2-Oxo-2-(2-phenylindolizin-3-yl)acetic acid CAS 892691-05-3
| CAS No. | 892691-05-3 |
| Molecular Formula | C16H11NO3 |
| Molecular Weight | 265.26 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.
2-Oxo-2-(2-phenylindolizin-3-yl)acetic acid (CAS 892691-05-3), molecular formula C16H11NO3 and molecular weight 265.26 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-Oxo-2-(2-phenylindolizin-3-yl)acetic acid (C16H11NO3) is characterized by a nitrogen-containing heterocyclic scaffold, 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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H11NO3 |
| Molecular Weight | 265.26 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 1-(5-Methyl-2-phenylindolizin-1-yl)ethanone (CAS 5280-27-3)
- 2-Oxo-2-(2-phenylindolizin-3-yl)acetyl chloride (CAS 101081-39-4)
- 2-(1-Methyl-2-phenylindolizin-3-yl)acetonitrile (CAS 653597-25-2)
- 1-(2-Phenylindolizin-3-yl)ethan-1-one (CAS 38320-58-0)
- 1-(6-Phenylindolizin-3-yl)-1H-pyrazole-5-carboxylic acid (CAS 1422066-38-3)
- 1-(6-Phenylindolizin-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 1422066-85-0)
- [(2-Phenylindolizin-3-yl)methyl]amine (CAS 1177280-83-9)
- 1-Phenyl-2-(3-phenylindolizin-1-yl)ethanone (CAS 61454-00-0)
Recommended Standards
- 2-Cyano-3-(3,4,5-trimethoxyphenyl)propionic Acid (CAS 42864-52-8)
- 2-Oxo-3-phenyl-1,2-dihydroquinoline-4-carboxylic acid (CAS 62569-75-9)
- 2-Benzoyl-1H-indole-3-carboxylic acid (CAS 74588-82-2)
- 2-Oxo-4-phenyl-1,2-dihydroquinoline-3-carboxylic acid (CAS 92795-47-6)
- 3-methyl-1H-indazole-7-carboxylic acid (CAS 1555382-87-0)
- tert-Butyl (2-bromo-4,5-difluorophenyl)carbamate (CAS 1802815-25-3)
- Methyl 2-(1-(2,2-difluoroethyl)-3-methyl-6-oxo-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-7(6H)-yl)acetate (CAS 1018142-58-9)
- NCDM-32B (CAS 1239468-48-4)
- 2-Bromocinnamic Acid (CAS 7499-56-1)
- N-(3,4-Dimethylphenyl)-1-oxo-1H-isochromene-3-carboxamide (CAS 354999-94-3)
- Cefathiamidine Impurity 3 (CAS 1417570-09-2)
- 4’-(1H-imidazol-1-ylmethyl)-1,1’-biphenyl-2-carbonitrile (CAS 929973-09-1)
- 2-{[4-(2,4-dimethylbenzenesulfonamido)phenyl]formamido}acetic acid (CAS 796083-83-5)
- Tetrapeptide-30/Tegopep (CAS 1036207-61-0)
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