(1E,4E)-1,5-Bis(2-chloro-6-fluorophenyl)-1,4-pentadien-3-one CAS 346670-60-8
| CAS No. | 346670-60-8 |
| Molecular Formula | C17H10Cl2F2O |
| Molecular Weight | 339.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(1E,4E)-1,5-Bis(2-chloro-6-fluorophenyl)-1,4-pentadien-3-one (CAS 346670-60-8), molecular formula C17H10Cl2F2O and molecular weight 339.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (1E,4E)-1,5-Bis(2-chloro-6-fluorophenyl)-1,4-pentadien-3-one (C17H10Cl2F2O) contains a steroid core, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 339.16 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (1E,4E)-1,5-Bis(2-chloro-6-fluorophenyl)-1,4-pentadien-3-one 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 | C17H10Cl2F2O |
| Molecular Weight | 339.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
Recommended Standards
- 3-Bromo-4-((3-fluorobenzyl)oxy)benzohydrazide (CAS 1706456-97-4)
- (5-Bromo-2-methoxyphenyl)methyl 4-fluorobenzoate (CAS 331460-33-4)
- 6-Bromo-2-((2-fluorobenzyl)oxy)-3-methoxybenzaldehyde (CAS 1427026-74-1)
- 2-(4-Bromo-2-fluorophenoxy)benzyl acetate (CAS 478032-48-3)
- 2,3,4,5-Tetrahydroxyhexanal (CAS 75247-25-5)
- (5R)-5-[(1S)-1-[[(1,1-Dimethylethoxy)carbonyl]amino]-2-phenylethyl]tetrahydro-2-oxo-3-furancarboxylic Acid Ethyl Ester (CAS 338462-91-2)
- 2-(4-bromophenyl)-1-methylpiperidin-4-one (CAS 1499211-13-0)
- trans-1-bromo-3-ethoxy-cyclobutane (CAS 59138-94-2)
- 4-Methoxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical [Catalyst for Oxidation] (CAS 95407-69-5)
- 1-(3,4-Dihydroquinolin-1(2H)-yl)-2-((4-(2-ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)ethan-1-one (CAS 851274-39-0)
- 5'-Formyl-[2,2'-bifuran]-5-carboxylic acid (CAS 886508-50-5)
- (3aR,6aS)-tert-Butyl 6-benzylhexahydropyrrolo[2,3-b]pyrrole-1(2H)-carboxylate (CAS 1260587-63-0)
- 1-(3-Bromopropoxy)-2,4-dichlorobenzene (CAS 6954-78-5)
- Vasonatrin Peptide (VNP) trifluoroacetate salt (CAS 141676-35-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com