6-(4-Chlorophenyl)-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid CAS 36991-86-3
| CAS No. | 36991-86-3 |
| Molecular Formula | C15H9ClN2O3 |
| Molecular Weight | 300.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
6-(4-Chlorophenyl)-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid (CAS 36991-86-3) is a high-purity analytical reference standard with the molecular formula C15H9ClN2O3 and a molecular weight of 300.70 g/mol.
6-(4-Chlorophenyl)-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid (C15H9ClN2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 6-(4-Chlorophenyl)-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid 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 | C15H9ClN2O3 |
| Molecular Weight | 300.70 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 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 6-(4-Chlorophenyl)-[1,3]dioxolo[4,5-g]quinazolin-8(5H)-one (CAS 656833-96-4)
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- 5-Chloro-8-(2-nitrophenoxy)quinoline (CAS 400076-99-5)
- 8-(4-Chlorophenyl)-[1,3]dioxolo[4,5-g]phthalazin-5(6H)-one (CAS 656834-03-6)
- (But-3-en-1-yl)(pentyl)amine (CAS 1339032-03-9)
- 4,4'-Bis(3,4-dichlorophenyl)-2,2'-bithiazole (CAS 328070-01-5)
- 4-Bromo-2-fluoro-5-iodotoluene (CAS 202865-74-5)
- Encorafenib Impurity 6 (CAS CATO-C4X-32496)
- 4-((2,5-Dimethoxyphenyl)amino)-4-oxobut-2-enoic acid (CAS 284488-69-3)
- 3-[4-(4-Fluorophenyl)piperazine-1-carbonyl]-5-methyl-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazolin-12-one (CAS 1775471-99-2)
- 5-(Bromomethyl)-2,4-difluorobenzonitrile (CAS 1379361-23-5)
- 1-Benzyl-3-butyl-1H-imidazol-3-ium bromide (CAS 642096-86-4)
- 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonitrile (CAS 21486-28-2)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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