6-Oxo-1,2-dihydro-6H-pyrrolo[3,2,1-ij]quinoline-5-carboxylic acid CAS 40400-68-8
| CAS No. | 40400-68-8 |
| Molecular Formula | C12H9NO3 |
| Molecular Weight | 215.20 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 6-Oxo-1,2-dihydro-6H-pyrrolo[3,2,1-ij]quinoline-5-carboxylic acid.
6-Oxo-1,2-dihydro-6H-pyrrolo[3,2,1-ij]quinoline-5-carboxylic acid (CAS 40400-68-8), molecular formula C12H9NO3 and molecular weight 215.20 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 6-Oxo-1,2-dihydro-6H-pyrrolo[3,2,1-ij]quinoline-5-carboxylic acid (C12H9NO3) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 6-Oxo-1,2-dihydro-6H-pyrrolo[3,2,1-ij]quinoline-5-carboxylic acid 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 | C12H9NO3 |
| Molecular Weight | 215.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carboxylic acid (CAS 386715-43-1)
- Ethyl 2-(3,6-dihydro-2H-pyran-4-yl)-2-nitroacetate (CAS 921755-40-0)
- 4-Oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidine-5-sulfonic acid (CAS 22277-06-1)
- 1-(2,3-Dihydro-1h-inden-5-yl)-2,2,2-trifluoroethan-1-amine (CAS 1039967-75-3)
- 1-(2,3-Dihydro-1h-inden-2-yl)-2,2,2-trifluoroethan-1-amine (CAS 2092448-59-2)
- 2,3-Dihydro-1,4-benzodioxine-6-sulphonamide (CAS 90222-81-4)
- Methyl 5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-1-carboxylate (CAS 106202-39-5)
- [3-(5,6-Dihydro-8h-imidazo[2,1-c][1,4]oxazin-3-yl)phenyl]amine (CAS 1428233-54-8)
Recommended Standards
- 6-Hydroxy-9-methylfuro[2,3-b]quinolin-4(9H)-one (CAS 221457-19-8)
- 6-Phenoxynicotinic Acid (CAS 51362-38-0)
- 5-Phenoxypyridine-3-carboxylic acid (CAS 668969-15-1)
- 6-Phenoxypicolinic acid (CAS 51362-40-4)
- Methotrexate-d3 (CAS 432545-63-6)
- Tert-butyl2-(chloromethyl)-6,8-dihydro-5h-imidazo[1,2-a]pyrazine-7-carboxylate (CAS 2306263-07-8)
- 2,2',3-Trihydroxydiphenyl Ether Standard (CAS 91368-55-7)
- 2-((Phenylthio)methyl)imidazo[1,2-a]pyrimidine (CAS 371211-44-8)
- 1-(Pentacosa-11,13-diyn-1-yl)pyridin-1-ium bromide (CAS 94598-31-9)
- 3-Chloro-2-naphthoic acid (CAS 19411-56-4)
- 1-Ethyl-3-methyl-2-nitro-1H-indole (CAS 680574-13-4)
- 3-(2-(3-(4-hydroxyphenyl) (CAS CATO-C3D-262210)
- 2-[3-(4H-1,2,4-Triazol-4-yl)propyl]-2,3-dihydro-1H-isoindole-1,3-dione (CAS 897054-14-7)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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