N-(5-Benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-3-chlorobenzenecarboxamide CAS 339009-29-9
| CAS No. | 339009-29-9 |
| Molecular Formula | C20H14ClNO4 |
| Molecular Weight | 367.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, N-(5-Benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-3-chlorobenzenecarboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 367.78 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
N-(5-Benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-3-chlorobenzenecarboxamide (CAS 339009-29-9), molecular formula C20H14ClNO4 and molecular weight 367.78 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures N-(5-Benzoyl-6-methyl-2-oxo-2H-pyran-3-yl)-3-chlorobenzenecarboxamide 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 | C20H14ClNO4 |
| Molecular Weight | 367.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5-[(4-Chlorophenyl)sulfanyl]-3-phenyl-6-(trifluoromethyl)-1,2,4-triazine (CAS 383148-38-7)
- 4-[(4-Chlorophenyl)sulfanyl]-2-(pyridin-2-yl)-6-(trifluoromethyl)pyrimidine (CAS 338418-08-9)
- Quincarbate (CAS 54340-59-9)
- 4-(4-(2-Chloro-5-nitrophenyl)buta-1,3-dien-1-yl)benzene-1-sulfonyl fluoride (CAS 31368-34-0)
- 2-(1-(Thiophen-2-ylmethyl)piperazin-2-yl)ethanol 1201633-50-2 (CAS 1201633-50-2)
- 1-(Bromomethyl)-1-(methoxymethyl)cyclohexane (CAS 1482057-87-3)
- 5-Nitropyridine-2-carbonyl chloride (CAS 59290-88-9)
- Methyl 2-[(2E)-3-(3-nitrophenyl)prop-2-enamido]acetate (CAS 1020252-63-4)
- 2-(3-(Propylthio)phenyl)ethan-1-ol (CAS 1379246-86-2)
- 2-Methyl-2-p-tolyl-propylamine (CAS 786602-39-9)
- (S)-(+)-1-(2-Pyrrolidinylmethyl)pyrrolidine (S)-1-(pyrrolidin-2-ylmethyl)pyrrolidine 51207-66-0 A7566 (CAS 51207-66-0)
- (1-(4-Fluorobenzyl)-1h-imidazol-5-yl)methanamine hydrochloride (CAS 1439900-30-7)
- 6-Chloropyridine-2,5-dicarboxylic acid (CAS 1251953-02-2)
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
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