2-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl dihydrogen phosphate CAS 88543-71-9
| CAS No. | 88543-71-9 |
| Molecular Formula | C16H13O7P |
| Molecular Weight | 348.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, a phosphate ester group, a hydroxyl group, an ether linkage, 2-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl dihydrogen phosphate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 348.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl dihydrogen phosphate (CAS 88543-71-9), molecular formula C16H13O7P and molecular weight 348.24 g/mol, is a CATO reference standard with documented purity and traceability.
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-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl dihydrogen phosphate 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 | C16H13O7P |
| Molecular Weight | 348.24 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
Related Methoxyphenyl Standards
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Recommended Standards
- 2-(((Tetrahydro-2H-pyran-2-yl)oxy)methyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole (CAS 2450997-67-6)
- 2,2-Bis[4-(trifluoromethyl)phenyl]acetic acid (CAS 927802-69-5)
- 1-Butyl-3-(2-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea (CAS 2246849-82-9)
- 2'-Bromo-[1,1'-binaphthalen]-2-amine (CAS 224311-58-4)
- 4-(2,3-Dimethylphenyl)piperidin-4-ol hydrochloride (CAS 1354960-07-8)
- 4-Oxo-7-(pyrrolidin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 89353-49-1)
- (2,5-Dimethylfuran-3-carbonyl)methionine (CAS 318466-02-3)
- (5-methylpyridazin-3-yl)methanamine hydrochloride (CAS 1788054-82-9)
- 474944-04-2 C8 Ceramide-1-Phosphate (d17:1/8:0) (CAS 474944-04-2)
- 2-Methyl-3-(2,3,4-trifluorophenyl)-3,4-dihydroquinazolin-4-one (CAS 256955-26-7)
- 3,6-Dimethyl-4-(methylthio)pyridazine (CAS 865076-19-3)
- (1-fluorocycloheptyl)methanamine;hydrochloride (CAS 1783716-97-1)
- Chromane Related Compound 1 (CAS 88772-48-9)
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