1-{4-[(2E)-3-(2,6-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione CAS 1365988-74-4
| CAS No. | 1365988-74-4 |
| Molecular Formula | C19H11Cl2NO3 |
| Molecular Weight | 372.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 372.20 g/mol gives 1-{4-[(2E)-3-(2,6-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-{4-[(2E)-3-(2,6-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione (CAS 1365988-74-4), molecular formula C19H11Cl2NO3 and molecular weight 372.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-{4-[(2E)-3-(2,6-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione (C19H11Cl2NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 372.20 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1-{4-[(2E)-3-(2,6-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione 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 | C19H11Cl2NO3 |
| Molecular Weight | 372.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- 3-((3,5-Dichlorophenyl)sulfonyl)-7-fluoroquinolin-4(1H)-one (CAS 1031955-94-8)
- (E)-4-((1-(3,5-DIchlorophenyl)-3-methyl-2,5-dioxoimidazolidin-4-ylidene)methyl)benzonitrile (CAS 509083-46-9)
- 1-{4-[(2E)-3-(3,4-Dichlorophenyl)prop-2-enoyl]phenyl}-1H-pyrrole-2,5-dione (CAS 949923-52-8)
- 3-((3,4-Dichlorophenyl)sulfonyl)-8-fluoroquinolin-4(1H)-one (CAS 950276-06-9)
- Ethyl 5-(3,4-dichlorophenyl)-2-(2-(methoxycarbonyl)hydrazinyl)-1H-pyrrole-3-carboxylate (CAS 400085-15-6)
- 9-((2,4-Dichlorophenyl)amino)thiazolo[5,4-f]quinazoline-2-carbonitrile (CAS 1425946-13-9)
- 1-(3,4-Dichlorophenyl)-3-(4-(pyridin-4-ylmethyl)phenyl)urea (CAS 669757-93-1)
- 1-((2,5-Dichlorophenyl)sulfonyl)-4-(pyridin-2-yl)piperazine (CAS 335282-91-2)
Recommended Standards
- N-(5-(2,5-Dichlorothiophen-3-yl)-1,3,4-oxadiazol-2-yl)-2-(4-fluorophenyl)acetamide (CAS 1171906-91-4)
- (1R,2R)-2-(2-(2-iodophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid (CAS 736136-47-3)
- Tert-butyl (S)-(1-cyano-2-(4-iodophenyl)ethyl)carbamate (CAS 1159489-37-8)
- (1R,2R)-2-(2-(3-iodophenyl)-2-oxoethyl)cyclohexane-1-carboxylic acid (CAS 736136-48-4)
- 6-Selenopurine (CAS 5270-30-4)
- 1,5-Dihydrodipyrrolo[1,2-a:2',1'-d][1,3,5]triazine (CAS 221546-22-1)
- 3-Bromo-4-((2-chlorobenzyl)oxy)benzohydrazide (CAS 1706431-65-3)
- 7-Fluoroisochroman (CAS 50396-64-0)
- Sertraline EP Impurity G (CAS 79617-98-4)
- aaa (20R,23R,24S)-4a,23,24-Trimethylcholestane (CAS 146276-33-7)
- Oxazole-2,4-diamine (CAS 832134-07-3)
- 3-(4-Ethoxyphenyl)-1,1-dimethylurea (CAS 36503-55-6)
- 2-((Pyridin-4-ylmethyl)amino)nicotinonitrile (CAS 854382-08-4)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
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