2-Methoxy-8,9-dihydro-5H-benzo[7]annulen-6(7H)-one CAS 40463-28-3
| CAS No. | 40463-28-3 |
| Molecular Formula | C12H14O2 |
| Molecular Weight | 190.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methoxy-8,9-dihydro-5H-benzo[7]annulen-6(7H)-one (CAS 40463-28-3) is a high-purity analytical reference standard with the molecular formula C12H14O2 and a molecular weight of 190.24 g/mol.
2-Methoxy-8,9-dihydro-5H-benzo[7]annulen-6(7H)-one (C12H14O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 2-Methoxy-8,9-dihydro-5H-benzo[7]annulen-6(7H)-one 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 | 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.) | 1968 |
Related Methoxy Standards
- 1-Methoxy-8,9-dihydro-5H-benzo[7]annulen-7(6H)-one (CAS 1022957-91-0)
- 2-Benzyl-3-methoxy-2,5-dihydrofuran (CAS 1031388-02-9)
- 5-Methoxy-6-methyl-3,4-dihydronaphthalen-1(2H)-one (CAS 1093296-24-2)
- 4-methoxy-2-propyl-1H-1,3-benzodiazole (CAS 110534-24-2)
- 2-(4-Methoxy-1H-indol-1-yl)ethan-1-amine (CAS 1146290-76-7)
- 2-(5-Methoxy-1H-indol-1-yl)ethan-1-amine (CAS 120194-93-6)
- 7-Methoxy-1-methyl-2-tetralone (CAS 1204-23-5)
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Recommended Standards
- 2-Methoxy-6,7,8,9-tetrahydrobenzocyclohepten-5-one (CAS 6500-65-8)
- 2-methyl-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid (CAS 70335-56-7)
- 2-Isopropylchroman-4-one (CAS 42327-22-0)
- 2-Methyl-1-phenylcyclobutane-1-carboxylic acid (CAS 633317-67-6)
- n-(4-Cyanobenzyl)-2-methoxy-N-methylacetamide (CAS 1240910-07-9)
- 1-(4,6-Dimethoxypyrimidin-2-yl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 190954-81-5)
- 4-Methyl-2-(oxazol-5-yl)phenol (CAS 2379322-27-5)
- 5-(Chloromethyl)-1-isopropyl-1H-imidazole (CAS 776290-49-4)
- Methylcycloheptane (CAS 4126-78-7)
- 1-(4-chloro-3-(trifluoromethyl)phenyl)-3-((3-(4-fluorophenyl)-4-oxoquinazolin-2-yl)methyl)urea (CAS 330796-24-2)
- Ketorolac Impurity 54 (CAS CATO-C4X-166954)
- 3-(2-oxo-1,3-oxazolidin-3-yl)propanethioamide (CAS 127914-07-2)
- 3-Acetylcyclobutane-1-carboxylic acid (CAS 90049-68-6)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
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