(E)-[(5-{[(2-chlorophenyl)methyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino 2-chlorobenzoate CAS 321553-56-4
| CAS No. | 321553-56-4 |
| Molecular Formula | C20H14Cl2F3N3O2S |
| Molecular Weight | 488.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-[(5-{[(2-chlorophenyl)methyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino 2-chlorobenzoate 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.
(E)-[(5-{[(2-chlorophenyl)methyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino 2-chlorobenzoate (CAS 321553-56-4) is a high-purity analytical reference standard with the molecular formula C20H14Cl2F3N3O2S and a molecular weight of 488.31 g/mol.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, (E)-[(5-{[(2-chlorophenyl)methyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino 2-chlorobenzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 488.31 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.
Physical & Chemical Properties
| Molecular Formula | C20H14Cl2F3N3O2S |
| Molecular Weight | 488.31 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 | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related E Standards
- 2-(4-(2-Chlorophenyl)-4-methyl-2,5-dioxoimidazolidin-1-yl)-N-(4-phenoxyphenyl)acetamide (CAS 852902-01-3)
- 3-(2-Chlorophenyl)-4-((3,5-dibromo-2-hydroxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-46-5)
- 3-(3-Chlorophenyl)-4-((3,5-dibromo-2-hydroxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-34-4)
- 4-(4-(4-Chlorophenyl)-2-(2-phenylhydrazono)thiazol-3(2H)-yl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 402945-96-4)
- N-(4-chlorophenyl)-2-((3-cyano-6-(4-fluorophenyl)-4-(p-tolyl)pyridin-2-yl)thio)acetamide (CAS 332177-63-6)
- N-(4-(4-((4-chlorophenyl)sulfonyl)piperazin-1-yl)-3-fluorophenyl)-4-methylbenzamide (CAS 439111-74-7)
- (E)-[(2-{[(4-chlorophenyl)methyl]sulfanyl}quinolin-3-yl)methylidene][(2,4-dichlorophenyl)methoxy]amine (CAS 478079-33-3)
- (E)-[(2-{[(4-chlorophenyl)methyl]sulfanyl}quinolin-3-yl)methylidene][(2,6-dichlorophenyl)methoxy]amine (CAS 478079-38-8)
Recommended Standards
- 6-Chloro-1-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-3-morpholinoquinoxalin-2(1H)-one (CAS 303986-20-1)
- (E)-[1-(5-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methyl}thiophen-2-yl)ethylidene]amino N-(4-chlorophenyl)carbamate (CAS 321432-66-0)
- 2-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperidin-4-ylidene}-N-{[(4-chlorophenyl)carbamoyl]amino}acetamide (CAS 321430-53-9)
- (E)-5-((4-chlorobenzyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(2-chlorobenzoyl) oxime (CAS 321553-49-5)
- 3-Ethyl-5-methyl-1H-indole-2-carboxylic acid (CAS 446830-65-5)
- Dl-val-leu-argp-nitroanilideacetatesalt (CAS 117961-23-6)
- (S)-ethyl 4-fluoro-4-methyl-2-(pent-4-enamido)pentanoate (CAS 848949-92-8)
- N,N-Dimethyl-2-(3-phenyl-1H-inden-2-yl)ethan-1-amine hydrobromide (CAS 20845-65-2)
- (2-Methylquinolin-5-yl)boronic acid (CAS 628692-16-0)
- Benzyl 3-(tosyloxy)pyrrolidine-1-carboxylate (CAS 188846-98-2)
- 7-(3-(Chlorodimethylsilyl)propoxy)-4-methyl-2H-chromen-2-one (CAS 129119-77-3)
- 1-(2,3-Dihydro-1H-inden-2-yl)pyrrolidine-3-carboxylic acid (CAS 1491810-95-7)
- 2-(4-Methylpiperidin-1-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine (CAS 1110986-54-3)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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