3-Bromo-2-pyrrolidinomethyl benzophenone CAS 898774-44-2
| CAS No. | 898774-44-2 |
| Molecular Formula | C18H18BrNO |
| Molecular Weight | 344.25 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-Bromo-2-pyrrolidinomethyl benzophenone (CAS 898774-44-2), molecular formula C18H18BrNO and molecular weight 344.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H18BrNO, 3-Bromo-2-pyrrolidinomethyl benzophenone contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 344.25 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.
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 | C18H18BrNO |
| Molecular Weight | 344.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-methoxy-4'-pyrrolidinomethyl benzophenone (CAS 898776-03-9)
- 4,4'-Sulfonylbis(1-fluoro-2-nitrobenzene) (CAS 312-30-1)
- 2-(4-bromophenyl)-4-(dimethylamino)-2-(pyridin-2-yl)butanenitrile (CAS 65676-22-4)
- (E)-N'-(5-(3-bromothiophene-2-carbonyl)thiazol-2-yl)-N,N-dimethylformimidamide (CAS 865659-23-0)
- N-Benzyl-N,N-dibutylbutan-1-aminium iodide (CAS 60754-76-9)
- 3-((2,5-Dimethylphenyl)amino)-3-oxopropanoic acid (CAS 6850-98-2)
- 3-Amino-4-ethylhexanoic acid (CAS 204191-42-4)
- 1-Phenyl-5-(trifluoromethyl)-1H-pyrazole (CAS 333363-79-4)
- 4-(Perfluoroethoxy)aniline (CAS 717-85-1)
- N-Trifluoroacetyl-L-phenylalanine methyl ester (CAS 23635-30-5)
- 5-chloro-7-methyl-3H-imidazo[4,5-b]pyridine (CAS 1234615-90-7)
- 4,4-difluoro-1-(4-fluorophenyl)butane-1,3-dione (CAS 371967-21-4)
- Heptaldehyde-DNPH (CAS 2074-05-7)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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