Ethyl 4-[(4-chloroanilino)methylene]-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate CAS 251307-03-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 251307-03-6 |
| Molecular Formula | C15H15ClN2O3 |
| Molecular Weight | 306.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 4-[(4-chloroanilino)methylene]-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylate (CAS 251307-03-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H15ClN2O3. Molecular weight: 306.74 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H15ClN2O3 |
| Molecular Weight | 306.74 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 2-{[(3-chloroanilino)carbonyl]amino}-4,6-dimethylnicotinamide (CAS 338975-93-2)
- 2-{[(4-chloroanilino)carbonyl]amino}-4,6-dimethylnicotinamide (CAS 338975-94-3)
- 3-[2-(4-Chloroanilino)-1-nitrovinyl]-2-benzofuran-1(3H)-one (CAS 338753-94-9)
- Ethyl 2-{[(4-chloroanilino)carbothioyl]amino}acetate (CAS 321433-76-5)
- Methyl 3-{[(3-chloroanilino)carbonyl]amino}-3-(3-fluorophenyl)propanoate (CAS 439121-10-5)
- Ethyl 2-({5-[(4-chloroanilino)carbonyl]-2-pyridinyl}sulfanyl)acetate (CAS 339030-28-3)
- 2-[(2-chloroanilino)methylidene]-4,4,4-trifluoro-1-(2-thienyl)butane-1,3-dione (CAS 332055-63-7)
- 2-(2-chloroanilino)-N-(2,4-dichlorophenyl)-2-oxoethanehydrazonoyl chloride 2-[(2-chlorophenyl)amino]-N-(2,4-dichlorophenyl)-2-oxidanylidene-ethanehydrazonoyl chloride 861322-29-4 A841568 (CAS 861322-29-4)
Recommended Standards
- Ethyl 1-benzyl-5-chloro-4-(2-oxoethyl)-1H-pyrazole-3-carboxylate (CAS 2095516-89-3)
- Isopropyl 2-(3-(4-chlorophenyl)-6-oxopyridazin-1(6H)-yl)acetate (CAS 853330-24-2)
- 7-Chloro-2-(naphthalen-2-yl)-4H-chromen-4-one (CAS 942079-77-8)
- N-Ethyl-4-nitro-N-phenylbenzamide (CAS 38909-96-5)
- 1-Methyl-7-nitroindoline (CAS 221313-72-0)
- Methyl 5-methyl-4,5-dihydro-1H-pyrazole-1-carboxylate (CAS 96632-56-3)
- 4,5-Dichloro-3(2H)-pyridazinone (CAS 932-22-9)
- 2-Propenoic acid, 2-methyl-, methyl ester, polymer with 1,3-butadiene, ethenylbenzene and 2-propenenitrile (CAS 9010-94-0)
- Spiro[3.3]Heptan-2-ylmethanamine hydrochloride (CAS 1803566-88-2)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
Why CATO?
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