| CAS No. | 147-48-8 |
| Molecular Formula | C16H18N2O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 738.84 g/mol gives Phenoxymethylpenicillin Calcium - API Standards distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Phenoxymethylpenicillin Calcium - API Standards (CAS 147-48-8) is a high-purity analytical reference standard with the molecular formula C16H18N2O5SC16H16N2O5SCa and a molecular weight of 738.84 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Phenoxymethylpenicillin Calcium - API Standards is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 738.84 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), Phenoxymethylpenicillin Calcium - API Standards 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.
| Molecular Formula | C16H18N2O5S C16H16N2O5S Ca |
| Molecular Weight | 738.84 g/mol |
| Purity | 97%+ |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |