5,6-Dihydro-5-phenylindolo[2,3-b]indole CAS 1373266-14-8
| CAS No. | 1373266-14-8 |
| Molecular Formula | C20H14N2 |
| Molecular Weight | 282.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6-Dihydro-5-phenylindolo[2,3-b]indole (CAS 1373266-14-8), molecular formula C20H14N2 and molecular weight 282.34 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5,6-Dihydro-5-phenylindolo[2,3-b]indole (C20H14N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 282.34 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 5,6-Dihydro-5-phenylindolo[2,3-b]indole 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 | C20H14N2 |
| Molecular Weight | 282.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- 4-[(2,3-dihydro-1H-inden-5-yloxy)methyl]benzohydrazide (CAS 438531-30-7)
- 9,10-Dihydro-9,10-[1,2]benzenoanthracene-2-carbaldehyde (CAS 38303-29-6)
- 3-(((2,3-Dihydro-1H-inden-5-yl)oxy)methyl)-4-methoxybenzaldehyde (CAS 438531-13-6)
- Methyl 3-(((2,3-dihydro-1h-inden-5-yl)oxy)methyl)benzoate (CAS 832739-22-7)
- 5-(2,3-Dihydro-1H-inden-5-yl)-2-(methylsulfanyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 866050-32-0)
- 2-[(4S)-4,5-Dihydro-4-tricyclo[3.3.1.13,7]dec-1-yl-2-oxazolyl]pyridine (CAS 2410287-42-0)
- 2-((3-Oxo-2,3-dihydro-1H-inden-5-yl)oxy)-N-(pyridin-3-yl)acetamide (CAS 1203403-88-6)
- 3-(2,3-Dihydro-1-benzofuran-2-amido)benzoic acid (CAS 1016494-02-2)
Recommended Standards
- 3-((Benzofuran-2-ylmethyl)amino)-5-ethyl-6-methylpyridin-2(1H)-one (CAS 135525-72-3)
- 2'-(Phenylethynyl)-[1,1'-biphenyl]-2-carbaldehyde (CAS 1386987-31-0)
- 3-(2-(Benzo[d]oxazol-2-yl)ethyl)-5-ethyl-6-methylpyridin-2(1H)-one (CAS 135525-71-2)
- tert-Butyl 1-ethyl-7-(hydroxymethyl)-6,7-dihydro-1H-[1,2,3]triazolo[4,5-c]pyridine-5(4H)-carboxylate (CAS 1391732-88-9)
- 4-(2,2-Dimethyl-5-oxotetrahydrofuran-3-yl)butanoic acid (CAS 6266-61-1)
- Oxolinic acid (CAS 26893-27-6)
- N-(4-fluorophenyl)-4-nitro-1H-pyrazol-5-amine (CAS 400079-94-9)
- Ethyl 5-(2-ethoxy-2-oxoethyl)-1H-imidazole-2-carboxylate (CAS 193813-69-3)
- 2-(((5-Methoxyfuran-2-yl)methyl)amino)ethanol (CAS 61212-11-1)
- 4-Chloro-N-(pyridin-3-ylmethyl)aniline (CAS 29083-43-0)
- 1-(3-Fluorophenyl)-N-propyl-N-(thiophen-3-ylmethyl)methanesulfonamide (CAS 1235095-46-1)
- Gadobutrol impurity 174 (CAS CATO-C4X-2120174)
- 2-(Bromomethyl)-5-chlorobenzo[d]oxazole (CAS 79784-31-9)
- Neuroendocrine Regulatory Peptide-1 (rat) (CAS 954420-51-0)
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