C09KK5D2T2 20595-45-3 2,4-Dichlorocinnamic acid, (E)- UNII-C09KK5D2T2 3-(2,4-Dichlorophenyl)-2-propenoic acid, (E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (2E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (E)- Cinnamic acid, 2,4-dichloro-, (E)- (2E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)acrylic acid NSC-52174 2,4-Dichlorocinnamic acid, trans- trans-3-(2,4-Dichlorophenyl)-2-propenoic acid trans-2,4-Dichlorocinnamic acid CAS 20595-45-3
| CAS No. | 20595-45-3 |
| Molecular Formula | C9H6Cl2O2 |
| Molecular Weight | 217.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies C09KK5D2T2 20595-45-3 2,4-Dichlorocinnamic acid, (E)- UNII-C09KK5D2T2 3-(2,4-Dichlorophenyl)-2-propenoic acid, (E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (2E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (E)- Cinnamic acid, 2,4-dichloro-, (E)- (2E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)acrylic acid NSC-52174 2,4-Dichlorocinnamic acid, trans- trans-3-(2,4-Dichlorophenyl)-2-propenoic acid trans-2,4-Dichlorocinnamic acid (CAS 20595-45-3), a certified reference material (molecular formula C9H6Cl2O2, MW 217.05 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H6Cl2O2, C09KK5D2T2 20595-45-3 2,4-Dichlorocinnamic acid, (E)- UNII-C09KK5D2T2 3-(2,4-Dichlorophenyl)-2-propenoic acid, (E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (2E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (E)- Cinnamic acid, 2,4-dichloro-, (E)- (2E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)acrylic acid NSC-52174 2,4-Dichlorocinnamic acid, trans- trans-3-(2,4-Dichlorophenyl)-2-propenoic acid trans-2,4-Dichlorocinnamic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.05 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), C09KK5D2T2 20595-45-3 2,4-Dichlorocinnamic acid, (E)- UNII-C09KK5D2T2 3-(2,4-Dichlorophenyl)-2-propenoic acid, (E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (2E)- 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, (E)- Cinnamic acid, 2,4-dichloro-, (E)- (2E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)-2-propenoic acid (E)-3-(2,4-Dichlorophenyl)acrylic acid NSC-52174 2,4-Dichlorocinnamic acid, trans- trans-3-(2,4-Dichlorophenyl)-2-propenoic acid trans-2,4-Dichlorocinnamic 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.
Physical & Chemical Properties
| Molecular Formula | C9H6Cl2O2 |
| Molecular Weight | 217.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
Recommended Standards
- 7,8-Dichloro-3,4-dihydro-2h-1-benzopyran-4-one (CAS 27407-09-6)
- Opicapone impurity 60 (CAS CATO-C4X-240460)
- 6,8-Dichlorochroman-4-one (CAS 49660-60-8)
- Opicapone Impurity 7 (CAS CATO-C4X-24047)
- 2-[2-(2-Phenyladamantan-2-yl)acetamido]ethyl thiophene-2-carboxylate (CAS 400078-88-8)
- 1-(Ethoxymethyl)cyclobutane-1-carboxylic acid (CAS 1387557-17-6)
- 3-Chloro-2-[(1Z)-[2-(2,4-dichlorophenyl)hydrazin-1-ylidene](pyridin-3-yl)methyl]-5-(trifluoromethyl)pyridine (CAS 306977-31-1)
- 1-[4-(trifluoromethyl)phenyl]-1H-pyrazol-4-amine (CAS 1251264-73-9)
- Methyl 2-amino-3-chloro-5-(trifluoromethyl)benzoate (CAS 1806927-85-4)
- (Z)-N-(3-Methylbenzo[d]thiazol-2(3H)-ylidene)-2-((2-oxo-2-(pyrrolidin-1-yl)ethyl)thio)acetamide (CAS 1164549-53-4)
- 5-Bromo-1-ethyl-1H-imidazole (CAS 1429028-32-9)
- Methyl 3-(3-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanoate (CAS 2377607-07-1)
- 3-(p-Tolyl)thiophene (CAS 16939-05-2)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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