4-Benzoyl-5-(4-chlorophenyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1,5-dihydro-2h-pyrrol-2-one CAS 309923-37-3
| CAS No. | 309923-37-3 |
| Molecular Formula | C23H17ClN2O3 |
| Molecular Weight | 404.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Benzoyl-5-(4-chlorophenyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1,5-dihydro-2h-pyrrol-2-one.
CATO supplies 4-Benzoyl-5-(4-chlorophenyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1,5-dihydro-2h-pyrrol-2-one (CAS 309923-37-3), a certified reference material (molecular formula C23H17ClN2O3, MW 404.85 g/mol) for analytical method development and quality control.
Structurally, 4-Benzoyl-5-(4-chlorophenyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1,5-dihydro-2h-pyrrol-2-one (C23H17ClN2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 404.85 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Benzoyl-5-(4-chlorophenyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1,5-dihydro-2h-pyrrol-2-one 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.
Physical & Chemical Properties
| Molecular Formula | C23H17ClN2O3 |
| Molecular Weight | 404.85 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Benzoyl Standards
- 2,2'-((2-((2-Benzoyl-4-chlorophenyl)amino)-2-oxoethyl)azanediyl)diacetic acid (CAS 87071-16-7)
- 1-[(4-Benzoyl-1-methyl-1H-pyrrol-2-yl)methyl]-4-(4-nitrophenyl)piperazine (CAS 866149-61-3)
- Ethyl 5-benzoyl-2-(4-phenylpiperazin-1-yl)-1H-pyrrole-3-carboxylate (CAS 338758-10-4)
- 4-Benzoyl-3-hydroxy-5-(4-methoxyphenyl)-1-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-pyrrol-2(5H)-one (CAS 439947-30-5)
- N'-benzoyl-1-tosylpiperidine-4-carbohydrazide (CAS 478030-12-5)
- 4-Benzoyl-N'-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrrole-2-carbohydrazide (CAS 338403-56-8)
- 4-Benzoyl-1-[(2-chloro-6-fluorophenyl)methyl]-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317822-18-7)
- 2-Benzoyl-N-(2-(4-methylpiperidin-1-yl)-2-oxoethyl)benzenesulfonamide (CAS 931359-83-0)
Recommended Standards
- 3-(2-Chlorophenyl)-5-methyl-N-(4-phenoxyphenyl)isoxazole-4-carboxamide (CAS 309951-81-3)
- 4-chloro-3-{[(4-sulfamoylphenyl)methyl]sulfamoyl}benzoic acid (CAS 794573-84-5)
- 2-Bromo-3-methylnaphthalene-1,4-dione (CAS 3129-39-3)
- 5-(3-(4-Chlorophenyl)benzo[c]isoxazol-5-yl)-5-methyl-2-phenyl-1,2,4-triazolidin-3-one (CAS 337920-28-2)
- N,N-dimethyl-2-(N-(3-(trifluoromethyl)phenyl)phenylsulfonamido)acetamide (CAS 337922-39-1)
- 3-({2-[bis(propan-2-yl)amino]ethyl}amino)-1λ6-thiolane-1,1-dione dihydrochloride (CAS 1052540-44-9)
- Methyl (S)-3-amino-2-(4-bromo-1H-indol-3-yl)propanoate (CAS 1289384-55-9)
- N-((1-glycylpiperidin-3-yl)methyl)acetamide (CAS 1353973-58-6)
- 1-(3-(4-Bromophenoxy)azetidin-1-yl)ethanone (CAS 1467060-01-0)
- 5-(1-Aminopropyl)-3-methyl-N-phenylpyridin-2-amine (CAS 1355217-97-8)
- ethyl 2-amino-2-cyclopropyl-3,3,3-trifluoropropanoate hydrochloride (CAS 1989672-67-4)
- Ethyl 4-hydroxy-2-(piperidin-1-yl)pyrimidine-5-carboxylate (CAS 25693-43-0)
- (R)-1-(2-Fluorophenyl)propan-1-ol (CAS 156712-37-7)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com