Ethyl 2-((4-(3-(4,5-dichloro-2-methylphenyl)-4,5-dihydro-1H-pyrazol-1-yl)phenyl)sulfonyl)acetate CAS 35441-14-6
| CAS No. | 35441-14-6 |
| Molecular Formula | C20H20Cl2N2O4S |
| Molecular Weight | 455.35 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.
CATO supplies Ethyl 2-((4-(3-(4,5-dichloro-2-methylphenyl)-4,5-dihydro-1H-pyrazol-1-yl)phenyl)sulfonyl)acetate (CAS 35441-14-6), a certified reference material (molecular formula C20H20Cl2N2O4S, MW 455.35 g/mol) for analytical method development and quality control.
Structurally, Ethyl 2-((4-(3-(4,5-dichloro-2-methylphenyl)-4,5-dihydro-1H-pyrazol-1-yl)phenyl)sulfonyl)acetate (C20H20Cl2N2O4S) 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 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 455.35 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Ethyl 2-((4-(3-(4,5-dichloro-2-methylphenyl)-4,5-dihydro-1H-pyrazol-1-yl)phenyl)sulfonyl)acetate 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 | C20H20Cl2N2O4S |
| Molecular Weight | 455.35 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 2-({[2,4-dichloro-5-(2-methoxyethoxy)phenyl]carbamoyl}methanesulfonyl)-N,N-diethylacetamide (CAS 341965-10-4)
- 7,9-Dichloro-2,5-bis(4-methoxyphenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303059-68-9)
- 2,2-Dichloro-N-(3,5-diiodophenyl)acetamide (CAS 1196501-25-3)
- 2,5-Dichloro-N-(4-(4-pentylcyclohexyl)phenyl)benzenesulfonamide (CAS 478041-42-8)
- 2,4-Dichloro-5-(n-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)sulfamoyl)benzoic acid (CAS 380347-78-4)
- 3,4-Dichloro-5-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-ylsulfamoyl)-benzoic acid (CAS 380349-12-2)
- 2,3-Dichloro-N-(4-(((3-(trifluoromethyl)phenyl)thio)methyl)phenyl)benzamide (CAS 338398-66-6)
- 3,4-Dichloro-N-(4-(((3-(trifluoromethyl)phenyl)thio)methyl)phenyl)benzamide (CAS 338398-65-5)
Recommended Standards
- Methyl 2-(3,4-dichlorobenzamido)-4-methyl-5-(piperidine-1-carbonyl)thiophene-3-carboxylate (CAS 335406-47-8)
- 1-{[6-chloro-2-(4-chlorophenyl)imidazo[1,2-a]pyridin-3-yl]methyl}-4-(2-fluorophenyl)piperazine (CAS 861212-36-4)
- [(E)-2-{1-[3,5-bis(trifluoromethyl)phenyl]-4-(pyridine-4-carbonyl)-1H-1,2,3-triazol-5-yl}ethenyl]dimethylamine (CAS 477858-71-2)
- (2R,3R,4R,5R)-2-[(4-chlorobenzoyloxy)methyl]-4-fluoro-5-hydroxy-4-methyloxolan-3-yl 4-chlorobenzoate (CAS 1294481-80-3)
- 1-(1H-Benzo[d]imidazol-2-yl)ethane-1-thiol (CAS 3176-70-3)
- 5-Chloro-N-ethyl-4-hydroxy-N-methylpyridine-3-sulfonamide (CAS 1352515-19-5)
- 1-Bromodibenzo[b,d]furan-2-amine (CAS 667937-51-1)
- 2-Methylquinolin-8-yl (3-chlorophenyl)carbamate (CAS 14577-78-7)
- (2-Chloro-4-(methyl(phenyl)carbamoyl)phenyl)boronic acid (CAS 2096336-96-6)
- (5-Amino-1-phenyl-1H-pyrazol-4-yl)(4-chlorophenyl)methanone (CAS 54606-38-1)
- ethyl 5-hydroxy-4-oxohexanoate (CAS 105469-27-0)
- Methyl 4-amino-1-methylcyclohexane-1-carboxylate (CAS 147905-81-5)
- Clarithromycin EP Impurity L (CAS 127253-05-8)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com