(2E)-3-[4-(2-Chlorophenoxy)-3-nitrophenyl]prop-2-enoic acid CAS 338403-65-9
| CAS No. | 338403-65-9 |
| Molecular Formula | C15H10ClNO5 |
| Molecular Weight | 319.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2E)-3-[4-(2-Chlorophenoxy)-3-nitrophenyl]prop-2-enoic acid 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.
(2E)-3-[4-(2-Chlorophenoxy)-3-nitrophenyl]prop-2-enoic acid (CAS 338403-65-9), molecular formula C15H10ClNO5 and molecular weight 319.70 g/mol, is a CATO reference standard with documented purity and traceability.
(2E)-3-[4-(2-Chlorophenoxy)-3-nitrophenyl]prop-2-enoic acid (C15H10ClNO5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H10ClNO5 |
| Molecular Weight | 319.70 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
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- 4-((4-(2-Chlorophenoxy)phenyl)amino)-4-oxobutanoic acid (CAS 667446-82-4)
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Recommended Standards
- 2-Chloro-4-nitrophenyl-alpha-L-fucopyranoside (CAS 157843-41-9)
- (E)-[(3-Nitrophenyl)methylidene]amino N-(3-chlorophenyl)carbamate (CAS 303987-33-9)
- Stearic-D35 Acid (CAS 17660-51-4)
- 6-(Dimethoxymethyl)-5-(trifluoromethyl)pyridine-3-sulfonyl chloride (CAS 2851879-18-8)
- 4-(oxan-4-yl)phenol (CAS 62071-41-4)
- 2'-Deoxyuridine-5'-triphosphate Trisodium Salt (CAS 102814-08-4)
- (4-Nitrophenyl)methanesulfonic Acid (CAS 53992-33-9)
- 5-(Pyridin-3-yl)-1h-pyrazole-4-carboxylic acid (CAS 1152539-87-1)
- (4-Butylphenyl)difluoroacetic acid (CAS 1027514-10-8)
- tert-Butyl (2-methyl-5-nitropyridin-3-yl)carbamate (CAS 1008139-18-1)
- (1s,3R,4S)-3,4-Dimethoxycyclopentan-1-amine (CAS 337361-68-9)
- 4-Bromo-2H-benzo[h]chromen-2-one (CAS 2097816-01-6)
- 2-(((tert-Butyldimethylsilyl)oxy)methyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-6-(trifluoromethyl)pyridine (CAS 2760431-07-8)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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