Ampicillin Sodium Salt is a readily-soluble form of ampicillin. It belongs to the group of beta-lactam antibiotics. These antibotics gram-negative bacteria to which E. coli and Salmonella belong. beta-lactam antibiotic prevent the formation of peptidoglycan, an essential building block of the cell membrane. Thus, preventing growth of cells. Used to select for drug-resistant, plasmid-bearing bacteria.
Purity: (same/more than) 98%
Potency: 845-988ug/mg
Appearance: White to off-white powder
Identification: To Pass USP24 Test
pH (1%): 8.0-10.0
Water: (same/less than) 2%
Methylene Chloride:
(same/less than) 0.2%
Solubility (50mg/ml, H2O): Very soluble in water, isotonic sodium chloride and dextrose solutions. Clear, colorless and complete.
Working Concentration:
20-50 ug/ml for E. coli
Storage and Stablility:
Lyophilized powder may be stored at 4 degrees C. Stable for 12 months at 4 degrees C. Reconstitute with sterile buffer or ddH2O. Aliquot and store at -20 degrees C. Reconstituted product is stable for 6 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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