Ethyl 4-((3-amino-2-oxo-2H-chromen-4-yl)amino)benzoate CAS 313231-50-4
| CAS No. | 313231-50-4 |
| Molecular Formula | C18H16N2O4 |
| Molecular Weight | 324.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 4-((3-amino-2-oxo-2H-chromen-4-yl)amino)benzoate (C18H16N2O4) 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 324.33 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.
Ethyl 4-((3-amino-2-oxo-2H-chromen-4-yl)amino)benzoate (CAS 313231-50-4), molecular formula C18H16N2O4 and molecular weight 324.33 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.
CATO manufactures Ethyl 4-((3-amino-2-oxo-2H-chromen-4-yl)amino)benzoate 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 | C18H16N2O4 |
| Molecular Weight | 324.33 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
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Recommended Standards
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- But-2-yne-1,4-diyl bis(phenylcarbamate) (CAS 21840-67-5)
- Ethyl 4-(benzoyloxy)-3-methylbenzofuran-2-carboxylate (CAS 924976-32-9)
- 4-Bromo-2-(3-methoxyphenyl)thiophene (CAS 1078734-22-1)
- 2-Methyl-6-(p-tolyl)nicotinic acid (CAS 717838-40-9)
- 3-Iodo-2-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-4-ol (CAS 2168559-69-9)
- 2-(Diethoxymethyl)-1,1-diethoxy-3-methylbutane (CAS 30989-71-0)
- (5-(Bis(4-methoxybenzyl)amino)-6-methyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[3,2-b]pyridin-2-yl)methanol (CAS 2891456-84-9)
- 6-((3-(Dimethylamino)propyl)amino)-3,3-dimethyl-8-phenyl-3,4-dihydro-1H-pyrano[3,4-c]pyridine-5-carbonitrile (CAS 371959-62-5)
- 6-bromo-1-methyl-1H-indazol-5-ol (CAS 1403767-19-0)
- 1-Phenylcyclohexane-1,4-diol (CAS 80770-73-6)
- Methyl 6-bromo-1,4-dihydro-3-methoxy-4-oxo-2-pyridinecarboxylate (CAS 2379914-59-5)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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