2-(2,5-Dimethylphenyl)-6,8-dimethylquinoline-4-carboxylic acid CAS 438228-75-2
| CAS No. | 438228-75-2 |
| Molecular Formula | C20H19NO2 |
| Molecular Weight | 305.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2-(2,5-Dimethylphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 438228-75-2), a certified reference material (molecular formula C20H19NO2, MW 305.37 g/mol) for analytical method development and quality control.
2-(2,5-Dimethylphenyl)-6,8-dimethylquinoline-4-carboxylic acid (C20H19NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H19NO2 |
| Molecular Weight | 305.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Dimethylphenyl Standards
- 4-(3,4-Dimethylphenyl)-6-(3-methoxyphenyl)pyrimidin-2-amine (CAS 1354936-26-7)
- (4Z)-4-{[(2,6-dimethylphenyl)amino]methylidene}-3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-one (CAS 320424-83-7)
- 2-(2,4-Dimethylphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 445260-11-7)
- 2-(2,4-Dimethylphenyl)-6-ethylquinoline-4-carboxylic acid (CAS 590355-50-3)
- 2-(2,5-Dimethylphenyl)-7,8-dimethylquinoline-4-carboxylic acid (CAS 724749-08-0)
- 2-(2,5-Dimethylphenyl)-8-ethylquinoline-4-carboxylic acid (CAS 724749-09-1)
- 2-(3,4-Dimethylphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 895967-54-1)
- 4-((3,5-Dimethylphenyl)amino)-4-oxo-2-(piperazin-1-yl)butanoic acid (CAS 540763-94-8)
Recommended Standards
- 2-(1-Methyl-1H-pyrrol-2-yl)-N'-(1-(naphthalen-1-yl)ethylidene)acetohydrazide (CAS 315226-14-3)
- 2-(2,6-Diethylphenyl)-4-phenyloxazole-5-carbaldehyde (CAS 832155-17-6)
- 2-(1-(Tert-butoxycarbonyl)-3-phenylpyrrolidin-3-yl)acetic acid (CAS 952183-51-6)
- 2-(2-Aminoethyl)-4-(2,3-dihydro-1H-inden-5-yl)phthalazin-1(2H)-one (CAS 866133-39-3)
- 1-(2-Cyclopropylethyl)-6-fluorobenzo[d][1,3]oxazine-2,4-dione (CAS 477933-12-3)
- (R)-2-amino-3-((4-methylbenzyl)thio)propan-1-ol (CAS 438237-83-3)
- (R)-2-Amino-3-(pyridin-2-yl)propanoic acid dihydrochloride (CAS 74104-85-1)
- 2-(4-(2-Chloro-6-fluorobenzyl)piperazin-1-yl)ethan-1-ol (CAS 416894-47-8)
- 3-(2-(Piperidin-1-yl)ethoxy)-1-(3-(trifluoromethyl)phenyl)-1H-pyrazolo[3,4-b]pyridine hydrochloride (CAS 34580-70-6)
- 1-(2,5-Dimethylphenyl)-2,5-dimethyl-1h-pyrrole-3-carboxylic acid (CAS 901565-46-6)
- 4,5-Dihydro-3-methyl-5-oxo-1H-pyrazole-4-propanoic acid (CAS 224568-17-6)
- 2,6-Dichloro-4-iodophenol (CAS 34074-22-1)
- Boc-1Aic-OH (CAS 214139-26-1)
- Fibrinogen-Binding Inhibitor Peptide (CAS 89105-94-2)
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