27393-39-1 9H-xanthene-1,3,6,8-tetrol DTXSID40319749 CAS 27393-39-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 27393-39-1 |
| Molecular Formula | C13H10O5 |
| Molecular Weight | 246.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
27393-39-1 9H-xanthene-1,3,6,8-tetrol DTXSID40319749 (CAS 27393-39-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10O5. Molecular weight: 246.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10O5 |
| Molecular Weight | 246.22 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
Related H Standards
- 9H-Xanthene-9-carbonyl chloride (CAS 26454-53-5)
- 9H-xanthene-9-carbohydrazide (CAS 5484-20-8)
- 9-Oxo-xanthene-2-carboxylic Acid Methyl Ester (CAS 42946-50-9)
- 9H-xanthene-2-carboxylic acid (CAS 40274-68-8)
- 9H-xanthene-9-carboxamide (CAS 5813-90-1)
- 9H-Xanthene-3,6-diol (CAS 102914-73-8)
- 9H-Xanthene-9-thione (CAS 492-21-7)
- 9H-xanthene-3,6-diamine (CAS 199116-57-9)
Recommended Standards
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- N-Benzyl-4-nitro-1H-pyrazole-3-carboxamide (CAS 405278-65-1)
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- N1-(sec-Butyl)-N2-(2-(sec-butylamino)ethyl)ethane-1,2-diamine (CAS 10524-43-3)
- 2-Formyl-3-methylbutanenitrile (CAS 771510-15-7)
- 6-Mercapto-1,2,4-triazine-3,5(2H,4H)-dione (CAS 4956-13-2)
- Bis(4-isopropylphenyl)amine (CAS 63451-41-2)
- 10-(Diphenylphosphino)decanoic acid (CAS 79849-58-4)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
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