12)16-21(3)47-36)23(5)32(24(6)35(44)49-28)50-29-18-38(10,46-14)33(43)26(8)48-29/h20-34,36,41-43,45H,15-19H2,1-14H3/t20-,21-,22+,23+,24-,25-,26+,27+,28-,29+,30+,31-,32+,33+,34-,36+,37-,38-/m1/s1

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COA COO

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Synthesis

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