1-(3,4-Dimethoxyphenyl)-4-hydroxy-5,6,7-trimethoxy-2-naphthoic acid CAS 6305-51-7
| CAS No. | 6305-51-7 |
| Molecular Formula | C22H22O8 |
| Molecular Weight | 414.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3,4-Dimethoxyphenyl)-4-hydroxy-5,6,7-trimethoxy-2-naphthoic acid (CAS 6305-51-7), molecular formula C22H22O8 and molecular weight 414.41 g/mol, is a CATO reference standard with documented purity and traceability.
1-(3,4-Dimethoxyphenyl)-4-hydroxy-5,6,7-trimethoxy-2-naphthoic acid (C22H22O8) contains a flavonoid core, 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 1-(3,4-Dimethoxyphenyl)-4-hydroxy-5,6,7-trimethoxy-2-naphthoic acid 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.
Physical & Chemical Properties
| Molecular Formula | C22H22O8 |
| Molecular Weight | 414.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Dimethoxyphenyl Standards
- (E)-3-((2,5-dimethoxyphenyl)amino)-1-(3-(m-tolyl)benzo[c]isoxazol-5-yl)prop-2-en-1-one (CAS 691870-05-0)
- 1024151-42-5 2-({[2-(3,4-dimethoxyphenyl)ethyl]amino}(phenyl)methylidene)-2,3-dihydro-1H-indene-1,3-dione MS-6734 (CAS 1024151-42-5)
- 5-(3,4-Dimethoxyphenyl)-4-(furan-2-carbonyl)-3-hydroxy-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrrol-2(5H)-one (CAS 618072-42-7)
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- Ethyl 3-(1-(3,4-dimethoxyphenyl)-5-oxopyrrolidine-3-carboxamido)benzoate (CAS 1291842-44-8)
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Recommended Standards
- (S)-2-((S)-1-((Benzyloxy)carbonyl)-5-oxopyrrolidine-2-carboxamido)-3-(1-methyl-1H-imidazol-5-yl)propanoic acid (CAS 63648-88-4)
- 1-(5-Fluoro-2-hydroxyphenyl)-2-(triphenyl-lambda5-phosphanylidene)ethan-1-one (CAS 797054-15-0)
- (2Z)-2-[(Z)-Benzoyl]-3-{3-methoxy-4-[(4-nitrophenyl)methoxy]phenyl}prop-2-enenitrile (CAS 931886-75-8)
- 2-((4-(N-(4-fluorophenyl)sulfamoyl)phenyl)carbamoyl)benzoic acid (CAS 327067-74-3)
- Dnp-Pro-Gln-Gly-OH (CAS 65080-33-3)
- 3-(Pyrrolidin-3-yl)imidazo[1,5-a]pyridine-1-carboxylic acid (CAS 1250992-75-6)
- 5-(Aminomethyl)-N-methylfuran-2-carboxamide (CAS 1210706-38-9)
- methyl 4-azidopyridine-2-carboxylate (CAS 1431470-10-8)
- 4-(Trifluoromethyl)cyclohex-1-enylboronic acid (CAS 865869-30-3)
- N-Methyl-D-valine (CAS 88930-14-7)
- 4-chloro-3-iodo-1-(3-methanesulfonylpropyl)-1H-pyrazole (CAS 1541379-42-3)
- N-(2,3-Dichlorophenyl)-2-(2-mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetamide (CAS 1142200-25-6)
- 6,7-Dimethyl-1H-naphtho[2,3-d][1,2,3]triazole-4,9-dione (CAS 72364-91-1)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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