2,5-Dihydroxy-9H-xanthen-9-one CAS 35040-32-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 35040-32-5 |
| Molecular Formula | C13H8O4 |
| Molecular Weight | 228.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Dihydroxy-9H-xanthen-9-one (CAS 35040-32-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H8O4. Molecular weight: 228.20 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H8O4 |
| Molecular Weight | 228.20 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
Related Dihydroxy Standards
- 3,4-Dihydroxy-6H-dibenzo[b,d]pyran-6-one (CAS 131086-92-5)
- 8,9-Dihydroxy-6H-benzo[c]chromen-6-one (CAS 146776-29-6)
- 1,5-Dihydroxy-9H-xanthen-9-one (CAS 14686-65-8)
- 4,8-Dihydroxy-6H-benzo[c]chromen-6-one (CAS 1601489-88-6)
- 1,8-Dihydroxy-9H-xanthen-9-one (CAS 17624-02-1)
- 2,2-Dihydroxy-1H-phenalene-1,3(2H)-dione (CAS 18931-20-9)
- 1,3-dihydroxy-9H-xanthen-9-one (CAS 3875-68-1)
- 2,2-Dihydroxy-1H-benz[F]indene-1,3(2H)-dione, Hydrate (CAS 38627-57-5)
Recommended Standards
- 2-{[(tert-Butoxy)carbonyl]amino}-1,3-oxazole-5-carboxylic acid (CAS 903094-60-0)
- 2,2-Difluoro-1',4',6',7'-tetrahydrospiro[cyclopropane-1,5'-indazole]-3'-carboxylic acid (CAS 2060591-43-5)
- 2′-Deoxy-β-L-uridine (CAS 31501-19-6)
- 2-((7-Chloro-4-nitrobenzo[c][1,2,5]oxadiazol-5-yl)amino)ethyl propionate (CAS 705952-09-6)
- 2-Bromo-8-hydroxypyrido[3,2-d]pyrimidine-7-carboxylic acid (CAS 1098588-17-0)
- Lefamulinum Impurity 43 (CAS CATO-C4X-304743)
- (3-Chlorophenyl)methanesulfonamide (CAS 89782-88-7)
- 5-[2,5-Bis(2,2,2-trifluoroethoxy)phenyl]-1-phenyl-1H-1,2,4-triazole (CAS 400079-89-2)
- 6-Methoxy-2-(tributylstannyl)nicotinaldehyde (CAS 2265921-90-0)
- Lixisenatide (CAS 320367-13-3)
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