4-((4-(4-Chlorophenoxy)phenylthio)methyl)tetrahydro-2H-pyran-4-carboxylic acid CAS 193021-78-2
| CAS No. | 193021-78-2 |
| Molecular Formula | C19H19ClO4S |
| Molecular Weight | 378.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-((4-(4-Chlorophenoxy)phenylthio)methyl)tetrahydro-2H-pyran-4-carboxylic acid is closely related to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-((4-(4-Chlorophenoxy)phenylthio)methyl)tetrahydro-2H-pyran-4-carboxylic acid (CAS 193021-78-2) is a high-purity analytical reference standard with the molecular formula C19H19ClO4S and a molecular weight of 378.87 g/mol.
Based on its molecular formula C19H19ClO4S, 4-((4-(4-Chlorophenoxy)phenylthio)methyl)tetrahydro-2H-pyran-4-carboxylic acid contains a flavonoid core, 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 378.87 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 4-((4-(4-Chlorophenoxy)phenylthio)methyl)tetrahydro-2H-pyran-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H19ClO4S |
| Molecular Weight | 378.87 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Methyl 2-(chlorosulfonyl)-3-methylbenzoate (CAS 126535-26-0)
- Ethyl 2-(2-isopropyl-5-methylphenoxy)acetate (CAS 65101-72-6)
- N-(4-Fluorobenzyl)cyanamide (CAS 1255147-62-6)
- 5-(3-Fluorophenyl)-1-oxo-1λ4-thiomorpholine-3-carboxylic acid (CAS 1560915-38-9)
- Methyl 6-methoxy-2-(2-methoxy-2-oxoethyl)nicotinate (CAS 766548-58-7)
- 2-Methoxy-5-phenylpyridine-4-carboxaldehyde (CAS 1227582-94-6)
- (S)-2-(5-fluoro-2-(trifluoromethyl)phenyl)pyrrolidine (CAS 1213381-50-0)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
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