5,8-Dimethoxy-4-methylquinolin-2-ol CAS 23947-41-3
| CAS No. | 23947-41-3 |
| Molecular Formula | C12H13NO3 |
| Molecular Weight | 219.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5,8-Dimethoxy-4-methylquinolin-2-ol (CAS 23947-41-3) is a high-purity analytical reference standard with the molecular formula C12H13NO3 and a molecular weight of 219.24 g/mol.
5,8-Dimethoxy-4-methylquinolin-2-ol (C12H13NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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), 5,8-Dimethoxy-4-methylquinolin-2-ol 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 | C12H13NO3 |
| Molecular Weight | 219.24 g/mol |
| Appearance | Off-white to pale 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Related Dimethoxy Standards
- 4,7-Dimethoxy-1-methylquinolin-2(1H)-one (CAS 100192-50-5)
- 1-(5,6-Dimethoxy-1H-indol-3-yl)ethan-1-one (CAS 1269920-07-1)
- 5,8-Dimethoxy-2-methylquinazolin-6-amine (CAS 1823498-67-4)
- 4,6-Dimethoxy-1-methyl-1H-indole-3-carbaldehyde (CAS 696649-93-1)
- 5,8-Dimethoxy-2-methylquinolin-4-ol (CAS 58868-03-4)
- 6,7-Dimethoxy-2-methyl-1(2H)-isoquinolinone (CAS 20323-75-5)
- 6,7-Dimethoxy-2-methylquinazolin-4-amine (CAS 21575-27-9)
- 6,7-Dimethoxy-2-methylquinolin-4(1H)-one (CAS 686279-47-0)
Recommended Standards
- 5-[3-(Aminomethyl)phenyl]-5-methylimidazolidine-2,4-dione (CAS 903557-17-5)
- 5,6,7-Trimethoxyisoquinoline (CAS 36982-71-5)
- 5-Amino-DL-tryptophan (CAS 6383-69-3)
- 5-(5-Ethyl-1,3,4-oxadiazol-2-yl)-2-methoxyaniline (CAS 954326-01-3)
- Methyl (R)-2-(adamantan-1-yl)-2-aminoacetate (CAS 102572-74-7)
- 2-Amino-2-(2,3-dichlorophenyl)acetonitrile (CAS 837369-52-5)
- N-(4-Amino-3-cyclopropoxypyridin-2-yl)methanesulfonamide (CAS 1243409-88-2)
- 1-Benzylindoline-4,6-diol (CAS 2680577-06-2)
- 1,1'-(1,4-Phenylene)bis(2,2-dihydroxyethan-1-one) (CAS 48160-61-8)
- N-cycloheptyl-1-(6-methylpyridin-2-yl)-1H-imidazole-4-carboxamide (CAS 477864-43-0)
- 3-Ethyl-1H-pyrazole-4-carboxylic acid (CAS 1007541-72-1)
- (2Z)-4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-2-{[(3-methoxyphenyl)amino]methylidene}-3-oxobutanenitrile (CAS 251310-64-2)
- (3-Methoxy-benzyl)-(2-methoxy-1-methyl-ethyl)-amine hydrobromide 0212AD 1185294-33-0 C12H20BrNO2 (CAS 1185294-33-0)
- Semaglutide impurity 81 (CAS CATO-C4X-222681)
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