3-methylene-1-(4-methylphenyl)dihydro-1H-pyrrole-2,5-dione CAS 74216-90-3
| CAS No. | 74216-90-3 |
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 201.22 g/mol gives 3-methylene-1-(4-methylphenyl)dihydro-1H-pyrrole-2,5-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-methylene-1-(4-methylphenyl)dihydro-1H-pyrrole-2,5-dione (CAS 74216-90-3), a certified reference material (molecular formula C12H11NO2, MW 201.22 g/mol) for analytical method development and quality control.
The molecular framework of 3-methylene-1-(4-methylphenyl)dihydro-1H-pyrrole-2,5-dione (C12H11NO2) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3-methylene-1-(4-methylphenyl)dihydro-1H-pyrrole-2,5-dione 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 | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
Related methylene Standards
- 3-methylene-1-(3-methylphenyl)dihydro-1H-pyrrole-2,5-dione (CAS 73927-02-3)
- 4,4′-Methylene-d2-dianiline (CAS 215590-72-0)
- 4-Benzyl-6-methylene-1,4-oxazepane (CAS 1341035-78-6)
- 4-Methyl-1-methylene-1,2-dihydrocyclobuta[c]quinolin-3(4H)-one (CAS 87700-48-9)
- 4-Methyl-5-methylene-4-(4-methyl-3-penten-1-yl)-1,3-dioxolan-2-one (CAS 87761-95-3)
- 8-Methylene-7,8-dihydropyrazolo[4,3-e]thiazolo[3,2-a]pyrimidin-4(1H)-one (CAS 955296-48-7)
- 5-Methylene-10,11-dihydro-5H-dibenzo[a,d][7]annulene (CAS 2732-90-3)
- Ethyl 2-methylene-5-oxotetrahydro-1H-pyrrolizine-7a(5H)-carboxylate (CAS 942603-91-0)
Recommended Standards
- 4-((3-Aminopyridin-2-yl)amino)phenol (CAS 78750-68-2)
- 3-Methyl-5-phenyl-1H-pyrrole-2-carboxylic acid (CAS 2091494-76-5)
- 4-((6-Methylpyrazin-2-yl)oxy)aniline (CAS 915707-63-0)
- 3-Methyl-5H-spiro[furan-2,3'-indolin]-2'-one (CAS 882041-51-2)
- 4-Chloro-N-{[5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl}-N-(4-methoxyphenyl)benzene-1-sulfonamide (CAS 956706-83-5)
- 2-(Benzhydryloxy)-N-methylacetamide (CAS 118286-16-1)
- (1S,2S)-1-Amino-2-ethylcyclopropanecarboxylic acid (CAS 63393-56-6)
- Ethyl 2-methyl-2-(methylamino)propanoate hydrochloride (CAS 1082720-57-7)
- n-Benzyl-3-bromo-N-methylbenzenesulfonamide (CAS 876680-73-8)
- 2-Hydroxy-3-(thiophen-2-yl)propanoic acid (CAS 917247-87-1)
- 1-(4-Isopropylphenyl)butane-1,3-dione (CAS 29681-96-7)
- 1-(3-(4-Nitrophenyl)-1,2,4-thiadiazol-5-yl)guanidine (CAS 88541-05-3)
- 3-fluoranyl-5-methoxy-4-oxidanyl-benzaldehyde 3-fluoro-4-hydroxy-5-methoxybenzaldehyde 79418-78-3 A839679 (CAS 79418-78-3)
- Experimental Allergic Encephalitogenic Peptide (CAS 29705-92-8)
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