2-(4,5,6-Trihydroxy-3-oxo-3h-xanthen-9-yl)-benzoic acid CAS 518-41-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 518-41-2 |
| Molecular Formula | C20H12O7 |
| Molecular Weight | 364.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(4,5,6-Trihydroxy-3-oxo-3h-xanthen-9-yl)-benzoic acid (CAS 518-41-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H12O7. Molecular weight: 364.31 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H12O7 |
| Molecular Weight | 364.31 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 Trihydroxy Standards
- 4-(2,6,7-Trihydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 219305-27-8)
- 1,5,8-Trihydroxy-2-(p-tolylamino)anthracene-9,10-dione (CAS 61548-23-0)
- 4,7,9-Trihydroxy-1-(4-hydroxyphenyl)-6H-anthra[1,9-bc]furan-6-one (CAS 1190948-58-3)
- 3,5,7-Trihydroxy-3',4',5'-trimethoxyflavone (CAS 146132-95-8)
- 3,4',5-Trihydroxy-3',6,7-Trimethoxyflavone (CAS 578-71-2)
- 4',5,7-Trihydroxy 3,6,8-trimethoxyflavone (CAS 57393-71-2)
- 3',5,7-Trihydroxy 4',5',6-trimethoxyflavone (CAS 78417-26-2)
- 3,5,7-Trihydroxy-2-(3-hydroxy-2,2-dimethylchroman-6-yl)-4H-chromen-4-one (CAS 197304-01-1)
Recommended Standards
- 1,3-Bis[4-(trifluoromethyl)phenyl]thiourea (CAS 1744-07-6)
- [1-(Diethoxy-phosphoryl)-1-prop-2-ynyl-but-3-ynyl]-phosphonic acid diethyl ester (CAS 155801-23-3)
- F5097NG7JT 24751-69-7 Nucleocidin Nulceocidin Adenosine, 4'-C-fluoro-, 5'-sulfamate T-3018 Antibiotic T-3018 4'-C-Fluoroadenosine 5'-sulfamate 4'-Fluoro-5'-O-sulfamoyladenosine 9-(4-Fluoro-5-O-sulfamoylpentofuranosyl)adenine NSC 521007 UNII-F5097NG7JT (CAS 24751-69-7)
- Laminaritetraose (CAS 26212-72-6)
- 3-(8-Methyl-2-(p-tolyl)imidazo[1,2-a]pyridin-3-yl)acrylic acid (CAS 727652-39-3)
- Crisaborole impurity 118 (CAS CATO-C4X-2021118)
- (2s)-2-[2-(1h-1,2,3,4-tetrazol-1-yl)acetamido]propanoic acid (CAS 1103316-49-9)
- Bicyclo[3.2.1]Octane-1,5-diamine dihydrochloride (CAS 875310-91-1)
- 5-Amino-3-methoxy-1-methylpyrazole (CAS 1201935-28-5)
- Human IgE Pentapeptide HEPP (CAS 62087-72-3)
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