Oxacillin Sodium
Oxacillin Sodium is a sodium salt derivative of the beta-lactam antibiotic oxacillin, featuring a 6-aminopenicillanic acid core with a substituted phenylacetyl side chain. Its structure includes a beta-lactam ring fused to a thiazolidine ring, with a sodium counterion associated with the carboxylate group. This impurity arises from the parent drug’s synthetic pathway or oxidative degradation, differing by a single ionic modification. It serves as an HPLC reference standard for quantifying oxacillin-related substances in pharmaceutical quality control.
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Molecular Formula
C19H20N3NaO6S
Molecular Weight
441.4000
CAS Number
7240-38-2
⚠ Unverified
PubChem CID
23694213 ↗
IUPAC Name
sodium;(2S,5R,6R)-3,3-dimethyl-6-[(5-methyl-3-phenyl-1,2-oxazole-4-carbonyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate;hydrate
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Official Reference Standards
| Std | Catalog # | Quantity | Price |
|---|---|---|---|
| EP | Y0000560 ↗ | 10 MG | EUR 90.00 |
| EP | Y0000638 ↗ | 130 MG | EUR 90.00 |
| USP | 1481000 ↗ | 200 mg | USD 297.00 |
📝 Synonyms
oxacillin sodium monohydrate
Bactocill
OXACILLIN SODIUM
Oxacillin sodium salt monohydrate
Cryptocillin
Penstapho
Stapenor
Bristopen
Micropenin
Penicillin p-12
🔬 Chemical Identifiers
CC1=C(C(=NO1)C2=CC=CC=C2)C(=O)N[C@H]3[C@@H]4N(C3=O)[C@H](C(S4)(C)C)C(=O)[O-].O.[Na+]
InChI=1S/C19H19N3O5S.Na.H2O/c1-9-11(12(21-27-9)10-7-5-4-6-8-10)15(23)20-13-16(24)22-14(18(25)26)19(2,3)28-17(13)22;;/h4-8,13-14,17H,1-3H3,(H,20,23)(H,25,26);;1H2/q;+1;/p-1/t13-,14+,17-;;/m1../s1
ZVIYWUUZWWBNMB-VICXVTCVSA-M
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