N-(4-chlorobenzyl)-6-methoxy-2H-chromene-3-carboxamide CAS 338760-76-2
| CAS No. | 338760-76-2 |
| Molecular Formula | C18H16ClNO3 |
| Molecular Weight | 329.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(4-chlorobenzyl)-6-methoxy-2H-chromene-3-carboxamide.
CATO supplies N-(4-chlorobenzyl)-6-methoxy-2H-chromene-3-carboxamide (CAS 338760-76-2), a certified reference material (molecular formula C18H16ClNO3, MW 329.78 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H16ClNO3, N-(4-chlorobenzyl)-6-methoxy-2H-chromene-3-carboxamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 329.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C18H16ClNO3 |
| Molecular Weight | 329.78 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related N Standards
- Methyl 1-(2-chlorobenzyl)-3,6-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011359-95-7)
- Methyl 1-(4-chlorobenzyl)-3,6-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011370-91-4)
- 1-(4-Chlorobenzyl)-3,6-dimethyl-1h-pyrazolo[3,4-b]pyridine-4-carbohydrazide (CAS 938006-72-5)
- 2-(4-Chlorobenzyl)-4-(3-methoxyphenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860786-23-8)
- N-(2-Chlorobenzyl)-6,7-dimethoxy-4-quinazolinamine (CAS 477860-01-8)
- N-(3-chlorobenzyl)-6,7-dimethoxyquinazolin-4-amine (CAS 477859-86-2)
- N-(4-chlorobenzyl)-6,7-dimethoxyquinazolin-4-amine (CAS 477855-22-4)
- 4-((4-Chlorobenzyl)thio)-6-phenyl-1,3,5-triazin-2(1H)-one (CAS 652154-77-3)
Recommended Standards
- N-Benzyl-2-chloro-6,7-dimethoxyquinazolin-4-amine (CAS 65962-88-1)
- N-(4-chloro-2-methylphenyl)-6,7-dimethoxyquinazolin-4-amine (CAS 477855-18-8)
- Nw-1172 (CAS 911290-20-5)
- (R)-8-(Benzyloxy)-5-(2-chloro-1-hydroxyethyl)quinolin-2(1H)-one (CAS 172967-64-5)
- 1-(6-Hydroxy-5-iodo-2-methylpyridin-3-yl)ethan-1-one (CAS 1407532-80-2)
- 4-{[(3-Bromobenzyl)oxy]methyl}piperidinehydrochloride (CAS 1220034-82-1)
- 2-[N-[2-(Fmoc-amino)ethyl]-2-[2-[[(benzhydryloxy)carbonyl]amino]-6-oxo-1H-purin-9(6H)-yl]acetamido]acetic Acid (CAS 186046-83-3)
- 5-(Trifluoromethyl)-3,3'-bipyridine (CAS 1214364-61-0)
- 7,8-Dihydro-5H-pyrano[4,3-b]pyridin-2-amine (CAS 1260670-91-4)
- 6-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-1-isopropyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 890647-78-6)
- 2-fluoro-4-methoxyphenol (CAS 167683-93-4)
- 3-((2-Aminoethyl)amino)propane-1-sulfonic acid (CAS 14235-54-2)
- tert Butyl 5-chloropyridine-2-carboxylate (CAS 1288988-75-9)
- HA Peptide (CAS 92000-76-5)
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