Ampicillin Sodium impurities and related standards
Ampicillin Sodium is held here as a working collection of 9 reference materials across 1 CAS numbers. Within the range, the lettered series runs from A to N with 6 letters present. and 4 EP-designated impurities are named explicitly 7 of the entries are impurity-type materials of the parent, 9 are salt or counter-ion variants. 1 entries carry a verified structure drawing, a coverage of 11%; the rest are listed without a structure rather than with an unverified one. 1 of them sit in tier A or B, meaning the data behind the page is complete enough to be indexed and quoted directly, while 8 remain tier C and are kept for search coverage. Forced degradation on the parent tells you which of these materials a method will actually encounter: hydrolytic stress generates the amide and ester cleavage products, oxidative stress generates the N-oxides and hydroxylated analogues, and photolytic stress generates the ring rearrangements. A standard that is not on that list is usually a process impurity, and it is controlled by the route rather than by the formulation. Anyone comparing two suppliers on this parent should ask the same three questions of each: which letters are held, what the content basis is, and whether the structure on the page was verified against the name rather than copied from it.
1 reference standard related to Ampicillin Sodium held in the RSSE catalogue — pharmacopoeial impurities, non-compendial impurities, metabolites and labelled analogues where available.
CAS numbers are listed for 1 of 1; 1 entry carries a structure drawing.
On this page
1 reference standards
Entry — structure, identifiers and pack sizes
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Ampicillin sodium
IN STOCKRS-U059465
1 reference standards
Frequently asked
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Cannot find the impurity you need? Non-compendial impurities can be quoted from a structure — a CAS number is not required. Write to sales@rssechem.com.