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erythromycin
erythromycin
Supplier Info
[China Supplier]
Contact Person : Mr. wang BBCAsimon
Tel : 86-551-4846195
Fax : 86-551-4846082
Product Detail
We specialized in supply of Erythromycin. Please feel free to contact us for more products information and specific requirement

Erythromycin USP31/EP6.0/BP2005 We specialized in produce of Erythromycin. Excellent quality and good price.

Erythromycin USP31/EP6.0/BP2005

  

Synonyms: (-)-Erythromycin

Molecular Formula: C37H67NO13

Molecular Weight: 733.93

Melting point: 138-140 ºC

Alpha: -74.5 º (c=2, ethanol)

Test Items

Specification

Characters

White or almost white crystalline or powder

Identification

1.HPLC

Positive Reaction

2.Infrared spectroscopy

Positive Reaction

Specific optical rotation

-71o~-73o

PH

8.0~10.5

Water

NMT6.0%

Residue

NMT0.2%

Biological potency

potency is not less than 920u/mg on dried substance

(HPLC)Composition

AErythromycin

NMT88.0%

Erythromycin B,C and related substances

Positive Reaction

Thiocyanate

Positive Reaction

erythromycin

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