Oxacillin D5 Sodium CAS 1173-88-2 (unlabelled)
| CAS No. | 1173-88-2 (unlabelled) |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Oxacillin D5 Sodium meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Oxacillin D5 Sodium (CAS 1173-88-2 (unlabelled)), molecular formula C19H13D5N3O5SNa and molecular weight 428.45 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H13D5N3O5SNa, Oxacillin D5 Sodium contains deuterium isotope labeling, a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 428.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C19H13D5N3O5S Na |
| Molecular Weight | 428.45 g/mol |
| Purity | >90% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Oxacillin Standards
- Oxacillin Monohydrate EP Impurity C (CAS 1136-45-4)
- Oxacillin Sodium Salt (CAS 1173-88-2)
- Oxacillin EP Impurity D (CAS 1642559-63-4)
- Oxacillin Impurity N1 (CAS 37699-31-3)
- Oxacillin Monohydrate EP Impurity F (CAS 5053-35-0)
- Oxacillin Impurity 33 (CAS 5053-35-0（free base）)
- Oxacillin Sodium Monohydrate (CAS 7240-38-2)
- Oxacillin EP Impurity G (CAS 724695-30-1)
Recommended Standards
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- (S)-2-oxoazetidine-3-carboxylic acid (CAS 2165694-44-8)
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- 4-(1-Allyl-1,2,5,6-tetrahydropyridin-3-yl)thiazol-2-amine (CAS 108351-91-3)
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