| CAS No. | 6622-20-4 |
| Molecular Formula | C25H23N5 |
| Molecular Weight | 393.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 7,8-Dimethoxy-2-(quinolin-2-yl)-4H-chromen-4-one is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7,8-Dimethoxy-2-(quinolin-2-yl)-4H-chromen-4-one (CAS 6622-20-4) is a high-purity analytical reference standard with the molecular formula C25H23N5 and a molecular weight of 393.48 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 7,8-Dimethoxy-2-(quinolin-2-yl)-4H-chromen-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 393.48 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 7,8-Dimethoxy-2-(quinolin-2-yl)-4H-chromen-4-one 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.
| Molecular Formula | C25H23N5 |
| Molecular Weight | 393.48 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 5 |