4-Methoxy-[1,3]dioxolo[4,5-h]isoquinoline CAS 110103-20-3
| CAS No. | 110103-20-3 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methoxy-[1,3]dioxolo[4,5-h]isoquinoline (CAS 110103-20-3) is a high-purity analytical reference standard with the molecular formula C11H9NO3 and a molecular weight of 203.19 g/mol.
Structurally, 4-Methoxy-[1,3]dioxolo[4,5-h]isoquinoline (C11H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 203.19 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), 4-Methoxy-[1,3]dioxolo[4,5-h]isoquinoline 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 | C11H9NO3 |
| Molecular Weight | 203.19 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 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.) | 1988 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
- 8-Methoxy-2-methylquinoline-5,6-dione (CAS 120051-18-5)
- 4-(2-Methoxy-acetyl)-morpholine-3-carboxylic acid (CAS 1316219-80-3)
- 1-Methoxy-3-nitronaphthalene (CAS 13802-40-9)
- 143571-91-9 7-Methoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde AZ0001-0360 (CAS 143571-91-9)
- 8-Methoxy-2-oxo-1,2-dihydroquinoline-4-carbaldehyde (CAS 143571-92-0)
- 5-methoxy-2-nitrobenzoic acid (CAS 1882-69-5)
- 1-Methoxy-4-nitronaphthalene (CAS 4900-63-4)
- 2-Methoxy-1-nitronaphthalene (CAS 4900-66-7)
Recommended Standards
- [2-(difluoromethoxy)-5-methoxyphenyl]methanamine (CAS 1094792-05-8)
- 3-Acetyl-1H-indole-6-carboxylic acid (CAS 1105192-45-7)
- 1-Methoxyisoquinoline-3-carboxylic acid (CAS 1094553-95-3)
- methyl 4-hydroxyisoquinoline-3-carboxylate (CAS 1108146-90-2)
- 1-benzyl-2-methyl-1h-indole (CAS 17901-58-5)
- 4-Methoxy-2-nitrobenzene-1-sulfonamide (CAS 81792-84-9)
- (2S,3S)-1,4-diphenylbutane-2,3-diamine (CAS 1551455-15-2)
- N-(2,6-Dichloro-4-methoxyphenyl)-2-(diethylamino)acetamide (CAS 67625-05-2)
- Melitracen-d6 HCl (CAS 1189648-08-5)
- Dimethenamid ESA Sodium Salt (CAS 205939-58-8)
- 1-(1-Methyl-1h-pyrrol-2-yl)cyclopropan-1-amine (CAS 1427012-64-3)
- tert-Butyl 3,4-dimethylpiperazine-1-carboxylate (CAS 741287-32-1)
- 2-Isobutyramidobenzoic acid (CAS 17840-96-9)
- Peptide Fmoc-Thi-Thi-OH (CAS CATO-CPTD788552)
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