Category
Oxacillin
CAS Number
Oxacillin STD - 66-79-5 ; IMP - E - 61-72-3 ; IMP - F - 5053-35-0 ; IMP - G - 724695-30-1 ; IMP - I - N/A ; IMP - J- N/A
Molecular Formula
Oxacillin STD - C19H19N3O5S ; IMP - E - C19H18ClN3O5S ; IMP - F - C19H19N3O4S2 ; IMP - G - C19H18ClN3O5S ; IMP - I - C27H29N5O7S2 ; IMP - J - C27H31N5O8S2
Molecular Weight
Oxacillin STD - 401.4 g/mol ; IMP - E - 435.9 g/mol ; IMP - F - 417.50 g/mol ; IMP - G - 435.9 g/mol ; IMP - I - 599.7 g/mol ; IMP - J- 617.7 g/mol;
Synonym

Oxacillin STD - (2S,5R,6R)-3,3-Dimethyl-6-(5-methyl-3-phenylisoxazole-4-carboxamido)-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid;

Oxacillin EP Impurity - E - Cloxacillin ; (2S,5R,6R)-6-[[[3-(2-Chlorophenyl)-5-methylisoxazol-4-yl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ;

Oxacillin EP Impurity - F - Thiooxacillin ; (2R,5R,6R)-3,3-Dimethyl-6-[[(5-methyl-3-phenylisoxazol-4-yl)carbonyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbothioic acid;

Oxacillin EP Impurity - G - Cloxacillin isomer ; (2S,5R,6R)-6-[[[3-(Chlorophenyl)-5-methylisoxazol-4-yl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid  ; 

Oxacillin EP Impurity - I - 6-APA oxacillin amide ;  (2S,5R,6R)-6-[[(2S,5R,6R)-3,3-Dimethyl-6-[[(5-methyl-3-phenylisoxazol-4-yl)carbonyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ;

Oxacillin EP Impurity - J- Ozolamide of 6-APA dimer ; (2S,5R,6R)-6-[[(2R)-[(2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl][[(5-methyl-3-phenylisoxazol-4-yl)carbonyl]amino]acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

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Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Oxacillin CRS is used in chromatography to identify and confirm oxacillin peaks, ensuring accurate qualitative analysis of the sample.