6-Methoxy-3-nitro-1H-pyrrolo[2,3-b]pyridine CAS 1190310-33-8
| CAS No. | 1190310-33-8 |
| Molecular Formula | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6-Methoxy-3-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1190310-33-8) is a high-purity analytical reference standard with the molecular formula C8H7N3O3 and a molecular weight of 193.16 g/mol.
Based on its molecular formula C8H7N3O3, 6-Methoxy-3-nitro-1H-pyrrolo[2,3-b]pyridine 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 193.16 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.
CATO manufactures 6-Methoxy-3-nitro-1H-pyrrolo[2,3-b]pyridine 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 | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Related Methoxy Standards
- 6-Methoxy-4-nitro-1H-indazole (CAS 1000341-08-1)
- 5-Methoxy-benzo[d]isoxazole-3-carboxylic acid (CAS 108805-39-6)
- 7-Methoxy-3-nitro-1H-pyrrolo[3,2-b]pyridine (CAS 1116136-57-2)
- 3-Methoxy-5-nitro-1H-indazole (CAS 1118574-49-4)
- 4-Methoxy-3-nitro-1H-pyrrolo[3,2-c]pyridine (CAS 1190314-09-0)
- 7-Methoxy-3-nitro-1H-pyrrolo[2,3-c]pyridine (CAS 1190314-26-1)
- 4-Methoxy-3-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1190314-57-8)
- 6-Methoxy-3-nitro-1H-pyrrolo[3,2-b]pyridine (CAS 1190317-64-6)
Recommended Standards
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Why CATO?
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