(3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,4-dimethylphenyl)methanone CAS 898790-16-4
| CAS No. | 898790-16-4 |
| Molecular Formula | C20H21NO |
| Molecular Weight | 291.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,4-dimethylphenyl)methanone (CAS 898790-16-4), molecular formula C20H21NO and molecular weight 291.39 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H21NO, (3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,4-dimethylphenyl)methanone contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H21NO |
| Molecular Weight | 291.39 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dihydro Standards
- (4S)-4,5-Dihydro-4-(1-methylethyl)-2-[2-[(1E)-2-phenylethenyl]phenyl]oxazole (CAS 1220093-89-9)
- 1'-Benzyl-3,4-dihydro-2H-spiro[naphthalene-1,2'-pyrrolidin]-5'-one (CAS 159757-39-8)
- (2-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,3-dimethylphenyl)methanone (CAS 898763-20-7)
- (2-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,5-dimethylphenyl)methanone (CAS 898763-26-3)
- (2-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,6-dimethylphenyl)methanone (CAS 898763-29-6)
- (2-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(3,4-dimethylphenyl)methanone (CAS 898763-32-1)
- (3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,6-dimethylphenyl)methanone (CAS 898790-22-2)
- (3-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(3,5-dimethylphenyl)methanone (CAS 898749-07-0)
Recommended Standards
- (2S,6S)-2,6-Dibenzyl-2,3,5,6-tetrahydro-1H-imidazo[1,2-a]imidazole (CAS 877773-30-3)
- (4-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(2,3-dimethylphenyl)methanone (CAS 898764-11-9)
- (4-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(3,4-dimethylphenyl)methanone (CAS 898764-22-2)
- (4-((2,5-Dihydro-1H-pyrrol-1-yl)methyl)phenyl)(3,5-dimethylphenyl)methanone (CAS 898764-25-5)
- 2-(6-Bromo-2-cyano-3-nitrophenyl)acetic acid (CAS 1805021-48-0)
- (S)-2-(Pyrrolidin-2-yl)acetonitrile (CAS 1186242-37-4)
- 4-(3-fluorophenyl)butan-2-amine (CAS 1092924-64-5)
- 3-(2-Nitrophenyl)oxetane (CAS 189572-00-7)
- 3-Fluoro-4-((methylamino)methyl)benzonitrile (CAS 633698-43-8)
- 4-((1H-Indol-3-yl)thio)butanenitrile (CAS 61021-92-9)
- (2Z)-N-[4-(1H-1,3-Benzodiazol-2-yl)phenyl]-2-[(4-methoxyphenyl)imino]-2H-chromene-3-carboxamide (CAS 478342-74-4)
- 3-((2,3,4-Trifluorophenoxy)methyl)benzaldehyde (CAS 1443339-79-4)
- 3-(Dibenzylamino)-2-fluoropropan-1-ol (CAS 872880-10-9)
- Insulin Degludec Impurity 2 (CAS CATO-C4X-21572)
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