Hexyl 7-(diethylamino)-2-oxo-2H-chromene-3-carboxylate CAS 851963-03-6
| CAS No. | 851963-03-6 |
| Molecular Formula | C20H27NO4 |
| Molecular Weight | 345.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Hexyl 7-(diethylamino)-2-oxo-2H-chromene-3-carboxylate (CAS 851963-03-6), molecular formula C20H27NO4 and molecular weight 345.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Hexyl 7-(diethylamino)-2-oxo-2H-chromene-3-carboxylate (C20H27NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 345.43 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Hexyl 7-(diethylamino)-2-oxo-2H-chromene-3-carboxylate 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 | C20H27NO4 |
| Molecular Weight | 345.43 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Hexyl Standards
- 2-[(3-Hexyl-4,8-dimethyl-2-oxo-2H-chromen-7-yl)-oxy]propanoic acid (CAS 438030-17-2)
- 2-(Hexyl(5-(piperidin-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)amino)ethanol (CAS 100557-07-1)
- 7-Hexyl-3-methyl-8-(3-methylpiperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione (CAS 577791-66-3)
- Hexyl 2-hydroxy-5-iodobenzoate (CAS 15125-93-6)
- (R)-2-hexyl-6-iodo-1,2,3,4-tetrahydronaphthalene (CAS 1622180-63-5)
- 1-Hexyl-4-oxo-2-phenyl-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-03-0)
- 7-Hexyl-8-((2-hydroxypropyl)thio)-3-methyl-3,7-dihydro-1H-purine-2,6-dione (CAS 332033-59-7)
- 4''-Hexyl-[1,1':4',1''-terphenyl]-4-carbonitrile (CAS 54211-47-1)
Recommended Standards
- Ethyl 4-[(1-Boc-piperidin-4-ylidene)methyl]benzoate (CAS 726185-65-5)
- Methyl (r)-1'-(3-methoxypropyl)-2'-oxo-3,4-dihydro-1h-spiro[naphthalene-2,3'-piperidine]-6-carboxylate (CAS 2028328-51-8)
- Crisnatol (CAS 96389-68-3)
- Methyl (s)-1'-(3-methoxypropyl)-2'-oxo-3,4-dihydro-1h-spiro[naphthalene-2,3'-piperidine]-6-carboxylate (CAS 2028328-57-4)
- Methyl 8-bromo-1-naphthoate (CAS 38058-95-6)
- 4-[(2-sulfanyl-1H-imidazol-1-yl)methyl]phenol (CAS 95333-64-5)
- Ethyl 4-amino-3-oxobutanoate hydrochloride (CAS 86578-58-7)
- 5-Nitro-2-(pyrazol-1-yl)benzonitrile (CAS 17417-12-8)
- 2-(1-Phenyl-1h-pyrazol-4-yl)cyclopropan-1-amine (CAS 1157139-81-5)
- 1,1-Difluoro-1,3-diphenylpropane (CAS 160751-61-1)
- (R)-2-(2-chloro-3-(trifluoromethyl)phenyl)pyrrolidine (CAS 1212902-02-7)
- 5-Fluoro-2-(trifluoromethyl)cinnamic acid (CAS 1184721-90-1)
- tert-Butyl 3-iodo-5-methoxy-1H-indazole-1-carboxylate (CAS 290368-03-5)
- Acetyl Tetrapeptide-11 (CAS 928006-88-6)
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