Product Identification

Product Name

Azithromycin

Synonyms

(2R,3R,4R,5R,8R,10R,11R,13S,14R)-11-[(2S,3R,4S,6R)-4-dimethylamino-3-hydroxy-6-methyl-oxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2S,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-oxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one
CP-62993
XZ-405
Zithromax

CAS

83905-01-5

Formula

C38H72N2O12

Molecular Weight

749

RTECS

RN6960000

RTECS Class

Drug; Reproductive Effector; Human Data

Merck

12,946

Beilstein/Gmelin

5387583

Beilstein Reference

6-17

Physical and Chemical Properties

Appearance

White crystalline powder.

Solubility in water

Insoluble

Melting Point

113

Vapor Pressure

2E-30 (25 C)

pKa/pKb

5.41 (pKa)

Partition Coefficient

3.33

Heat Of Vaporization

134.4 kJ/mol

Usage

Antibacterial agent, antibiotic.

Stability and Reactivity

Incompatibilities

Incompatible with strong oxidizing agents.

Stability

Stable at normat temperatures and pressures.