Ethyl 4-(3-((2,4-dichlorophenyl)sulfonamido)phenoxy)-2-(methylthio)pyrimidine-5-carboxylate CAS 478065-36-0
| CAS No. | 478065-36-0 |
| Molecular Formula | C20H17Cl2N3O5S2 |
| Molecular Weight | 514.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Ethyl 4-(3-((2,4-dichlorophenyl)sulfonamido)phenoxy)-2-(methylthio)pyrimidine-5-carboxylate (CAS 478065-36-0), molecular formula C20H17Cl2N3O5S2 and molecular weight 514.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 4-(3-((2,4-dichlorophenyl)sulfonamido)phenoxy)-2-(methylthio)pyrimidine-5-carboxylate (C20H17Cl2N3O5S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 514.40 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Ethyl 4-(3-((2,4-dichlorophenyl)sulfonamido)phenoxy)-2-(methylthio)pyrimidine-5-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C20H17Cl2N3O5S2 |
| Molecular Weight | 514.40 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Ethyl Standards
- 4-(2,4-Dichlorophenyl)-2-(4-methoxyphenoxy)-6-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 341965-00-2)
- (E)-[(2,4-Dichlorophenyl)methoxy]({[3-nitro-4-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)phenyl]methylidene})amine (CAS 303996-14-7)
- (E)-[(2,6-Dichlorophenyl)methoxy]({[3-nitro-4-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)phenyl]methylidene})amine (CAS 303996-13-6)
- (E)-[(3,4-Dichlorophenyl)methoxy]({[3-nitro-4-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)phenyl]methylidene})amine (CAS 303996-12-5)
- (3Z)-2-{[(2,6-dichlorophenyl)methyl]sulfanyl}-3-[2-(2,4,6-trichlorophenyl)hydrazin-1-ylidene]-3H-indole (CAS 478042-17-0)
- 6-(2,6-Dichlorophenyl)-2-((4-(2-(diethylamino)ethoxy)phenyl)amino)-8-methylpyrido[2,3-d]pyrimidin-7(8H)-one (CAS 185039-89-8)
- N-[2-[6-[[(3,4-Dichlorophenyl)methyl]amino]-2-(4-methoxyphenyl)-3-oxopyrido[2,3-β]pyrazin-4(3H)-yl]ethyl]-acetamide (CAS 1018674-83-3)
- N-(2,3-Dichlorophenyl)-2-{[3-({[(2,3-dichlorophenyl)carbamoyl]methyl}sulfanyl)propyl]sulfanyl}acetamide (CAS 301193-94-2)
Recommended Standards
- 2,4-Dinitrophenyl β-D-Galactoside Tetraacetate (CAS 25775-99-9)
- Ethyl 5-(4-nitrobenzamido)-3-[2-(4-nitrobenzoyloxy)ethoxy]-1,2-oxazole-4-carboxylate (CAS 303997-09-3)
- (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2,4-dinitrophenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 77516-86-0)
- Tetraethyl[4,4'-bibenzo[d][1,3]dioxole]-5,5'-diylbis(phosphonate) (CAS 255042-46-7)
- 3-(2,4-Dimethylphenyl)-4-methylpropiophenone (CAS 898793-57-2)
- (4-Propoxyphenyl)(pyridin-3-yl)methanone (CAS 1187171-47-6)
- 2-Bromo-6-chloro-N-methylpyridin-3-amine (CAS 1256836-74-4)
- 2-(5-Chloro-2-fluoro-4-nitrophenyl)-3,4-dihydronaphthalen-1(2H)-one (CAS 1451449-38-9)
- 4-Bromobenzenesulfonyl Chloride-d (CAS 133872-23-8)
- 1-Phenylcyclohexan-1-amine Hydrochloride (CAS 1934-71-0)
- (1S,2R,5R)-3-azabicyclo[3.2.0]Heptane-2-carboxylic acid (CAS 77859-21-3)
- 3-(Phenylamino)-2,3-dihydrothiophene 1,1-dioxide (CAS 39565-69-0)
- tert-Butyl 2-methyl-3-[(pentan-3-yl)amino]propanoate (CAS 1221342-45-5)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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