Methyl 3-(((3-oxo-2-(4-(trifluoromethoxy)phenyl)-5-(trifluoromethyl)-2,3-dihydro-1H-pyrazol-4-yl)methylene)amino)thiophene-2-carboxylate CAS 338403-30-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338403-30-8 |
| Molecular Formula | C18H11F6N3O4S |
| Molecular Weight | 479.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-(((3-oxo-2-(4-(trifluoromethoxy)phenyl)-5-(trifluoromethyl)-2,3-dihydro-1H-pyrazol-4-yl)methylene)amino)thiophene-2-carboxylate (CAS 338403-30-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H11F6N3O4S. Molecular weight: 479.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H11F6N3O4S |
| Molecular Weight | 479.35 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4'-(3,4-Dichlorophenyl)-1'-methyl-1'',2,2'',4-tetrahydrodispiro[1-benzopyran-3,3'-pyrrolidine-2',3''-indole]-2'',4-dione (CAS 1797910-69-0)
- N-[5-(4-Bromophenyl)-6-(2-hydroxyethoxy)-4-pyrimidinyl]-N'-(phenylmethyl)sulfamide (CAS 441796-08-3)
- 4'-(2,4-Dichlorophenyl)-1'-methyldispiro[chromane-3,3'-pyrrolidine-2',3''-indoline]-2'',4-dione (CAS 1212332-83-6)
- 4-(1,3-Dioxolan-2-yl)-2-fluorobenzoic acid (CAS 936551-94-9)
- (Cyclopropylmethyl)[3-(1H-imidazol-1-yl)propyl]amine (CAS 290328-47-1)
- 6-Chloro-1-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-3-((furan-2-ylmethyl)amino)quinoxalin-2(1H)-one (CAS 303986-19-8)
- 2-(Benzyloxy)-1-methoxy-4-nitrobenzene (CAS 75167-86-1)
- 1-{5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl}-2-chloroethan-1-one (CAS 1351478-05-1)
- 5-Bromo-7-(difluoromethoxy)-1H-indole (CAS 1707572-78-8)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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