5-(3,4-Dichlorophenyl)-4-(4-ethoxybenzoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one CAS 371211-75-5
| CAS No. | 371211-75-5 |
| Molecular Formula | C22H17Cl2N3O4S |
| Molecular Weight | 490.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-(3,4-Dichlorophenyl)-4-(4-ethoxybenzoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one (C22H17Cl2N3O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 490.36 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 5-(3,4-Dichlorophenyl)-4-(4-ethoxybenzoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 371211-75-5), a certified reference material (molecular formula C22H17Cl2N3O4S, MW 490.36 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(3,4-Dichlorophenyl)-4-(4-ethoxybenzoyl)-3-hydroxy-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H17Cl2N3O4S |
| Molecular Weight | 490.36 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dichlorophenyl Standards
- (2E)-1-{3-[(2,4-dichlorophenyl)methoxy]phenyl}-3-[(4-phenoxyphenyl)amino]prop-2-en-1-one (CAS 478040-03-8)
- Ethyl 4-(4-{2-[(2,4-dichlorophenyl)methyl]-3-ethoxy-3-oxopropanoyl}-1H-1,2,3-triazol-1-yl)benzoate (CAS 478248-77-0)
- 6-(((2,6-Dichlorophenyl)thio)methyl)-N-methyl-2-((3-(trifluoromethyl)benzyl)thio)pyrimidin-4-amine (CAS 341965-28-4)
- 2-(2,4-Dichlorophenyl)-3-(4-(2,4-dichlorophenyl)thiazol-2-yl)-5-methylthiazolidin-4-one (CAS 866048-99-9)
- (1E)-1-[(2,4-Dichlorophenyl)amino]-2-[(2,4-dichlorophenyl)carbamoyl]-2-[(1E)-(methoxyimino)methyl]eth-1-en-1-yl acetate (CAS 338964-98-0)
- (2E)-2-{4-[5-(2,4-dichlorophenyl)furan-2-yl]-1,3-thiazol-2-yl}-3-[3-(trifluoromethyl)phenyl]prop-2-enenitrile (CAS 338978-48-6)
- 4-(2,4-Dichlorophenyl)-2-(4-methylpiperazin-1-yl)-6-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 303984-86-3)
- 4-(3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carbonyl)-N-(3-morpholinopropyl)-1H-pyrrole-2-carboxamide (CAS 692287-91-5)
Recommended Standards
- 2,7-Bis(2,6-difluorophenyl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 1333488-67-7)
- Bis((6-nitrobenzo[d][1,3]dioxol-5-yl)methyl) glutarate (CAS 113489-34-2)
- N'-(2,5-bis(2,2,2-trifluoroethoxy)benzoyl)-4-fluorobenzenesulfonohydrazide (CAS 477863-99-3)
- (E)-N'-(1-(2-Ethoxyphenyl)-2,2,3,3,3-pentafluoropropylidene)-2-(trifluoromethyl)benzenesulfonohydrazide (CAS 2757122-53-3)
- (2R,3R,4R)-4-((tert-Butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)-3,4-dihydro-2H-pyran-3-ol (CAS 111830-53-6)
- L-Serine, O-[4,6-di-O-acetyl-2-(acetylamino)-2-deoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranosyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]- (CAS 125760-30-7)
- 2-Amino-4,5-dimethoxybenzothioamide (CAS 1379207-02-9)
- 1-((Benzo[d]oxazol-2-ylthio)methyl)cyclopentan-1-ol (CAS 1486128-22-6)
- 3-Hydroxy-3-methyl-cyclobutanecarboxylic acid sodium salt (CAS 2375195-73-4)
- 2-Bromo-1-(4-methoxyphenyl)butan-1-one (CAS 881-43-6)
- 2-Ethyl-5-oxohexanal (CAS 35650-55-6)
- n-(Cyclobutylmethyl)-1,3-dimethyl-4-nitro-1h-pyrazol-5-amine (CAS 1157095-14-1)
- 3,6-Dichloropyridazin-4-o (CAS 2779-81-9)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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