N-(6-(4-chlorophenyl)-2-oxo-2H-pyran-3-yl)benzamide CAS 338747-81-2
| CAS No. | 338747-81-2 |
| Molecular Formula | C18H12ClNO3 |
| Molecular Weight | 325.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N-(6-(4-chlorophenyl)-2-oxo-2H-pyran-3-yl)benzamide (C18H12ClNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 325.75 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
N-(6-(4-chlorophenyl)-2-oxo-2H-pyran-3-yl)benzamide (CAS 338747-81-2), molecular formula C18H12ClNO3 and molecular weight 325.75 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.
As a certified reference material (CRM), N-(6-(4-chlorophenyl)-2-oxo-2H-pyran-3-yl)benzamide 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 | C18H12ClNO3 |
| Molecular Weight | 325.75 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related N Standards
- 4'-(4-Chlorophenyl)-5'-cyano-2'-oxo-1,1',2,2',3',4'-hexahydro-[1,3'-bipyridin]-1-ium-6'-olate (CAS 133828-97-4)
- 1-(3-Chlorophenyl)-3-(2-(pyridin-3-yl)pyrimidin-4-yl)urea (CAS 866143-32-0)
- 1-(3-Chlorophenyl)-4-oxo-n-phenyl-1,4-dihydropyridazine-3-carboxamide (CAS 478063-42-2)
- 1-(4-Chlorophenyl)-2-oxo-1,2,4,5-tetrahydro-3H-pyrimido[5,4-b]indole-3-carbaldehyde (CAS 811795-24-1)
- 1-(4-Chlorophenyl)-4-oxo-N-phenyl-1,4-dihydropyridazine-3-carboxamide (CAS 478063-44-4)
- 6-((3-Chlorophenyl)amino)-[2,3'-bipyridine]-5-carboxylic acid (CAS 71204-02-9)
- 6-((4-Chlorophenyl)amino)-[2,3'-bipyridine]-5-carboxylic acid (CAS 71204-01-8)
- N-(3-Chlorophenyl)-2-(1H-imidazole-2-carbonyl)benzamide (CAS 62367-02-6)
Recommended Standards
- N-(4-Chlorophenyl)-2-(1H-imidazole-2-carbonyl)benzamide (CAS 62366-98-7)
- 36916-20-8 4-(2-Benzoyl-4-chlorophenyl)-5-methyl-4H-1,2,4-triazole-3-carboxaldehyde 5-Chloro-2-(3-formyl-5-methyl-4H-1,2,4-triazol-4-yl)benzophenone (CAS 36916-20-8)
- N-(4-Chlorobenzoyl)-6-quinolinecarbohydrazide (CAS 866018-93-1)
- Lenvatinib Impurity 164 (CAS CATO-C4X-1140164)
- 1-(1-Benzyl-1h-benzo[d]imidazol-2-yl)ethan-1-one (CAS 56653-41-9)
- (Z)-3-(3-Chloro-2-fluorophenyl)-2-(4-chloro-2-fluorophenyl)-2-propenenitrile (CAS 1219086-87-9)
- 2-(4-(2,4-Difluorophenoxy)-2-oxopyridin-1(2H)-yl)-4-methyl-N-(1-methyl-1H-pyrazol-3-yl)pentanamide (CAS 1262239-23-5)
- 6,6'-(((2,2-Dimethylpropane-1,3-diyl)bis(oxy))bis(carbonyl))bis(cyclohex-3-ene-1-carboxylic acid) (CAS 41026-17-9)
- 4-((4-(1-Propyl-1H-pyrrolo[2,3-b]pyridin-3-yl)pyrimidin-2-yl)amino)benzenesulfonamide (CAS 1225585-03-4)
- 6-Methyl-2,3-dihydro-1H-pyrrolizine (CAS 126134-92-7)
- 4,6-Dimethylheptan-2-ol (CAS 51079-52-8)
- 5-methoxy-4-(methoxymethoxy)-2-nitrobenzoic acid (CAS 1461714-49-7)
- 2-(benzyloxy)-N-methylaniline (CAS 144879-44-7)
- D-Ser32-Tirzepatide (CAS CATO-CPTD788692)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com