(2e)-3-(2,4,5-Trimethylphenyl)prop-2-enoic acid CAS 205748-06-7
| CAS No. | 205748-06-7 |
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 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.
(2e)-3-(2,4,5-Trimethylphenyl)prop-2-enoic acid (CAS 205748-06-7), molecular formula C12H14O2 and molecular weight 190.24 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, (2e)-3-(2,4,5-Trimethylphenyl)prop-2-enoic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2e)-3-(2,4,5-Trimethylphenyl)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.
Physical & Chemical Properties
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
Related e Standards
- 1-(2,4,5-Trimethylphenyl)but-3-en-1-ol (CAS 1378670-27-9)
- 4-(2,4,5-Trimethylphenyl)butan-2-one (CAS 59372-86-0)
- 3-(2,4,5-Trimethylphenyl)azetidin-3-ol (CAS 1478231-25-2)
- (R)-1-(2,4,5-trimethylphenyl)butan-1-amine (CAS 1213048-17-9)
- 4-(2,4,5-Trimethylphenyl)butan-2-ol (CAS 827299-45-6)
- N-(2,4,6-Trimethylphenyl)glycine (CAS 104412-17-1)
- 5-(2,4,6-Trimethylphenyl)-1h-imidazole (CAS 104672-18-6)
- 1-(2,4,5-Trimethylphenyl)-2-thiourea (CAS 117174-87-5)
Recommended Standards
- (2-Aminopyrrolidin-1-yl)(phenyl)methanone (CAS 330842-83-6)
- (2-Ethyl-1-methyl-1H-benzo[d]imidazol-5-yl)methanol (CAS 686257-96-5)
- (2,2-Dimethyl-2H-chromen-6-yl)methanol (CAS 82441-64-3)
- (2-Propyl-1H-benzo[d]imidazol-5-yl)methanol (CAS 68740-39-6)
- Cyclopropyl(2-(trifluoromethoxy)phenyl)methanamine (CAS 1270354-37-4)
- Methyl 2-(4-methoxy-3-nitrophenoxy)acetate (CAS 90923-41-4)
- 1-Methyl-3-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)urea (CAS 1430400-88-6)
- N-Nitroso-Vildagliptin-d3 amide Impurity (CAS CATO-C4X-1100109)
- 3-(4-(5-Methylpyrimidin-4-yl)piperazine-1-carbonyl)-2H-chromen-2-one (CAS 1448054-88-3)
- Nicardipine Impurity 25 (CAS 76258-21-4)
- 4-(Difluoromethyl)-2,5-diiodopyridine-3-sulfonamide (CAS 1804694-43-6)
- Methyl 4-[2-(3-piperidinyl)ethoxy]benzoatehydrochloride (CAS 1220032-14-3)
- ethyl (4-iodophenoxy)acetate (CAS 90794-33-5)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
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