(E)-4-(3-(4-Chlorophenyl)-3-oxoprop-1-en-1-yl)benzoic acid CAS 525596-98-9
| CAS No. | 525596-98-9 |
| Molecular Formula | C16H11ClO3 |
| Molecular Weight | 286.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (E)-4-(3-(4-Chlorophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (C16H11ClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system. 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 286.71 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(E)-4-(3-(4-Chlorophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 525596-98-9), molecular formula C16H11ClO3 and molecular weight 286.71 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.
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 | C16H11ClO3 |
| Molecular Weight | 286.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
Related E Standards
- 2-(3-Chlorophenyl)-6,7-dihydro-1H-[1,4]dioxino[2',3':4,5]benzo[1,2-d]imidazole (CAS 1097819-40-3)
- 3-(4-Chlorophenyl)-2-(4-nitrophenyl)propanenitrile (CAS 1254177-53-1)
- 2-(2-(4-Chlorophenyl)imidazo[1,2-a]pyridin-3-yl)acetic acid (CAS 17745-06-1)
- (2E)-2-[2-(2-Chlorophenyl)hydrazin-1-ylidene]-3-oxo-3-phenylpropanal (CAS 339279-47-9)
- (2E)-3-(4-Chlorophenyl)-3-oxo-2-(2-phenylhydrazin-1-ylidene)propanal (CAS 337512-10-4)
- (4-Chlorophenyl)(6-methoxybenzofuran-2-yl)methanone (CAS 82158-47-2)
- (E)-4-(3-(2-Chlorophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 2651958-64-2)
- (E)-4-(3-(3-Chlorophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 2651958-61-9)
Recommended Standards
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- (R)-Oxazepam (CAS 52432-54-9)
- (5-Chlorobenzofuran-2-yl)(4-methoxyphenyl)methanone (CAS 220526-76-1)
- (S)-Oxazepam (CAS 40762-00-3)
- N-methyl-N-[(1-methyl-1H-benzimidazol-2-yl)methyl]amine,HCl (CAS 137898-62-5)
- N-((4-bromonaphthalen-1-yl)methyl)-2-methylpropan-2-amine (CAS 1394023-46-1)
- 1-(3-Mesitylisoxazol-5-yl)ethanone (CAS 77987-98-5)
- Deoxyvasicinone (CAS 530-53-0)
- 2-Amino-3,4-dihydro-2H-naphthalen-1-one HCl (CAS 6298-95-9)
- 2-[(3-cyano-4-methyl-6-oxo-1,6-dihydropyridin-2-yl)sulfanyl]acetic acid (CAS 134616-73-2)
- 1-Butyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1488423-70-6)
- 1-(2-Fluorocyclobutyl)ethan-1-ol (CAS 2169622-88-0)
- (E)-4-(Allyloxy)-4-oxobut-2-enoic acid (CAS 55464-76-1)
- Polyphemusin II-Derived Peptide (CAS 229030-20-0)
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