(5-(Methylthio)-2-phenyloxazol-4-yl)triphenylphosphonium iodide CAS 70615-81-5
| CAS No. | 70615-81-5 |
| Molecular Formula | C28H23NOPS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (5-(Methylthio)-2-phenyloxazol-4-yl)triphenylphosphonium iodide (C28H23NOPSI) contains a steroid core, an amide group, sulfur-containing functionality, organophosphorus functionality, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.5, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 579.43 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
(5-(Methylthio)-2-phenyloxazol-4-yl)triphenylphosphonium iodide (CAS 70615-81-5), molecular formula C28H23NOPSI and molecular weight 579.43 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (5-(Methylthio)-2-phenyloxazol-4-yl)triphenylphosphonium iodide 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.
Physical & Chemical Properties
| Molecular Formula | C28H23NOPS I |
| Molecular Weight | 579.43 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- C-[1-(Pyridine-2-sulfonyl)-piperidin-2-yl]-methylamine hydrochloride (CAS 1353947-41-7)
- Cefixime Impurity 76 (CAS CATO-C4X-113976)
- 1-(3-Fluorophenyl)-3-propyl-4,5-dihydro-1H-pyrazol-5-one (CAS 439289-90-4)
- 2,4-Dinitrophenyl Butyrate (CAS 24273-19-6)
- 1-(2,3-dimethoxyphenyl)-2,3,4,9-tetrahydro-1H-beta-carboline (CAS 331852-80-3)
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