3-Hydroxy-9H-xanthen-9-one CAS 3722-51-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3722-51-8 |
| Molecular Formula | C13H8O3 |
| Molecular Weight | 212.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
3-Hydroxy-9H-xanthen-9-one (CAS 3722-51-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H8O3. Molecular weight: 212.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H8O3 |
| Molecular Weight | 212.20 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.) | 1958 |
Related Hydroxy Standards
Recommended Standards
- 3-Dibenzofurancarboxylic Acid (CAS 29021-91-8)
- 3-Methoxy-4-(methoxymethoxy)benzoic acid (CAS 5533-02-8)
- 3-Butyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid (CAS 77695-84-2)
- 1H,4H,5H,6H,7H-[1,2,3]triazolo[4,5-b]pyridine (CAS 1125405-40-4)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-7-thiaspiro[3.5]nonane 7,7-dioxide (CAS 2706615-24-7)
- 4-(Cyclopropylmethyl)-1,4-diazepan-5-one hydrochloride (CAS 1401425-42-0)
- 6-Bromo-4-chloro-3-iodo-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-68-0)
- Isoxazolo[5,4-b]quinolin-3-amine (CAS 111043-13-1)
- 4-(Methylamino)-6-morpholino-1,3,5-triazine-2-carboxylic acid (CAS 585557-38-6)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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