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Specifications

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.
Catalog #	A2260
Purity	98%
	Potency: 845-988ug/mg
	Appearance: White to off-white powder
	Identification: To Pass USP24 Test
	pH (1%): 8.0-10.0
	Water: 2%
	Methylene Chloride:
	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°C. Stable for 12 months at 4°C. Reconstitute with sterile buffer or ddH2O. Aliquot and store at -20°C. Reconstituted product is stable for 6 months at -20°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.
CAS Number	[69-52-3]
Molecular Formula	C16H18N3O4SNa
Molecular Weight	371.40
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names	6-[D-(-)-alpha-aminophenylacetamido]-penicillanic acid sodium salt