N'-(2,4-Dichlorobenzoyl)-1-ethyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carbohydrazide CAS 302904-34-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 302904-34-3 |
| Molecular Formula | C19H15Cl2N3O4 |
| Molecular Weight | 420.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N'-(2,4-Dichlorobenzoyl)-1-ethyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carbohydrazide (CAS 302904-34-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H15Cl2N3O4. Molecular weight: 420.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H15Cl2N3O4 |
| Molecular Weight | 420.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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 | 3 |
Related N Standards
- 4-[5-(3,4-Dichlorobenzoyl)-3-(pyridin-2-yl)thiophen-2-yl]morpholine (CAS 339023-23-3)
- 2-(4-(2,4-Dichlorobenzoyl)-1-oxa-4,8-diazaspiro[4.5]Decan-8-yl)pyrimidine-5-carbonitrile (CAS 400086-93-3)
- 5-(2,4-Dichlorobenzoyl)-N-(3,4-dichlorophenyl)-1,3-thiazol-2-amine (CAS 339023-15-3)
- 5-(3,4-Dichlorobenzoyl)-N-(3,4-dichlorophenyl)-1,3-thiazol-2-amine (CAS 339023-11-9)
- 3-(2,4-Dichlorobenzoyl)-5-(4-hydroxy-3-methoxybenzylidene)-2-thioxoimidazolidin-4-one (CAS 554423-02-8)
- 5-(2,4-Dichlorobenzoyl)-7-(trifluoromethyl)-1H,2H,3H,3aH,4H,5H-pyrrolo[1,2-a]quinoxaline (CAS 861206-93-1)
- (E)-4-((5-((((2,4-dichlorobenzoyl)oxy)imino)methyl)pyridin-2-yl)oxy)benzonitrile (CAS 339014-84-5)
- 2-(2,4-Dichlorobenzoyl)-3-phenoxy-5-(trifluoromethyl)pyridine (CAS 306977-33-3)
Recommended Standards
- 1-(2,4-Dichlorophenyl)-4-methyl-5-(4-nitrophenyl)-1H-pyrazole-3-carboxylic Acid Ethyl Ester (CAS 221385-24-6)
- 2-(Benzo[d][1,3]dioxol-5-yl)-3-((4-bromophenyl)amino)-1H-inden-1-one (CAS 1023875-63-9)
- Nintedanib Impurity 145 (CAS CATO-C4X-1814145)
- 2-(Methoxymethyl)benzene-1-sulfonyl chloride (CAS 1239575-08-6)
- 3,4-Bis[4-(4,4,4-trifluoro-3-oxo-butanoyl)phenyl]benzenesulfonyl chloride (CAS 525560-81-0)
- 4-Bromo-3-nitropyridine-5-carbonyl chloride (CAS 1805113-35-2)
- Brexpiprazole Impurity N19 (CAS 2059942-14-0)
- 4-(4,6-Diamino-2,2-dimethyl-1,3,5-triazin-1(2H)-yl)benzamide (CAS 87871-34-9)
- 3-Amino-2-fluoro-4-(trifluoromethoxy)phenol (CAS 1803739-58-3)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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