3-(4-Ethylphenyl)prop-2-ynoic acid CAS 1181615-23-5
| CAS No. | 1181615-23-5 |
| Molecular Formula | C11H10O2 |
| Molecular Weight | 174.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Ethylphenyl)prop-2-ynoic acid (CAS 1181615-23-5), molecular formula C11H10O2 and molecular weight 174.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H10O2, 3-(4-Ethylphenyl)prop-2-ynoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 174.20 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.
CATO manufactures 3-(4-Ethylphenyl)prop-2-ynoic 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.
Physical & Chemical Properties
| Molecular Formula | C11H10O2 |
| Molecular Weight | 174.20 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Ethylphenyl Standards
- 5-(4-Ethylphenyl)-2h-1,2,3,4-tetrazole (CAS 460363-76-2)
- 2-(4-Ethylphenyl)-2-(methylamino)acetonitrile (CAS 1018281-34-9)
- 4-(4-Ethylphenyl)but-3-en-2-one (CAS 114498-65-6)
- 4-(2-Ethylphenyl)but-3-en-2-one (CAS 1344813-73-5)
- 2-(3-Ethylphenyl)-4,5-dihydro-1H-imidazole (CAS 266317-44-6)
- 3-(4-Ethylphenyl)-3-oxopropanenitrile (CAS 96220-15-4)
- 4-(4-Ethylphenyl)oxazole (CAS 54289-72-4)
- 3-(2-Ethylphenyl)-3-hydroxypropanenitrile (CAS 1512740-82-7)
Recommended Standards
- 2-Methyl-4-oxo-4-(pyridin-3-yl)butanenitrile (CAS 1181313-78-9)
- 6-(1-Methyl-1h-pyrazol-4-yl)pyridin-2-amine (CAS 1183196-80-6)
- 1-(pyridin-4-ylmethyl)-1h-imidaZol-2-amine (CAS 1179633-86-3)
- Methyl N-(3-aminopropanoyl)-N-methylglycinate (CAS 1183864-21-2)
- N4-(2-(dimethylamino)ethyl)pyridine-3,4-diamine (CAS 90770-66-4)
- 2-Methyl-5-(methylaminomethyl)pyrazole-3-carbonitrile (CAS 1454852-76-6)
- 3-(((Benzyloxy)carbonyl)amino)-1h-pyrazole-5-carboxylic acid (CAS 1347231-83-7)
- (2S)-2-(2-cyclohexylphenyl)pyrrolidine (CAS 1213323-40-0)
- 3,5-Dibromo-2,6-dimethylpyridin-4-amine (CAS 193690-72-1)
- 2-(4-Fluorophenyl)-2-(piperidin-1-yl)acetic acid hydrochloride (CAS 1260641-65-3)
- (+)-Lycopsamine Hydrochloride (CAS 480-83-1)
- 5-(Furan-2-yl)-4-(4-methoxyphenyl)-4h-1,2,4-triazole-3-thiol (CAS 60870-42-0)
- 6-Bromo-1,3,3-trimethyl-1,3-dihydro-2H-pyrrolo[3,2-b]pyridin-2-one (CAS 1650546-56-7)
- Tau Peptide (306-317) trifluoroacetate salt (CAS 1003007-59-7)
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