2-((4-Chlorophenyl)amino)-4,9-dioxo-4,9-dihydronaphtho[2,3-b]thiophene-3-carboxylic acid CAS 1258637-95-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1258637-95-4 |
| Molecular Formula | C19H10ClNO4S |
| Molecular Weight | 383.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-((4-Chlorophenyl)amino)-4,9-dioxo-4,9-dihydronaphtho[2,3-b]thiophene-3-carboxylic acid (CAS 1258637-95-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H10ClNO4S. Molecular weight: 383.81 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H10ClNO4S |
| Molecular Weight | 383.81 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 1-{3-[4-(4-chlorophenyl)piperazin-1-yl]-5-(trifluoromethyl)pyridin-2-yl}ethan-1-one (CAS 900015-68-1)
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(2,4,5-trifluorophenyl)acetamide (CAS 303091-66-9)
- 5-((4-Chlorophenyl)thio)-N-(2,4-difluorophenyl)-1,2,3-thiadiazole-4-carboxamide (CAS 338791-90-5)
- Ethyl 3-(((4-chlorophenyl)sulfonyl)methyl)-4-nitrobenzoate (CAS 339101-60-9)
- methyl 5-[3-(4-chlorophenyl)-3-oxo-1-propenyl]-1-(4-fluorophenyl)-1H-2-pyrrolecarboxylate (CAS 259089-87-7)
- 1-(4-Chlorophenyl)-3-(2-((6-(pyridin-4-ylamino)pyridazin-3-yl)amino)ethyl)urea (CAS 1021039-13-3)
- 2-(4-(3-(4-Chlorophenyl)-1H-pyrazol-5-yl)piperidin-1-yl)-3-nitropyridine (CAS 1030856-25-7)
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Recommended Standards
- 2-Amino-1-(1-aza-2-(2-(4-chlorophenylthio)-5-nitrophenyl)vinyl)ethene-1,2-dicarbonitrile (CAS 1024763-94-7)
- 2-(4-((4-Chloro-2-nitrophenyl)sulfonyl)piperazin-1-yl)pyrimidine (CAS 866153-27-7)
- Cefaclor Impurity 20 (CAS CATO-C4X-127020)
- 1,4-Diethynyl-2-nitrobenzene (CAS 113639-27-3)
- tert-Butyl 4,4-difluoro-5-(((trifluoromethyl)sulfonyl)oxy)pentanoate (CAS 1782101-26-1)
- cis-3-fluorooxan-4-amine (CAS 1631027-04-7)
- N-(tert-Butyl)-4-(methylthio)-1,3,5-triazin-2-amine (CAS 109202-19-9)
- tert-Butyl 4-(1-oxo-1,2-dihydroisoquinolin-6-yloxy)piperidine-1-carboxylate (CAS 1982780-61-9)
- 3-[(tert-Butoxy)carbonyl]bicyclo[1.1.1]pentane-1-carboxylic acid (CAS 1638765-30-6)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
Why CATO?
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