| CAS No. | 331460-96-9 |
| Molecular Formula | C25H17ClO4S |
| Molecular Weight | 448.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 4-[(1E)-3-(Naphthalen-2-yl)-3-oxoprop-1-en-1-yl]phenyl 4-chlorobenzene-1-sulfonate is closely related to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-[(1E)-3-(Naphthalen-2-yl)-3-oxoprop-1-en-1-yl]phenyl 4-chlorobenzene-1-sulfonate (CAS 331460-96-9), molecular formula C25H17ClO4S and molecular weight 448.92 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-[(1E)-3-(Naphthalen-2-yl)-3-oxoprop-1-en-1-yl]phenyl 4-chlorobenzene-1-sulfonate (C25H17ClO4S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 448.92 g/mol, it falls into the moderately-high-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-[(1E)-3-(Naphthalen-2-yl)-3-oxoprop-1-en-1-yl]phenyl 4-chlorobenzene-1-sulfonate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C25H17ClO4S |
| Molecular Weight | 448.92 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |