2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid CAS 518-45-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 518-45-6 |
| Molecular Formula | C20H12O5 |
| Molecular Weight | 332.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 518-45-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H12O5. Molecular weight: 332.31 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H12O5 |
| Molecular Weight | 332.31 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Hydroxy Standards
- 4-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 177594-45-5)
- 3-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 30468-06-5)
- 1-Hydroxy-2,3,4,7-tetramethoxyxanthone (CAS 14103-09-4)
- 6-Hydroxy-1,2,3,7-tetramethoxy-9H-xanthen-9-one (CAS 64756-87-2)
- Methyl 7-hydroxy-2-(4-methoxyphenyl)-3-oxo-2,3-dihydrothieno[3,2-c]pyridazine-6-carboxylate (CAS 338395-83-8)
- 7-Hydroxy-N-(3-(trifluoromethyl)-phenyl)quinoline-4-carboxamide (CAS 1624261-38-6)
- 2-Hydroxy-N-(3-(trifluoromethyl)-phenyl)quinoline-5-carboxamide (CAS 1624262-32-3)
- Methyl 4-hydroxy-1-((3-(trifluoromethyl)phenyl)carbamoyl)pyrrolidine-2-carboxylate (CAS 318247-30-2)
Recommended Standards
- 2-(2,6-dioxo-3-piperidyl)-5-(3-hydroxypropoxy)isoindoline-1,3-dione (CAS 2476318-89-3)
- 2-[(6-{[(3-methoxyphenyl)methyl]amino}-3-nitropyridin-2-yl)amino]acetic acid (CAS 329700-21-2)
- 2-(2,6-dioxo-3-piperidyl)-4-(3-hydroxypropoxy)isoindoline-1,3-dione (CAS 2416740-42-4)
- 2-((4-Hydroxypiperidin-1-yl)methyl)isoindoline-1,3-dione (CAS 923125-60-4)
- 3-((4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)piperidine hydrochloride (CAS 2365173-95-9)
- 2-(4-(2-(4-(2-Aminoethyl)phenoxy)ethyl)piperazin-1-yl)ethan-1-ol (CAS 1157004-09-5)
- Febuxostat Impurity 84 (CAS 2428631-65-4)
- 1171641-84-1 2-(Isopropylthio)-4-morpholin-4-ylquinazoline-7-carboxylic acid MFCD14281858 (CAS 1171641-84-1)
- Ethyl 5-amino-1-(4-ethyl-6-hydroxypyrimidin-2-yl)-1h-pyrazole-4-carboxylate (CAS 1176524-32-5)
- Insulin Degludec Impurity 26 (CAS CATO-C4X-215726)
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