| CAS No. | 866137-52-2 |
| Molecular Formula | C23H22ClNO4S |
| Molecular Weight | 443.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 2-Amino-4-(4-chlorophenyl)-7,7-dimethyl-3-(phenylsulfonyl)-4,6,7,8-tetrahydro-5H-chromen-5-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.
2-Amino-4-(4-chlorophenyl)-7,7-dimethyl-3-(phenylsulfonyl)-4,6,7,8-tetrahydro-5H-chromen-5-one (CAS 866137-52-2), molecular formula C23H22ClNO4S and molecular weight 443.94 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H22ClNO4S, 2-Amino-4-(4-chlorophenyl)-7,7-dimethyl-3-(phenylsulfonyl)-4,6,7,8-tetrahydro-5H-chromen-5-one contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 443.94 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
| Molecular Formula | C23H22ClNO4S |
| Molecular Weight | 443.94 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |