1-Oxo-3-phenyl-3,4-dihydro-1H-isochromene-4-carboxylic acid 1-oxo-3-phenylisochroman-4-carboxylic acid 68204-74-0 CAS 68204-74-0
| CAS No. | 68204-74-0 |
| Molecular Formula | C16H12O4 |
| Molecular Weight | 268.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 268.26 g/mol gives 1-Oxo-3-phenyl-3,4-dihydro-1H-isochromene-4-carboxylic acid 1-oxo-3-phenylisochroman-4-carboxylic acid 68204-74-0 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Oxo-3-phenyl-3,4-dihydro-1H-isochromene-4-carboxylic acid 1-oxo-3-phenylisochroman-4-carboxylic acid 68204-74-0 (CAS 68204-74-0) is a high-purity analytical reference standard with the molecular formula C16H12O4 and a molecular weight of 268.26 g/mol.
1-Oxo-3-phenyl-3,4-dihydro-1H-isochromene-4-carboxylic acid 1-oxo-3-phenylisochroman-4-carboxylic acid 68204-74-0 (C16H12O4) contains a flavonoid core, 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. 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-Oxo-3-phenyl-3,4-dihydro-1H-isochromene-4-carboxylic acid 1-oxo-3-phenylisochroman-4-carboxylic acid 68204-74-0 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 | C16H12O4 |
| Molecular Weight | 268.26 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
Recommended Standards
- tert-butyl 6-(difluoromethyl)indazole-1-carboxylate (CAS 2244582-63-4)
- 887353-38-0 Dicarbonic Acid C-(1,1-Dimethylethyl) C'-[4-(Hydroxymethyl)phenyl] Ester p-O-t-Boc-benzyl Alcohol (CAS 887353-38-0)
- tert-Butyl (5,6-difluoro-1H-indol-3-yl)carbamate (CAS 2639298-02-3)
- 5-hydroxy-6-methoxy-3-phenyl-1H-isochromen-1-one (CAS CATO-C3D-262407)
- 5-(3-Methylphenyl)-2,4(1H,3H)-pyrimidinedione (CAS 893737-41-2)
- 4-((1H-imidazol-1-yl)methyl)piperidin-4-ol (CAS 1033693-17-2)
- 7-(3-Phenyl-1,2,4-oxadiazol-5-yl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (CAS 1707571-49-0)
- N,N-diallyl-2,2,2-trichloroacetamide (CAS 39089-57-1)
- 1,3-Dimethylpyrido[3,4-b]pyrazin-2(1H)-one (CAS 93192-52-0)
- (Z)-N2-cyclohexyl-N4-phenyl-6-(2-(quinuclidin-3-ylidene)hydrazinyl)-1,3,5-triazine-2,4-diamine (CAS 1415565-89-7)
- (S)-N-Methyl-1-cyclohexyl-2,2,2-trifluoroethylamine (CAS 1389310-18-2)
- 3-Chloro-2,6-difluorobenzyl alcohol (CAS 252004-35-6)
- N-(2,4-Dimethylphenyl)-6-methyl-2-thioxo-4-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 431065-95-1)
- Semaglutide impurity 100 (CAS CATO-C4X-2226100)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com