3-Ethynyl-4-methylphenol CAS 1861287-33-3
| CAS No. | 1861287-33-3 |
| Molecular Formula | C9H8O |
| Molecular Weight | 132.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 132.16 g/mol gives 3-Ethynyl-4-methylphenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Ethynyl-4-methylphenol (CAS 1861287-33-3), a certified reference material (molecular formula C9H8O, MW 132.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H8O, 3-Ethynyl-4-methylphenol contains 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 132.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-Ethynyl-4-methylphenol 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 | C9H8O |
| Molecular Weight | 132.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | 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.) | 1995 |
Related Ethynyl Standards
- 5-Ethynyl-N-methylpyridin-2-amine (CAS 1056186-07-2)
- 5-Ethynyl-2-methylpyridin-3-amine (CAS 1211537-42-6)
- 2-Ethynyl-3,5-dimethylpyrazine (CAS 1374115-63-5)
- 2-Ethynyl-5-methylpyridin-3-amine (CAS 1394319-72-2)
- 2-Ethynyl-N-methylpyridin-4-amine (CAS 1565430-52-5)
- 6-Ethynyl-4-methylpyridin-2-amine (CAS 1582754-31-1)
- 5-Ethynyl-4-methylpyridin-2-amine (CAS 179555-05-6)
- 2-Ethynyl-5-methylphenol (CAS 1822650-88-3)
Recommended Standards
- 5-Ethynyl-3-methylpyridin-2-amine (CAS 1858359-17-7)
- 3-Amino-5-methylbenzonitrile (CAS 186551-97-3)
- 2-Amino-3-(ethylamino)propanoic acid (CAS 18507-25-0)
- Cyanamide, n-methyl-n-phenyl- (CAS 18773-77-8)
- 2-(2-(2-((4-Nitrobenzyl)oxy)ethoxy)ethoxy)ethanol (CAS 158792-37-1)
- (R)-4-(4-(benzyloxy)phenyl)-1-(1-phenylethyl)-1,2,3,6-tetrahydropyridine (CAS 257928-43-1)
- 2-(4-Chlorophenyl)-N-((5-(thiophene-3-carbonyl)thiophen-2-yl)methyl)acetamide (CAS 1797600-68-0)
- cis-5-Fluoro-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester (CAS 2305079-84-7)
- Tert-butyl (R)-(3-(hydroxymethyl)tetrahydrofuran-3-yl)carbamate (CAS 2165659-85-6)
- N-(3-Hydroxypropyl)piperidine-3-carboxamide (CAS 496057-59-1)
- 2-(((1-(tert-Butoxycarbonyl)pyrrolidin-2-yl)methyl)(cyclopropyl)amino)acetic acid (CAS 1353943-56-2)
- 1,3-Diphenylbenzo[f]quinoline (CAS 3837-42-1)
- 3-(2-Methoxy-phenylcarbamoyl)-bicyclo[2.2.1]hept-5-ene-2-carboxylic acid 3-(2-methoxy-phenylcarbamoyl)-bicyclo[ 61894-11-9 (CAS 61894-11-9)
- Peptide Impurity 64 (CAS CATO-CPTD788964)
Why CATO?
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