5H-[1,3]Dioxolo[4,5-f]indole-7-carbaldehyde CAS 101966-88-5
| CAS No. | 101966-88-5 |
| Molecular Formula | C10H7NO3 |
| Molecular Weight | 189.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H7NO3, 5H-[1,3]Dioxolo[4,5-f]indole-7-carbaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5H-[1,3]Dioxolo[4,5-f]indole-7-carbaldehyde (CAS 101966-88-5) is a high-purity analytical reference standard with the molecular formula C10H7NO3 and a molecular weight of 189.17 g/mol.
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.
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 | C10H7NO3 |
| Molecular Weight | 189.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related H Standards
- [1,3]Dioxolo[4,5-g]quinolin-8(5H)-one (CAS 154504-43-5)
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- [1,3]Dioxolo[4,5-g]quinazolin-8-amine (CAS 77850-67-0)
- [1,3]Dioxolo[4,5-g]quinolin-8-ol (CAS 35478-79-6)
- 6H-[1,3]Dioxolo[4,5-g]chromen-6-one (CAS 494-56-4)
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- [1,3]Dioxolo[4,5-g]cinnolin-4-ol (CAS 28657-76-3)
Recommended Standards
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- 2-(4-Nitrophenoxy)acetonitrile (CAS 33901-46-1)
- Methyl 4-(2-fluorophenyl)thieno[3,2-c]pyridine-6-carboxylate (CAS 1344704-45-5)
- 2-Bromo-3-nitrophenol (CAS 101935-40-4)
- 4-[(3-Phenylpropoxy)methyl]piperidinehydrochloride (CAS 1051919-41-5)
- Resmetirom impurity 115 (CAS CATO-C4X-2912115)
- 2-Chloro-1-(3-(((cyclopropylmethyl)amino)methyl)piperidin-1-yl)ethanone (CAS 1353958-69-6)
- 5-Methyl-6-(piperidin-1-yl)pyridin-3-amine dihydrochloride (CAS 1432680-07-3)
- 4-Methoxybenzamidine (CAS 22265-37-8)
- Semaglutide (CAS 910463-68-2（free base）)
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