3H-Cyclopenta[c]quinoline-4-carboxylic acid CAS 1008281-60-4
| CAS No. | 1008281-60-4 |
| Molecular Formula | C20H16Cl2N2O3 |
| Molecular Weight | 403.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H16Cl2N2O3, 3H-Cyclopenta[c]quinoline-4-carboxylic acid 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 403.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
3H-Cyclopenta[c]quinoline-4-carboxylic acid (CAS 1008281-60-4), molecular formula C20H16Cl2N2O3 and molecular weight 403.26 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.
CATO manufactures 3H-Cyclopenta[c]quinoline-4-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 | C20H16Cl2N2O3 |
| Molecular Weight | 403.26 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.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related H Standards
- OP-2507 101758-79-6 Cyclopenta[b]pyrrole-2-pentanoic acid, 3,3a,4,5,6,6a-hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-3-(cis-4-propylcyclohexyl)-1-propen-1-yl]-, methylester, (3aR,4R,5R,6aS)-;Cyclopenta[b]pyrrole-2-pentanoic acid, 3,3a,4,5,6,6a-hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-3-(cis-4-propylcyclohexyl)-1-propen-1-yl]-, methylester, (3aR,4R,5R,6aS)- (CAS 101758-79-6)
- 27856-54-8 Cyclopenta[c]pyran-4-carboxylicacid, 1-(b-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-4a,6,7-trihydroxy-7-methyl-,methyl ester, (1S,4aR,6S,7R,7aS)- (CAS 27856-54-8)
- 147059-46-9 8bH-Cyclopenta[b]benzofuran-1,8b-diol,1,2,3,3a-tetrahydro-6,8-dimethoxy-3a-(4-methoxyphenyl)-3-phenyl-,(1R,3S,3aR,8bS)- (CAS 147059-46-9)
- Cyclopenta[c]pyrrol-4(1H)-one (CAS 130658-09-2)
- 3H-Cyclopenta[6,7]cycloocta[2,1-a:3,4-a′]dinaphthalene, 5,7-dihydro-2,8-bis(1-methylethoxy)-, (13bR)- (CAS 1417714-15-8)
- 3H-Cyclopenta[6,7]cycloocta[2,1-a:3,4-a′]dinaphthalene, 5,7-dihydro-, (R)- (CAS 136425-32-6)
- Cyclopenta-1,3-diene-1,2,3-triyltribenzene (CAS 4982-35-8)
- 1,1'-(Cyclopenta-2,4-Dien-1-Ylidenemethanediyl)Bis(4-Methoxybenzene) (CAS 15972-55-1)
Recommended Standards
- Carboplatin Impurity 16 (CAS CATO-C4X-206116)
- 2-({2-[2-(2,4-Dichlorophenoxy)propanoyl]hydrazino}carbonyl)cyclohexanecarboxylic acid (CAS 1217641-97-8)
- 4-[3-(4-bromophenyl)-7h-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl]benzene-1,2-diol (CAS 688792-19-0)
- Tert-butyl (1-(5-iodopyridin-2-yl)piperidin-4-yl)carbamate (CAS 1242240-91-0)
- 1-(5-Iodopyrimidin-4-yl)piperidin-4-ol (CAS 1481457-79-7)
- Methyl 2-(tetrahydro-2H-thiopyran-4-yl)acetate (CAS 1548627-52-6)
- tert-Butyl 2-(2-(piperazin-1-yl)pyridin-3-yl)piperidine-1-carboxylate (CAS 1352524-51-6)
- 2,2'-(Pyridine-2,6-diyl)diacetic acid (CAS 209215-55-4)
- 2-Propenoic acid, 2-methyl-, methyl ester, polymer with ethyl 2-propenoate and 2-methyl-2-propenamide (CAS 30394-86-6)
- (3-(3-Chlorophenyl)isoxazol-5-yl)methanamine (CAS 885273-50-7)
- Lobophorin B DISCONTINUED (CAS 78798-30-8)
- 6-Chloro-4-cyclopropoxypyridin-3-amine (CAS 1243470-66-7)
- 7-(4-Chlorophenyl)-2,5,6-trimethyl-3H-pyrrolo[2,3-d]pyrimidin-4(7H)-one (CAS 933245-23-9)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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