2,5-Dihydroxy-1-methoxy-9H-xanthen-9-one CAS 173220-32-1
| CAS No. | 173220-32-1 |
| Molecular Formula | C14H10O5 |
| Molecular Weight | 258.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H10O5, 2,5-Dihydroxy-1-methoxy-9H-xanthen-9-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2,5-Dihydroxy-1-methoxy-9H-xanthen-9-one (CAS 173220-32-1), molecular formula C14H10O5 and molecular weight 258.23 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,5-Dihydroxy-1-methoxy-9H-xanthen-9-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H10O5 |
| Molecular Weight | 258.23 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
Related Dihydroxy Standards
- 1,3-Dihydroxy-5-methoxy-9H-xanthen-9-one (CAS 6563-47-9)
- 1,7-Dihydroxy-4-methoxy-9H-xanthen-9-one (CAS 87339-76-2)
- 3,4-Dihydroxy-2-methoxy-9H-xanthen-9-one (CAS 6702-55-2)
- 3-((4,6-Dihydroxy-5-isopropylpyrimidin-2-yl)thio)propanoic acid (CAS 337499-88-4)
- 6-Benzyl-2,4-dihydroxy-5,6-dihydro-7H-pyrrolo[3,4-d]pyrimidin-7-one (CAS 19068-66-7)
- 1,3-Dihydroxy-7-methoxyacridin-9(10H)-one (CAS 612541-98-7)
- 1,7-Dihydroxy-3-methoxyacridin-9(10H)-one (CAS 612541-97-6)
- 7,4’-Dihydroxy-8-methylflavan (CAS 82925-55-1)
Recommended Standards
- 2,5-Dioxopyrrolidin-1-yl 1H-indole-4-carboxylate (CAS 1707737-27-6)
- Bis(3,5-difluorophenyl)sulfane (CAS 1801970-32-0)
- 5-Nitro-2-(phenylamino)benzoic acid (CAS 16927-50-7)
- 4,4-Dinitrodiphenylmethane (CAS 1817-74-9)
- Benzyl spiro[indoline-3,4'-piperidine]-1-carboxylate (CAS 167483-91-2)
- 4-Ethoxypentan-1-amine (CAS 1250344-72-9)
- 487058-91-3 5-Chloro-1-(4-iodophenyl)pentan-1-one DTXSID60622000 (CAS 487058-91-3)
- (2R,5S)-rel-1-Ethyl-2,5-dimethylpiperazine (CAS 1072102-65-8)
- 2-(Tosylmethyl)tetrahydrofuran (CAS 129532-93-0)
- 8-Benzyl-4-(4-chlorobenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326813-08-4)
- 3-Methyl-5-(3-thienyl)-1,2,4-oxadiazole (CAS 1283108-58-6)
- Loureirin C (CAS 116384-24-8)
- benzyl trans-N-(4-azidocyclohexyl)carbamate (CAS 149423-76-7)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
Why CATO?
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