2-(Benzo[d][1,3]dioxol-5-yl)-7-methoxy-1-methylquinolin-4(1H)-one CAS 483-52-3
| CAS No. | 483-52-3 |
| Molecular Formula | C18H15NO4 |
| Molecular Weight | 309.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(Benzo[d][1,3]dioxol-5-yl)-7-methoxy-1-methylquinolin-4(1H)-one (C18H15NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 309.32 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-(Benzo[d][1,3]dioxol-5-yl)-7-methoxy-1-methylquinolin-4(1H)-one (CAS 483-52-3), molecular formula C18H15NO4 and molecular weight 309.32 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H15NO4 |
| Molecular Weight | 309.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(5-(3-Methoxyphenyl)-1,2,4-oxadiazol-3-yl)-N-phenylacetamide (CAS 915931-87-2)
- 2,5-Dioxopyrrolidin-1-yl 2,2-diphenylacetate (CAS 226218-61-7)
- 2-(4-(5-(4-Methoxyphenyl)isoxazol-3-yl)phenyl)acetic acid (CAS 78868-42-5)
- 2,6,7-Trimethyl-4-oxo-3-(pyridin-2-yl)-3,4-dihydroquinazoline-8-carboxylic acid (CAS 86542-78-1)
- 2-Methyl-N-(5-methylisoxazol-3-yl)cyclopropane-1-carboxamide (CAS 932877-74-2)
- 5-Thia-6-azaspiro[2.4]heptane 5,5-dioxide (CAS 2287289-73-8)
- Methyl 3-[(6-chloropyridin-2-yl)oxy]thiophene-2-carboxylate (CAS 338756-33-5)
- Methyl 2-({5-[(hydroxyimino)methyl]imidazo[2,1-b][1,3]thiazol-6-yl}sulfanyl)benzenecarboxylate (CAS 338976-19-5)
- 5-(Chloromethyl)-3-((4-nitrophenoxy)methyl)-1,2,4-oxadiazole (CAS 306936-72-1)
- 5-Amino-4-cyano-3-phenylthiophene-2-carboxylic acid ethyl ester (CAS 369654-33-1)
- 2-((2-Isopropyl-4-(trifluoromethyl)-2h-pyrazolo[3,4-b]pyridin-6-yl)thio)acetic acid (CAS 1018046-67-7)
- 5,6-Dichloro-3-hydroxyquinolin-2(1H)-one (CAS 176170-13-1)
- Amorofen EP impurity K HCI (CAS CATO-C4X-154223)
- Peptide YY (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 81858-94-8)
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