2-(3,4,5-Trimethoxyphenyl)quinoline-4-carbohydrazide CAS 327072-76-4
| CAS No. | 327072-76-4 |
| Molecular Formula | C19H19N3O4 |
| Molecular Weight | 353.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(3,4,5-Trimethoxyphenyl)quinoline-4-carbohydrazide (CAS 327072-76-4), molecular formula C19H19N3O4 and molecular weight 353.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H19N3O4, 2-(3,4,5-Trimethoxyphenyl)quinoline-4-carbohydrazide contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 353.37 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.
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 | C19H19N3O4 |
| Molecular Weight | 353.37 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Trimethoxyphenyl Standards
- 13-(3,4,5-Trimethoxyphenyl)-1,8,10,12-tetraazatricyclo[7.4.0.0^{2,7}]trideca-2,4,6,8,11-pentaen-11-amine (CAS 306735-68-2)
- 4-(2,3,4-Trimethoxyphenyl)-1,4-dihydrobenzo[4,5]imidazo[1,2-a][1,3,5]triazin-2-amine (CAS 727686-81-9)
- Ethyl 8-(2,3,4-trimethoxyphenyl)-8-oxooctanoate (CAS 951888-66-7)
- Ethyl 8-(2,4,5-trimethoxyphenyl)-8-oxooctanoate (CAS 951887-99-3)
- Ethyl 8-(3,4,5-trimethoxyphenyl)-8-oxooctanoate (CAS 951887-79-9)
- 2-(1-((3,4,5-Trimethoxyphenyl)carbamoyl)piperidin-4-yl)acetic acid (CAS 1142202-68-3)
- 1-Oxo-2-(3,4,5-trimethoxyphenyl)-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1352517-20-4)
- 2-(3,4,5-Trimethoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160260-80-9)
Recommended Standards
- 2-(2-(Methylsulfonyloxy)ethyl)-4-nitrobenzyl (methanesulfonate) (CAS 199014-22-7)
- 2-(3,4-Dimethoxy-phenyl)-4-ethoxymethylene-4H-isoquinoline-1,3-dione (CAS 522628-98-4)
- 2-([3,2':6',3''-Terpyridin]-4'-yl)benzoic acid (CAS 2229897-55-4)
- 2-(4-(4-(Benzyloxy)phenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)propanoic acid (CAS 866149-17-9)
- 2-(4-Fluorobenzenesulfinyl)-N-(4-methoxyphenyl)acetamide (CAS 339097-27-7)
- 2,7-Dichloro-3,6-dihydroxy-3-oxo-3H-spiro-[isobenzofuran-1,9-xanthene]-5-carboxylic acid (CAS 142975-81-3)
- 2-Methyl Methcathinone-d3 Hydrochloride (1.0mg/ml in Acetonitrile) (CAS 1330277-26-3)
- N-(2-Methylpropyl)-3-(methylsulfanyl)-1h-1,2,4-triazol-5-amine (CAS 1021088-99-2)
- 2,7-Naphthalenebis(trifluoromethanesulfonate) (CAS 151391-00-3)
- Fudosteine Impurity 82 HCl (CAS CATO-C4X-144782)
- 1-(2-Methylphenyl)ethanol (CAS 7287-82-3)
- 2-Chloropyrido[2,3-d]pyrimidin-4(3H)-one (CAS 93049-38-8)
- 2-Fluoro-3-methyl-5-nitrobenzonitrile (CAS 1638269-41-6)
- Tau Peptide (379-408) trifluoroacetate salt (CAS 1246357-53-8)
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