4-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid CAS 177594-45-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 177594-45-5 |
| Molecular Formula | C20H12O5 |
| Molecular Weight | 332.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 177594-45-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H12O5. Molecular weight: 332.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 2007 |
Related Hydroxy Standards
- 2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 518-45-6)
- 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
- 3-(3,4-Dimethoxyphenyl)-5-[3-(2-methoxyethyl)-1,2,4-oxadiazol-5-yl]-1,2,4-oxadiazole (CAS 1775330-85-2)
- 3-Oxo-6-(2-phenylpyrazolo[1,5-a]pyridin-3-yl)-2,3-dihydropyridazine-4-carboxylic acid (CAS 195826-99-4)
- Desidustat (CAS 1616690-16-4)
- 5-Methoxy-6,7-dimethylbenzofuran (CAS 35355-35-2)
- 2,7-dimethylimidazo[1,2-a]pyridine-3-carboxylic acid (CAS 81438-53-1)
- 3-(2,4-Dibromophenoxy)piperidine hydrochloride (CAS 1220033-31-7)
- 4,5-Dibromo-2-iodotoluene (CAS 1160574-02-6)
- 3-(3,5-dibromo-1H-1,2,4-triazol-1-yl)-2-butanone (CAS 320424-38-2)
- 4-Chloropyrido[3,4-d]pyridazine (CAS 162022-93-7)
- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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 13829788188 / jacky.chen@cato-chem.com