2,3-Dimethoxy-9H-xanthen-9-one CAS 42833-49-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42833-49-8 |
| Molecular Formula | C15H12O4 |
| Molecular Weight | 256.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dimethoxy-9H-xanthen-9-one (CAS 42833-49-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H12O4. Molecular weight: 256.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H12O4 |
| Molecular Weight | 256.25 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
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Recommended Standards
- 2-(Naphthalen-1-yl)-5-oxotetrahydrofuran-3-carboxylic acid (CAS 412012-16-9)
- 2,5-Difluoro-3-(1,3-dioxan-2-yl)propiophenone (CAS 884504-26-1)
- 2-(Benzo[d][1,3]dioxol-5-ylmethoxy)benzaldehyde (CAS 842957-76-0)
- 5-Sulfamoylthiophene-2-carboxylic acid (CAS 7353-87-9)
- (3-(1-(4-(2-((tert-Butyldimethylsilyl)oxy)ethyl)piperazin-1-yl)ethyl)phenyl)boronic acid (CAS 1704097-03-9)
- N,N-dimethyl-4-(((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)amino)benzenesulfonamide (CAS 305368-06-3)
- 2-(2,4-Dichlorophenyl)-3-(ethylsulfonyl)-1H-pyrrole (CAS 1707568-03-3)
- 3-(1H-Imidazol-2-yl)-1,2,4,5-tetrazine (CAS 927200-13-3)
- 2-Chloro-N-(4-(morpholinosulfonyl)phenyl)acetamide (CAS 35959-60-5)
- Liraglutide (14-31)TFA Salt (CAS CATO-C4X-19927)
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