Ethyl 5-(4-chlorophenyl)-4-(chlorosulfonyl)-2-methyl-1-phenyl-1H-pyrrole-3-carboxylate CAS 306936-31-2
| CAS No. | 306936-31-2 |
| Molecular Formula | C20H17Cl2NO4S |
| Molecular Weight | 438.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 5-(4-chlorophenyl)-4-(chlorosulfonyl)-2-methyl-1-phenyl-1H-pyrrole-3-carboxylate 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.
CATO supplies Ethyl 5-(4-chlorophenyl)-4-(chlorosulfonyl)-2-methyl-1-phenyl-1H-pyrrole-3-carboxylate (CAS 306936-31-2), a certified reference material (molecular formula C20H17Cl2NO4S, MW 438.32 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H17Cl2NO4S, Ethyl 5-(4-chlorophenyl)-4-(chlorosulfonyl)-2-methyl-1-phenyl-1H-pyrrole-3-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 438.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C20H17Cl2NO4S |
| Molecular Weight | 438.32 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 4-(4-Chlorophenyl)-3-{[(4-chlorophenyl)methyl]sulfanyl}-5-[(E)-2-phenylethenyl]-4H-1,2,4-triazole (CAS 551920-94-6)
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- 2-(2-{[(4-chlorophenyl)sulfinyl]methyl}-1H-1,3-benzimidazol-1-yl)-N-methyl-N-phenylacetamide (CAS 339100-28-6)
- 4-Chlorophenyl 2-(4-bromophenyl)quinoline-4-carboxylate (CAS 355433-73-7)
- 2-{[3-(4-chlorophenyl)-3-oxo-1-phenylpropyl]amino}-9H-fluoren-9-one (CAS 352224-39-6)
- N-(4-(4-((4-chlorophenyl)sulfonyl)piperazin-1-yl)-3-fluorophenyl)cyclopropanecarboxamide (CAS 478079-27-5)
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- Phenyl 2-((2-((4-chlorophenyl)amino)-2-oxoethyl)thio)-1H-benzo[d]imidazole-1-carboxylate (CAS 845879-37-0)
Recommended Standards
- 2-(2-Bromophenyl)-4-(1-naphthalenyl)-6-phenyl-1,3,5-triazine (CAS 2768559-50-6)
- N-(5-(benzyloxy)-2,4-dichlorophenyl)-4-methoxybenzenesulfonamide (CAS 338961-07-2)
- 2-(4-Bromonaphthalen-1-yl)-4,6-diphenyl-1,3,5-triazine (CAS 1800228-86-7)
- 1-(1-Bromoethyl)-4-chlorobenzene (CAS 14804-61-6)
- 2-(2-methylpropyl)pyridine (CAS 6304-24-1)
- 2,3-Dihydro-5-benzofuranmethanamine HCl (CAS 635309-62-5)
- Tert-butyl (1R,6R)-1-methyl-3,7-diazabicyclo[4.2.0]Octane-7-carboxylate (CAS 2306254-70-4)
- 3-[(2-aminoethyl)amino]propanoic acid dihydrochloride (CAS 40428-77-1)
- N'-(3,5-Dibromopyrazin-2-yl)-N-hydroxyformimidamide (CAS 60420-05-5)
- 1-(2-Aminoethoxy)-2-tert-butylbenzene hydrochloride (CAS 1269152-72-8)
- (R)-N-Methyl-1-phenylethanamine (CAS 5933-40-4)
- 4-Chloro-N-(phenylmethyl)-2-pyridinecarboxamide (CAS 116275-39-9)
- 6-Chloro-4-fluoropyridin-2-amine (CAS 1393567-36-6)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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