4-Oxo-3-(quinolin-2-yl)-4H-chromen-7-yl formate CAS 98458-38-9
| CAS No. | 98458-38-9 |
| Molecular Formula | C19H11NO4 |
| Molecular Weight | 317.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-3-(quinolin-2-yl)-4H-chromen-7-yl formate (CAS 98458-38-9) is a high-purity analytical reference standard with the molecular formula C19H11NO4 and a molecular weight of 317.29 g/mol.
Structurally, 4-Oxo-3-(quinolin-2-yl)-4H-chromen-7-yl formate (C19H11NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 317.29 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).
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 4-Oxo-3-(quinolin-2-yl)-4H-chromen-7-yl formate 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 | C19H11NO4 |
| Molecular Weight | 317.29 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 2-(Quinolin-2-yl)-1-(3-(trifluoromethyl)phenyl)ethan-1-ol (CAS 502625-52-7)
- 2-(Quinolin-2-yl)-1-(4-(trifluoromethyl)phenyl)ethanol (CAS 496947-30-9)
- 2-(Quinolin-4-yl)-1-(4-(trifluoromethyl)phenyl)ethan-1-ol (CAS 493024-38-7)
- Quinolin-8-yl 2,4-dichlorobenzoate (CAS 328022-59-9)
- 7-Methyl-3-(quinolin-2-ylmethoxy)-7,8-dihydroquinolin-5(6H)-one (CAS 123094-60-0)
- 4-[2-(Quinolin-3-yl)-1h-indol-3-yl]butan-1-amine (CAS 556778-31-5)
- 2-(Quinolin-2-yl)-1-(3-(trifluoromethyl)phenyl)ethan-1-one (CAS 849021-38-1)
- 2-(Quinolin-2-yl)-1-(4-(trifluoromethyl)phenyl)ethan-1-one (CAS 283597-72-8)
Recommended Standards
- 4,6-Dichloro-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridine (CAS 881902-80-3)
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- 4-(3,5-dimethoxybenzamido)-2-hydroxybenzoic acid (CAS 710311-03-8)
- 5-(Thiophen-2-yl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 312935-04-9)
- 3’,4’-Dimethoxy-2-hydroxyacetophenone (CAS 37803-48-8)
- 4-Chloro-2-(difluoromethyl)-6-iodo-3-nitropyridine (CAS 1806886-35-0)
- (6-Ethoxynaphthalen-2-yl)methanol (CAS 757230-57-2)
- (Z)-2-((4-chlorophenyl)thio)-1-(2,7-dimethylimidazo[1,2-a]pyridin-3-yl)ethan-1-one O-(4-fluorobenzyl) oxime (CAS 478047-79-9)
- rel-(3R,4R)-1-(tert-Butoxycarbonyl)-4-(cyclopropylmethyl)pyrrolidine-3-carboxylic acid (CAS 2219372-08-2)
- 2-Benzyl-4-chloro-6-methylpyrimidine (CAS 75160-76-8)
- 2-((5-Bromopyridin-3-yl)oxy)-2-phenylethan-1-amine (CAS 1468856-36-1)
- N-(4-fluorophenyl)-7-(6-fluoropyridin-2-yl)-5,6,7,8-tetrahydropyrido[4',3':4,5]thieno[2,3-d]pyrimidin-4-amine (CAS 1272756-46-3)
- 1-(2,6-Difluoro-3-(trifluoromethyl)phenyl)-2,2,2-trifluoroethan-1-one (CAS 2149589-88-6)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
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