6,8-Dimethyl-2-(4-propoxyphenyl)quinoline-4-carboxylic acid CAS 587851-88-5
| CAS No. | 587851-88-5 |
| Molecular Formula | C21H21NO3 |
| Molecular Weight | 335.40 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.
6,8-Dimethyl-2-(4-propoxyphenyl)quinoline-4-carboxylic acid (CAS 587851-88-5), molecular formula C21H21NO3 and molecular weight 335.40 g/mol, is a CATO reference standard with documented purity and traceability.
6,8-Dimethyl-2-(4-propoxyphenyl)quinoline-4-carboxylic acid (C21H21NO3) 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.
As a certified reference material (CRM), 6,8-Dimethyl-2-(4-propoxyphenyl)quinoline-4-carboxylic acid 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 Formula | C21H21NO3 |
| Molecular Weight | 335.40 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 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.) | 1984 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- 6,8-Dimethyl-2-(2-propoxyphenyl)quinoline-4-carboxylic acid (CAS 932928-90-0)
- 6,8-Dimethyl-2-(3-propoxyphenyl)quinoline-4-carboxylic acid (CAS 895932-30-6)
- N-(2-(1,3-dimethyl-5-phenoxy-1H-pyrazol-4-yl)ethyl)benzamide (CAS 477711-48-1)
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Recommended Standards
- 6-Ethyl-2-(4-isopropoxyphenyl)quinoline-4-carboxylic acid (CAS 862680-52-2)
- 6-Hydroxy-7-phenyl-4-(piperidin-1-ylmethyl)-2H-chromen-2-one (CAS 859141-72-3)
- 5-Amino-N-(4-ethylphenyl)-1-(4-methylbenzyl)-1H-1,2,3-triazole-4-carboxamide (CAS 900013-50-5)
- 7-Hexyl-3-methyl-8-morpholino-3,7-dihydro-1H-purine-2,6-dione (CAS 313230-30-7)
- Ethyl 4-formyl-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazole-3-carboxylate (CAS 179692-11-6)
- 4,6,7-Trimethyl-2-oxo-2H-chromene-3-carbonitrile (CAS 56394-26-4)
- n'-(1-(Pyridin-2-yl)ethylidene)formohydrazide (CAS 109353-25-5)
- 7-Nitro-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (CAS 1190310-90-7)
- N-(3-Aminophenyl)-2-butoxybenzamide (CAS 1020722-45-5)
- 2-Amino-4-ethyl-5-methylthiophene-3-carbonitrile (CAS 4651-92-7)
- 6-(4-Chlorophenyl)imidazo[2,1-b][1,3,4]thiadiazol-2-amine (CAS 16163-53-4)
- 3-(2-Isopropylphenoxy)azetidine (CAS 1219982-65-6)
- 3-Nitrobenzyl acetate (CAS 21388-97-6)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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