3-((4-Chlorophenyl)sulfonyl)-7-hydroxy-2H-chromen-2-one CAS 861520-20-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 861520-20-9 |
| Molecular Formula | C15H9ClO5S |
| Molecular Weight | 336.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-((4-Chlorophenyl)sulfonyl)-7-hydroxy-2H-chromen-2-one (CAS 861520-20-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C15H9ClO5S. Molecular weight: 336.75 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H9ClO5S |
| Molecular Weight | 336.75 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
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- Methyl 2-(4-chlorophenyl)-7-hydroxy-3-oxo-2,3-dihydrothieno[3,2-c]pyridazine-6-carboxylate (CAS 338405-40-6)
- 3-(4-Chlorophenyl)-3-(4-hydroxyphenyl)isobenzofuran-1(3H)-one (CAS 116143-36-3)
- 3-(4-Chlorophenyl)-4-(1-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione (CAS 125313-99-7)
- 2-((4-Chlorophenyl)sulfonyl)-3-((3-fluorophenyl)amino)prop-2-enenitrile (CAS 882255-74-5)
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Recommended Standards
- 2-(1,3,4-Oxadiazol-2-yl)phenyl 4-chlorobenzene-1-sulfonate (CAS 240115-64-4)
- 5-({1-[(2-chloro-1,3-thiazol-5-yl)methyl]-1H-pyrrol-2-yl}methylidene)-1,3-diazinane-2,4,6-trione (CAS 866131-57-9)
- 7-Chloro-1-(phenylsulfonyl)-1H-pyrrolo[3,2-b]pyridine-2-carboxylic acid (CAS 2231672-82-3)
- 1-(4-Chlorobenzoyl)-2-methylpiperazine (CAS 1240565-53-0)
- Z-Ser(Tos)-OMe (CAS 1492-52-0)
- Quercetin-3 '- O-glucuronide (CAS 328006-77-5)
- (Z)-2-(benzo[c][1,2,5]oxadiazol-5-yloxy)-N'-hydroxyacetimidamide (CAS 690632-81-6)
- 2-(4-Amino-1h-pyrazol-1-yl)-N-ethylacetamide (CAS 1152939-93-9)
- Methyl 4-chloro-6-oxo-1-(3-(trifluoromethyl)phenyl)-1,6-dihydropyridazine-3-carboxylate (CAS 129109-18-8)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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