2-Hydroxy-1-(2-methyl-2,3-dihydro-1h-indol-1-yl)ethan-1-one CAS 73251-23-7
| CAS No. | 73251-23-7 |
| Molecular Formula | C11H13NO2 |
| Molecular Weight | 191.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxy-1-(2-methyl-2,3-dihydro-1h-indol-1-yl)ethan-1-one (CAS 73251-23-7), molecular formula C11H13NO2 and molecular weight 191.23 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 2-Hydroxy-1-(2-methyl-2,3-dihydro-1h-indol-1-yl)ethan-1-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 191.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Hydroxy-1-(2-methyl-2,3-dihydro-1h-indol-1-yl)ethan-1-one 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 | C11H13NO2 |
| Molecular Weight | 191.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 4-Hydroxy-4-(pyridin-2-yl)cyclohexanone (CAS 10421-19-9)
- 1-(5-Hydroxy-3,4-dihydroquinolin-1(2H)-yl)ethanone (CAS 108825-08-7)
- 5-Hydroxy-2-propylisoindolin-1-one (CAS 109803-67-0)
- n-(2-Hydroxy-2,3-dihydro-1h-inden-1-yl)acetamide (CAS 115146-09-3)
- 5-Hydroxy-1,3,3-trimethylindolin-2-one (CAS 120713-58-8)
- 3-Hydroxy-7-isopropylindolin-2-one (CAS 1249587-64-1)
- 5-Hydroxy-2-isopropylisoindolin-1-one (CAS 1260225-09-9)
- 6-Hydroxy-2-isopropylisoindolin-1-one (CAS 1344692-09-6)
Recommended Standards
- 2-Hydroxy-1-(1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one (CAS 73251-26-0)
- 2-Hydroxy-2-(pyridin-3-yl)cyclohexan-1-one (CAS 886362-93-2)
- 2-Hydroxy-1-(1,2,3,4-tetrahydroisoquinolin-2-yl)ethan-1-one (CAS 73251-21-5)
- 2-Hydroxy-4-(pyrrolidin-1-yl)benzaldehyde (CAS 74427-40-0)
- 6,7-Dihydro-5H-pyrrolo[3,4-b]pyridine dihydrobromide (CAS 204593-51-1)
- 1-Amino-4,4-dimethylcyclohexane-1-carboxylic acid (CAS 199330-51-3)
- Coronene-1-carboxylic acid (CAS 97839-93-5)
- 5-(O-tolyl)-1H-1,2,4-triazole-3-thiol (CAS 54294-18-7)
- 2-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methyl}phenoxy)-6-fluorobenzonitrile (CAS 338777-17-6)
- 2-(3,4-Dihydroxycyclopenta-2,4-dien-1-ylidene)malononitrile (CAS 503550-51-4)
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