Methyl 4-(3-hydroxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate CAS 299946-06-8
| CAS No. | 299946-06-8 |
| Molecular Formula | C18H19NO4 |
| Molecular Weight | 313.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Methyl 4-(3-hydroxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate 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.
Methyl 4-(3-hydroxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate (CAS 299946-06-8), molecular formula C18H19NO4 and molecular weight 313.35 g/mol, is a CATO reference standard with documented purity and traceability.
Methyl 4-(3-hydroxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate (C18H19NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C18H19NO4 |
| Molecular Weight | 313.35 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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
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- 3-(4-(3-(4-hydroxyphenyl) (CAS CATO-C3D-262204)
- 3-(4-(3-(3-hydroxyphenyl) (CAS CATO-C3D-262205)
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Recommended Standards
- Methyl 2-{10-cyano-7-methyl-1,3,8,12-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),7,9,11-tetraen-3-yl}-3-methylbutanoate (CAS 860610-77-1)
- Methyl 4-(4-(4-fluorophenyl)thiazol-2-yl)benzoate (CAS 321429-92-9)
- Methyl 2-(((4-isopropylphenoxy)carbonyl)amino)benzoate (CAS 866153-47-1)
- Methyl 7-(4-(dimethylamino)phenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 391896-91-6)
- tert-Butyl (4-(2-chloroacetamido)cyclohexyl)(ethyl)carbamate (CAS 1353963-63-9)
- N-(4-Mesitylthiazol-2-yl)-2-(methylthio)nicotinamide (CAS 771511-45-6)
- 6-Fluoro-2,3-dimethoxybenzoic acid (CAS 265670-72-2)
- N’-(2-chloroacetyl)-3-cyanobenzohydrazide (CAS 83070-33-1)
- (E)-2-(4-methoxybenzyl)-1,3-dioxo-1,2,3,4-tetrahydroisoquinoline-4-carbaldehyde O-(4-chlorobenzyl) oxime (CAS 303986-01-8)
- 6,7-Dichloro-2-(4-chlorophenoxy)-3-(trifluoromethyl)quinoxaline (CAS 478039-85-9)
- N-Allyl-2-amino-3-methylbutanamide hydrochloride (CAS 1246172-88-2)
- 2-Methyl-1-(propylamino)propan-2-ol (CAS 815608-03-8)
- 4-(((Furan-2-ylmethyl)thio)methyl)-1-((3-(trifluoromethyl)phenyl)sulfonyl)piperidine (CAS 1396857-76-3)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com