Cefoxitin sodium salt, 500 mg
Molar mass (M) 449,43 g/mol
Melting point (mp) >160 °C
Storage temp. +4 °C
CAS No. [33564-30-6]
Sensitive to light and temperature! Stock solution: 100 mg/ml in water. Store stock solution in the dark at -20 °C (durability 30 weeks). Working concentration: 2-100 µg/ml.
excl. VAT. | 500 mg per Pack Qty.
Art. No. 4156.2
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Cefoxitin sodium salt ≥98 %, for biochemistry
Semi-synthetic second generation cephalosporin derivate. Cefoxitin interferes with peptidoglycan layer composition during cell wall synthesis and is effective against a broad spectrum of gram-positive bacteria. Its effectivity against gram-negative bacteria is lower. Also active against anaerobic bacteria. Zone of inhibition analysis with Cefoxitin is used to detect methicilin resistance. Stable against cleavage by β-lactamase.
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|Assay (HPLC)||≥98 %|
|Solution (1 % in H2O)||colorless to light yellowish|
|Water (KF)||≤3,0 %|
|Spez. Drehung [α]a (c=1 in Methanol)||+200° bis +214°|
|pH value (10 % in water)||4,2-7,0|
|Heavy metals (as Pb)||≤0,002 %|