3-(2-nitroethenyl)-1H-pyrrolo[2,3-b]pyridine CAS 183208-28-8

Purity 97%+In StockPharmaceutical Standards
CAS No.183208-28-8
Molecular FormulaC9H7N3O2
Molecular Weight189.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(2-nitroethenyl)-1H-pyrrolo[2,3-b]pyridine CAS 183208-28-8 chemical structure

Description

The occurrence of 3-(2-nitroethenyl)-1H-pyrrolo[2,3-b]pyridine is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3-(2-nitroethenyl)-1H-pyrrolo[2,3-b]pyridine (CAS 183208-28-8) is a high-purity analytical reference standard with the molecular formula C9H7N3O2 and a molecular weight of 189.17 g/mol.

Based on its molecular formula C9H7N3O2, 3-(2-nitroethenyl)-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 189.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 3-(2-nitroethenyl)-1H-pyrrolo[2,3-b]pyridine 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 FormulaC9H7N3O2
Molecular Weight189.17 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2009
Nitrogen Atoms3

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