3',6'-Dihydroxy-5-mercapto-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one CAS 84461-60-9
| CAS No. | 84461-60-9 |
| Molecular Formula | C20H12O5S |
| Molecular Weight | 364.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 364.37 g/mol gives 3',6'-Dihydroxy-5-mercapto-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3',6'-Dihydroxy-5-mercapto-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 84461-60-9), molecular formula C20H12O5S and molecular weight 364.37 g/mol, is a CATO reference standard with documented purity and traceability.
3',6'-Dihydroxy-5-mercapto-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (C20H12O5S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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 3',6'-Dihydroxy-5-mercapto-3H-spiro[isobenzofuran-1,9'-xanthen]-3-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 | C20H12O5S |
| Molecular Weight | 364.37 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-3-4-6-Tetra-O-acetyl-β-D-thioglucopyranose (CAS 19879-84-6)
- Methyl 4-[(2-methoxy-2-oxoethyl)sulfanyl]-1-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazine-3-carboxylate (CAS 338396-09-1)
- 2-3-4-6-Tetra-O-acetyl-β-D-thiogalactopyranose (CAS 50615-66-2)
- Methyl N-[(4-methylphenyl)sulfonyl]-N-(3-nitrophenyl)glycinate (CAS 884986-15-6)
- 5-(4-Methylthiazol-5-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1343946-84-8)
- 5-(Aminomethyl)-N-cyclopropyl-3-methylpyridin-2-amine (CAS 1355200-78-0)
- Tert-butyl 4-(((2,4-dichloropyrimidin-5-yl)methoxy)methyl)piperidine-1-carboxylate (CAS 1420844-25-2)
- N-(2-Aminoethyl)-N-ethyl-m-toluidine (CAS 19248-13-6)
- 3-(1H-indol-3-yl)propanehydrazide (CAS 20401-90-5)
- 2-(1H-Indol-1-yl)benzonitrile (CAS 25699-90-5)
- (2-ethoxypropyl)[(3-methyloxetan-3-yl)methyl]amine (CAS 1600165-70-5)
- Benzyl (tert-butoxycarbonyl)-D-serinate (CAS 141527-78-8)
- 5-Amino-1-(3-chloro-2-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1416344-69-8)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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