1-Ethynyl-4-methoxynaphthalene CAS 61639-32-5
| CAS No. | 61639-32-5 |
| Molecular Formula | C13H10O |
| Molecular Weight | 182.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 182.22 g/mol gives 1-Ethynyl-4-methoxynaphthalene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Ethynyl-4-methoxynaphthalene (CAS 61639-32-5) is a high-purity analytical reference standard with the molecular formula C13H10O and a molecular weight of 182.22 g/mol.
Owing to a hydroxyl group, an ether linkage, an aromatic ring system, 1-Ethynyl-4-methoxynaphthalene is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 182.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 1-Ethynyl-4-methoxynaphthalene 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 | C13H10O |
| Molecular Weight | 182.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
Related Ethynyl Standards
- 2-Ethynyl-7-methoxynaphthalene (CAS 144269-93-2)
- 6-Ethynyl-N-methylquinolin-2-amine (CAS 1956354-68-9)
- 1-Benzyl-4-ethynyl-1H-pyrazole (CAS 905751-62-4)
- 1-Ethynyl-2-methoxynaphthalene (CAS 917894-85-0)
- 8-Ethynyl-1,4-dioxaspiro[4.5]decan-8-ol (CAS 70097-74-4)
- 4-Ethynyl-2,2-difluoro-2H-1,3-benzodioxole (CAS 1408074-62-3)
- 5-Ethynyl-2,2-difluorobenzo[d][1,3]dioxole (CAS 1551182-90-1)
- 4-Ethynyl-2,5-difluorobenzoic acid (CAS 2490398-41-7)
Recommended Standards
- 1-Ethynylcyclohexyl methyl carbonate (CAS 61699-43-2)
- 1-ethenyl-2-oxabicyclo[2.2.2]octane-4-carboxylic acid (CAS 340023-04-3)
- 1-Isobutyl-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 725746-95-2)
- 1-Cyclopropyl-1H-indole-5-carbonitrile (CAS 256936-19-3)
- 5-Bromo-2-methyl-n-(3-methylpyridin-4-yl)thiophene-3-sulfonamide (CAS 1423472-17-6)
- 1-(3-amino-4-chlorophenyl)propan-1-one (CAS 56721-09-6)
- (4-(Pyridin-4-yl)tetrahydro-2H-pyran-4-yl)methanamine (CAS 1402232-53-4)
- Phthalide (CAS 27355-22-2)
- 6-Amino-5-ethyl-2-(piperazin-1-yl)pyrimidin-4(3h)-one (CAS 1341838-55-8)
- Zinc(II) Dibutyldithiocarbamate (CAS 136-23-2)
- Sodium 2-pyrrolidin-1-yl-1,3-thiazole-4-carboxylate (CAS 921076-45-1)
- 6-Chloro-6-heptenoic acid (CAS 731773-28-7)
- (2R,4R)-3-Acetyl-2-phenyl-1,3-thiazolidine-4-carboxylic acid (CAS 294845-27-5)
- Peptide Impurity 05 (CAS 2322924-83-2)
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