3-(7,8-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-propanoic acid CAS 1010922-55-0
| CAS No. | 1010922-55-0 |
| Molecular Formula | C15H16O6 |
| Molecular Weight | 292.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(7,8-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-propanoic acid (CAS 1010922-55-0), molecular formula C15H16O6 and molecular weight 292.28 g/mol, is a CATO reference standard with documented purity and traceability.
3-(7,8-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-propanoic acid (C15H16O6) 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.
As a certified reference material (CRM), 3-(7,8-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)-propanoic 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 | C15H16O6 |
| Molecular Weight | 292.28 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
Related Dimethoxy Standards
- Methyl 2-(7,8-dimethoxy-2-oxo-2h-chromen-4-yl)propanoate (CAS 1092333-72-6)
- Ethyl (7,8-dimethoxy-2-oxo-2H-chromen-4-yl)acetate (CAS 1092333-75-9)
- Methyl 2-(5,7-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate (CAS 892559-75-0)
- Methyl 2-(6,7-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate (CAS 924775-40-6)
- Methyl 2-(7,8-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate (CAS 924803-62-3)
- (4,7-Dimethoxy-1h-indole-2-carbonyl)-l-alanine (CAS 1291831-59-8)
- 3-(6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalin-2-yl)propanoic acid (CAS 132788-56-8)
- 3-(4,7-Dimethoxy-1H-indole-2-carboxamido)propanoic acid (CAS 903190-14-7)
Recommended Standards
- 1-(3-(Difluoromethoxy)phenyl)-3-(1,5-dimethyl-1H-pyrazol-4-yl)prop-2-en-1-one (CAS 1005647-45-9)
- 2-(1,2-Dihydroxypropan-2-yl)-4-hydroxy-7-methyl-2H-furo[3,2-g]chromen-5(3H)-one (CAS 103629-81-8)
- Isopropyl Diphenyl Phosphate (CAS 60763-39-5)
- Pemafibrate Impurity 53 (CAS CATO-C4X-290353)
- 1-((4-Nitrophenyl)sulfonyl)piperazine (CAS 403825-44-5)
- 2-(Methoxymethyl)pyrazolo[1,5-a]pyridine (CAS 685886-56-0)
- (E)-N-({5-[(2-chlorophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)hydroxylamine 10L-558S 321998-22-5 (CAS 321998-22-5)
- 1-(3,4-Dichlorobenzyl)-3-(4-methyl-5-(methylthio)-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one (CAS 477853-14-8)
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