3,4-Dihydrocyclopenta[b]indole CAS 7075-77-6
| CAS No. | 7075-77-6 |
| Molecular Formula | C11H9N |
| Molecular Weight | 155.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3,4-Dihydrocyclopenta[b]indole (CAS 7075-77-6) is a high-purity analytical reference standard with the molecular formula C11H9N and a molecular weight of 155.20 g/mol.
The molecular framework of 3,4-Dihydrocyclopenta[b]indole (C11H9N) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group. 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 high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
Physical & Chemical Properties
| Molecular Formula | C11H9N |
| Molecular Weight | 155.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-(tert-Butyl)-4-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 2198019-85-9)
- 3,4-Dihydronaphthalene-1-carbonitrile (CAS 73599-59-4)
- 3-(sec-Butylamino)-1H-pyrazol-5(4H)-one (CAS 57338-45-1)
- 3,5-Dimethyl-4-((2-methylhydrazinyl)methyl)isoxazole (CAS 90049-32-4)
- 2-Methyl-6-nitroquinolin-4-amine (CAS 99185-71-4)
- 1-(4-Iodophenyl)-2-methylpropan-1-one (CAS 99059-63-9)
- (S)-6-Bromo-3-hydroxy-3-methylindolin-2-one (CAS 2741438-67-3)
- 2-Benzylcyclopentane-1,3-dione (CAS 3604-17-9)
- Upadacitinib Impurity 217 HCl (CAS CATO-C4X-2405217)
- Formoterol Impurity 62 (CAS CATO-C4X-152562)
- 2-Iodosylterephthalic acid (CAS 64297-89-8)
- S-(tetrahydro-2H-pyran-2-yl)cysteine (CAS 1396966-83-8)
- tert-Butyl (4-amino-2,5-dimethylphenyl)carbamate (CAS 810662-51-2)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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