(E)-2-Phenylbut-2-enoic acid CAS 20432-26-2
| CAS No. | 20432-26-2 |
| Molecular Formula | C10H10O2 |
| Molecular Weight | 162.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (E)-2-Phenylbut-2-enoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(E)-2-Phenylbut-2-enoic acid (CAS 20432-26-2), molecular formula C10H10O2 and molecular weight 162.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-2-Phenylbut-2-enoic acid (C10H10O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 162.19 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C10H10O2 |
| Molecular Weight | 162.19 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.) | 1962 |
Related E Standards
- 3-Phenylbut-2-enoic acid (CAS 1199-20-8)
- (E)-3-Phenylbut-2-enoic acid (CAS 704-80-3)
- (E)-4-Phenylbut-2-enoic acid (CAS 60341-39-1)
- (Z)-2-phenylbut-2-enoic acid (CAS 3127-67-1)
- (Z)-4-Phenylbut-3-enoic acid (CAS 59744-46-6)
- 2-phenylbut-3-enoic acid (CAS 30953-25-4)
- 4-Phenylbut-2-enoic acid (CAS 2243-52-9)
- 4-Phenylbut-3-enoic acid (CAS 2243-53-0)
Recommended Standards
- (E)-2-Methoxycinnamaldehyde (CAS 60125-24-8)
- (E)-3-(3-Methoxyphenyl)acrylaldehyde (CAS 56578-36-0)
- (E)-2-(Prop-1-en-1-yl)benzoic acid (CAS 68692-67-1)
- (E)-3-(p-Tolyl)acrylic acid (CAS 940-61-4)
- 2-Bromo-6-(trifluoromethoxy)pyridine (CAS 1221172-10-6)
- 6-Chloro-3-nitro-2-styrylimidazo[1,2-a]pyridine (CAS 62195-20-4)
- tert-butyl (3S)-3-hydroxyazepane-1-carboxylate (CAS 1493732-95-8)
- 2-Methyl-3-morpholino-N-(3-phenylisoxazol-5-yl)propanamide (CAS 86683-57-0)
- 1-(2-Ethylphenyl)-1H-pyrrole-2,5-dione (CAS 91569-16-3)
- 6-Methyl-1H-pyrrolo[2,3-b]pyridin-4-amine hydrochloride (CAS 1190320-03-6)
- 2-Chloro-3-(difluoromethoxy)-4'-(trifluoromethoxy)-1,1'-biphenyl (CAS 1261865-89-7)
- Dinonyl terephthalate (CAS 4654-27-7)
- 5-[(4-Ethoxy-phenyl)-methyl-sulfamoyl]-2-methyl-benzoic acid (CAS 379254-80-5)
- Neuropeptide VF (124-131) (human) (CAS 311309-27-0)
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