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REACH

1-Oxa-6-azacyclopentadecan-15-one, 13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-.alpha.-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-.beta.-D-xylo-hexopyranosyl]oxy]-, (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-

EC number: 617-500-5 | CAS number: 83905-01-5

Life Cycle description
Uses advised against

Physical & Chemical properties

Appearance / physical state / colour

Administrative data

Endpoint:: appearance / physical state / colour
Type of information:: other: visual determination
Adequacy of study:: key study
Reliability:: 2 (reliable with restrictions)

Data source

Materials and methods

Principles of method if other than guideline:: Visual determination
GLP compliance:: no

Test material

Test material information

Constituent 1

Reference substance name:: 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
EC Number:: 617-500-5
Cas Number:: 83905-01-5
Molecular formula:: C38 H72 N2 O12
IUPAC Name:: 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

Results and discussion

Physical state at 20°C and 1013 hPa:: solid

Form / colour / odour

Form:: crystalline
Colour:: white to off-white

Substance type:: organic

Applicant's summary and conclusion

Conclusions:: Azythromycin is a white to off-white crystalline powder.

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