(2Z)-7-(4-Chlorophenoxy)-2-[(4-methylphenyl)methylidene]-3-phenyl-2,3-dihydro-1H-inden-1-one CAS 337921-25-2
| CAS No. | 337921-25-2 |
| Molecular Formula | C29H21ClO2 |
| Molecular Weight | 436.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (2Z)-7-(4-Chlorophenoxy)-2-[(4-methylphenyl)methylidene]-3-phenyl-2,3-dihydro-1H-inden-1-one (C29H21ClO2) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 436.93 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.
CATO supplies (2Z)-7-(4-Chlorophenoxy)-2-[(4-methylphenyl)methylidene]-3-phenyl-2,3-dihydro-1H-inden-1-one (CAS 337921-25-2), a certified reference material (molecular formula C29H21ClO2, MW 436.93 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C29H21ClO2 |
| Molecular Weight | 436.93 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
Related Z Standards
- 2-[(4-chlorophenoxy)methyl]-5-[3-(2,6-dichlorophenyl)-5-methyl-4-isoxazolyl]-1,3,4-oxadiazole 400080-27-5 KS-000035BY (CAS 400080-27-5)
- 4-(4-Chlorophenoxy)-6-(((4-chlorophenyl)thio)methyl)-2-phenylpyrimidine (CAS 303147-12-8)
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- [4-(4-Chlorophenoxy)-3-nitrophenyl]methyl N-(3-chlorophenyl)carbamate (CAS 339279-24-2)
- N-(4-(4-Chlorophenoxy)phenyl)-1-(3,4-dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 890887-23-7)
- ((4-(2-Chlorophenoxy)phenyl)sulfonyl)phenylalanine (CAS 1009715-73-4)
- N-(3-(3-chlorophenoxy)-5-nitrophenyl)-2-(5-methyl-3-nitro-1H-pyrazol-1-yl)acetamide (CAS 321142-91-0)
- 5-(3-Chlorophenoxy)-N-(2,4-difluorophenyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 158712-62-0)
Recommended Standards
- N-[3-[[4-(Chloromethyl)benzoyl]amino][1,1-biphenyl]-4-yl]carbamic Acid tert-Butyl Ester (CAS 1003316-10-6)
- Amlodipine Impurity 42 (CAS 158151-92-9)
- N-(5-Chloro-2-methoxyphenyl)-2-((4-cyano-3-methylbenzo[4,5]imidazo[1,2-a]pyridin-1-yl)thio)acetamide (CAS 868357-74-8)
- Amlodipine Impurity 43 (CAS CATO-C4X-109543)
- 4-{2-[(4-Fluorobenzyl)oxy]ethyl}piperidinehydrochloride (CAS 1219967-84-6)
- 1',3'-dimethyl-1-phenyl-1h,1'h-3,4'-bipyraZole-4-carbaldehyde (CAS 1004451-72-2)
- 2-Benzyl-6-methoxy-2,3-dihydroisoquinolin-4(1H)-one (CAS 1823815-38-8)
- 3-Iodo-2-phenyl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole (CAS 1338582-28-7)
- 1-(2-Methoxyethyl)-2-methyl-1H-benzo[d]imidazole (CAS 444995-61-3)
- (2,4-Difluoro-5-formylphenyl)boronic acid (CAS 1413393-42-6)
- Cilastatin (CAS 82009-34-5)
- Phenyl-d (CAS 83286-56-0)
- 5-Bromo-N-cyclohexyl-3-methyl-2-pyridinamine (CAS 1219976-24-5)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
Why CATO?
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