3-((4-Chlorophenyl)thio)-1-(4-methoxyphenyl)-3-(4-(methylthio)phenyl)propan-1-one CAS 303091-30-7
| CAS No. | 303091-30-7 |
| Molecular Formula | C23H21ClO2S2 |
| Molecular Weight | 428.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 428.99 g/mol gives 3-((4-Chlorophenyl)thio)-1-(4-methoxyphenyl)-3-(4-(methylthio)phenyl)propan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-((4-Chlorophenyl)thio)-1-(4-methoxyphenyl)-3-(4-(methylthio)phenyl)propan-1-one (CAS 303091-30-7), molecular formula C23H21ClO2S2 and molecular weight 428.99 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 3-((4-Chlorophenyl)thio)-1-(4-methoxyphenyl)-3-(4-(methylthio)phenyl)propan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 428.99 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C23H21ClO2S2 |
| Molecular Weight | 428.99 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chlorophenyl Standards
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Recommended Standards
- 7-Bromo-1-(2,5-dibromophenyl)heptan-1-ol (CAS 1956386-21-2)
- Clindamycin-13C-d3 (CAS 2140264-63-5)
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- 2,2'-(3-Bromo-4-methylthiophene-2,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 1256360-34-5)
- 1,1'-(Propane-1,3-diyl)bis(pyrrolidin-2-one) (CAS 48149-56-0)
- Bis(diethylamino)phosphoryl chloride 1794-24-7 BIS(DIETHYLAMINO)PHOSPHINOYL CHLORIDE;BIS(DIETHYLAMINO)PHOSPHOCHLORIDATE;BIS(DIETHYLAMINO)PHOSPHOROCHLORIDATE;BIS(DIETHYLAMINO)PHOSPHORYL CHLORIDE GC10187 (CAS 1794-24-7)
- (3-Cyclopropoxy-4-ethylphenyl)(methyl)sulfane (CAS 1243402-88-1)
- 3-Bromoindazole-7-carbonitrile (CAS 945762-00-5)
- 4-(Chloromethyl)-2-phenoxypyridine (CAS 96909-37-4)
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- 6-Ethoxy-9-ethyl-8-methyl-9H-purine (CAS 492464-38-7)
- tert-butyl 6-(bromomethyl)-3,4-dihydro-1H-isoquinoline-2-carboxylate (CAS 622867-53-2)
- 1-(Pyridazin-3-yl)cyclopropane-1-carboxylic acid (CAS 1469287-08-8)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
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