1-(2-Methyl-5-(3-nitrophenyl)-1-phenyl-1H-pyrrol-3-yl)ethanone CAS 100989-61-5
| CAS No. | 100989-61-5 |
| Molecular Formula | C19H16N2O3 |
| Molecular Weight | 320.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(2-Methyl-5-(3-nitrophenyl)-1-phenyl-1H-pyrrol-3-yl)ethanone (CAS 100989-61-5) is a high-purity analytical reference standard with the molecular formula C19H16N2O3 and a molecular weight of 320.34 g/mol.
Based on its molecular formula C19H16N2O3, 1-(2-Methyl-5-(3-nitrophenyl)-1-phenyl-1H-pyrrol-3-yl)ethanone 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 320.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C19H16N2O3 |
| Molecular Weight | 320.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
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Recommended Standards
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- (2E)-3-[3-(2-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]acrylic acid (CAS 1006493-83-9)
- 2-((6-Acetamidopyridazin-3-yl)thio)-N-(3-fluorophenyl)acetamide (CAS 1021060-46-7)
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- 4-Cyano-3-ethylbenzoic acid (CAS 138642-94-1)
- Calcitriol Impurity 5 (CAS 116535-65-0)
- 2-(2-(1H-Pyrrol-1-yl)phenoxy)acetic acid (CAS 114322-22-4)
- 2,2'-(1,3-Propanediyl)bis[1-methyl-1H-benzimidazol-5-amine (CAS 847588-86-7)
- 2-Chloro-3-methylisonicotinaldehyde (CAS 790696-96-7)
- 6-((2-Fluorobenzyl)thio)-3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 868968-06-3)
- 6-Ethoxy-4-methylnicotinic acid (CAS 1355218-41-5)
- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
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