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Erythromycin, 5 g

≥93 %, for biochemistry
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Empirical formula C37H67NO13
Molar mass (M) 733,95 g/mol
Density (D) 1,21 g/cm³
Melting point (mp) 193 °C
CAS No. [114-07-8]
EG-Nr. 204-040-1

Macrolide antibiotic
Stock solution: 10 mg/ml in ethanol. Store stock solution at -20 °C (2 months). Working concentration: 0.1-5 µg/ml. pH-optimum at 8.5. Only stable for approx. 24 hours at pH-range 7 to 7.5. Extremely unstable below pH 6.0.

Erythromycin is a macrolide antibiotic (macrocyclic lactone antibiotic) which is produced from an ac ...
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€28.90/Pack Qty. 

excl. VAT. | 5 g per Pack Qty.

Art. No. 4166.1

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Erythromycin ≥93 %, for biochemistry

Erythromycin is a macrolide antibiotic (macrocyclic lactone antibiotic) which is produced from an actinomycete strain (Saccharopolyspora erythraea, formerly known as Streptomyces erythraeus). Its spectrum of activity is similar to but broader than that of penicillin, which means that erythromycin is also very effective against bacteria such as legionella or mycoplasma. Erythromycin binds to the bacterial 70s rRNA, interferes with the aminoacyl translocation and consequently inhibits biosynthesis. It is used in microbiological fungal culture to prevent bacterial growth and as a selection marker for selection on bacteria with an erythromycin resistance-mediating gene cassette (erm).

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4166.1 5 g glass €28.90
4166.2 10 g glass €47.50
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Certificates of Analysis

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The following analysis certificates have been found:

Type analysis

Assay (HPLC)≥93,0 %  
Water (KF)≤6,5 %  
Specific rotation [α]a (c=2 in ethanol, after 30 min)-78° to -71°  
Thiocyanate (SCN)≤0,3 %  

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