3-(3-Chloro-4-fluorobenzenesulfonyl)-8-methoxy-2H-chromen-2-one CAS 866346-83-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 866346-83-0 |
| Molecular Formula | C16H10ClFO5S |
| Molecular Weight | 368.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3-Chloro-4-fluorobenzenesulfonyl)-8-methoxy-2H-chromen-2-one (CAS 866346-83-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H10ClFO5S. Molecular weight: 368.76 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H10ClFO5S |
| Molecular Weight | 368.76 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 | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Trioctylsilane (CAS 18765-09-8)
- 2-(4-Chlorophenyl)-7-fluoro-4-(4-fluorophenyl)phthalazin-1(2H)-one (CAS 161716-20-7)
- 1-((1-(Hydroxymethyl)cyclopropyl)methyl)-3-(naphthalen-1-ylmethyl)urea (CAS 1257548-86-9)
- Methyl 4-chloro-1H-pyrrolo[2,3-β]pyridine-2-carboxylate (CAS 871583-23-2)
- 3,4,6-Trimethyl-1H-pyrazolo[4,3-c]pyridine (CAS 53946-84-2)
- (2-Nitrophenyl)(4-nitrophenyl)methanone (CAS 79172-41-1)
- (3-Chlorophenyl)(piperidin-1-yl)methanone (CAS 26163-39-3)
- 4-Ethoxy-2-methyl-6-(4-(propylsulfonyl)piperazin-1-yl)pyrimidine (CAS 946271-58-5)
- Semaglutide Impurity 133 (CAS CATO-C4X-2226133)
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