2-[(3-benzyl-4,8-dimethyl-2-oxo-2h-chromen-7-yl)oxy]acetic acid CAS 374707-77-4
| CAS No. | 374707-77-4 |
| Molecular Formula | C20H18O5 |
| Molecular Weight | 338.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 338.35 g/mol gives 2-[(3-benzyl-4,8-dimethyl-2-oxo-2h-chromen-7-yl)oxy]acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-[(3-benzyl-4,8-dimethyl-2-oxo-2h-chromen-7-yl)oxy]acetic acid (CAS 374707-77-4), molecular formula C20H18O5 and molecular weight 338.35 g/mol, is a CATO reference standard with documented purity and traceability.
2-[(3-benzyl-4,8-dimethyl-2-oxo-2h-chromen-7-yl)oxy]acetic acid (C20H18O5) 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-[(3-benzyl-4,8-dimethyl-2-oxo-2h-chromen-7-yl)oxy]acetic 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 | C20H18O5 |
| Molecular Weight | 338.35 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
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Recommended Standards
- 2-(Benzylamino)-2-thioxo-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 271798-63-1)
- 2-[(4-Fluorophenyl)carbamoyl]phenyl N,N-dimethylsulfamate (CAS 338396-31-9)
- 2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)cyclohexanecarboxylic acid (CAS 500533-92-6)
- 3-(2,3-Dimethoxybenzylidene)-5-(4-methoxyphenyl)furan-2(3H)-one (CAS 6621-90-5)
- 7-Hydroxy-8-methyl-2h-1-benzopyran-2-one (CAS 2732-17-4)
- N-(4-(hydrazinecarbonyl)phenyl)butyramide (CAS 315670-16-7)
- 4-Methyl-3-nitrophenyl isocyanate (CAS 13471-69-7)
- Tert-butyl ((tetrahydro-2H-thiopyran-2-yl)methyl)carbamate (CAS 1461705-58-7)
- Epinastine (CAS 80012-43-7)
- 4-Chloro-5-hydroxy-2-methylbenzofuran-3-carboxylic acid (CAS 114829-18-4)
- Ethyl 2-(2-chlorobenzamido)-4-methyl-5-(phenylcarbamoyl)thiophene-3-carboxylate (CAS 296244-50-3)
- 3-(2,2-difluoroethoxy)propan-1-ol (CAS 1554181-29-1)
- 2-Imino-1-(2-methoxyethyl)-5-oxo-N-((tetrahydrofuran-2-yl)methyl)-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 510762-48-8)
- Retatrutide (CAS 2381089-83-2)
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