4-(4-(Benzyloxy)-2-methylbenzoyl)-5-(4-chlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one CAS 489416-77-5
| CAS No. | 489416-77-5 |
| Molecular Formula | C28H26ClNO5 |
| Molecular Weight | 491.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 491.96 g/mol gives 4-(4-(Benzyloxy)-2-methylbenzoyl)-5-(4-chlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(4-(Benzyloxy)-2-methylbenzoyl)-5-(4-chlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one (CAS 489416-77-5), molecular formula C28H26ClNO5 and molecular weight 491.96 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(4-(Benzyloxy)-2-methylbenzoyl)-5-(4-chlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one (C28H26ClNO5) 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 491.96 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-(4-(Benzyloxy)-2-methylbenzoyl)-5-(4-chlorophenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-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 | C28H26ClNO5 |
| Molecular Weight | 491.96 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Benzyloxy Standards
- (2Z)-3-[4-(Benzyloxy)phenyl]-2-{4-[2-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)ethyl]-1,3-thiazol-2-yl}prop-2-enenitrile (CAS 866019-81-0)
- 4-(4-(Benzyloxy)-2-methylbenzoyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-5-(pyridin-4-yl)-1H-pyrrol-2(5H)-one (CAS 497942-47-9)
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- 4-benzyloxy-6-bromo-2-methyl-1-(p-tolylsulfonyl)benzimidazole (CAS 942195-88-2)
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Recommended Standards
- 3-((4-Chlorophenyl)sulfonyl)-2-imino-10-methyl-1-(pyridin-3-ylmethyl)-1H-dipyrido[1,2-a:2',3'-d]pyrimidin-5(2H)-one (CAS 577987-20-3)
- Sibutramine Impurity 7 (CAS CATO-C4X-18537)
- 5-[(5-chloro-1,3-dimethyl-1H-pyrazol-4-yl)sulphonyl]-4-[4-(trifluoromethoxy)phenyl]-4,5,6,7-tetrahydrothieno[3,2-c]pyridine (CAS 255872-73-2)
- 2-Amino-9-(6-((6-chloro-2-methoxyacridin-9-yl)amino)hexyl)-1H-purin-6(9H)-one (CAS 103083-42-7)
- N-(3-(Methylcarbamoyl)-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)furan-2-carboxamide (CAS 892978-23-3)
- 4-Amino-2,2,4-trimethylcyclohexanone (CAS 2758305-28-9)
- (2Z)-3-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(4-chlorophenyl)prop-2-enenitrile (CAS 320420-51-7)
- (2S,3S,4S,5R,6R)-6-((Benzoyloxy)methyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetrabenzoate (CAS 13526-09-5)
- N-(4-ethoxyphenyl)-2-((5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 332867-76-2)
- 3-Methyl-1λ4-thiomorpholin-1-one (CAS 1333567-61-5)
- Methyl 2-(2-acetyl-4-chlorophenoxy)propanoate (CAS 1281411-22-0)
- Pregomisin (CAS 66280-26-0)
- 1-(2-Bromo-4-fluorobenzyl)-1,5,6,7-tetrahydro-4H-pyrrolo[3,2-c]pyridin-4-one (CAS 1206969-77-8)
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