3,5-Difluoro-3-pyrrolidinomethyl benzophenone CAS 898770-90-6
| CAS No. | 898770-90-6 |
| Molecular Formula | C18H17F2NO |
| Molecular Weight | 301.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 301.33 g/mol gives 3,5-Difluoro-3-pyrrolidinomethyl benzophenone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,5-Difluoro-3-pyrrolidinomethyl benzophenone (CAS 898770-90-6), molecular formula C18H17F2NO and molecular weight 301.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H17F2NO, 3,5-Difluoro-3-pyrrolidinomethyl benzophenone contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.33 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.
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 | C18H17F2NO |
| Molecular Weight | 301.33 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 |
| 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 | F-containing |
| Nitrogen Atoms | 1 |
Related Difluoro Standards
- 2,4-difluoro-2'-pyrrolidinomethyl benzophenone (CAS 898775-03-6)
- 3,4-Difluoro-3-pyrrolidinomethyl benzophenone (CAS 898770-88-2)
- 7-Benzyl-9,9-difluoro-3-thia-7-azabicyclo[3.3.1]Nonane 3,3-dioxide (CAS 1690364-36-3)
- Boc-2,4-difluoro-D-phenylalanine (CAS 167993-24-0)
- 2,4-Difluoro-N-(2-methoxypyrimidin-5-yl)benzenesulfonamide (CAS 1421441-53-3)
- 2,6-Difluoro-N-(4-(trifluoromethyl)phenyl)benzamide (CAS 710291-55-7)
- 2',5'-Difluoro-5-(trifluoromethyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 1261973-28-7)
- 4-(2',4'-Difluoro-[1,1'-biphenyl]-4-yl)-2-methylene-4-oxobutanoic acid (CAS 161692-81-5)
Recommended Standards
- Methyl 1-((4-fluorophenyl)sulfonyl)piperidine-4-carboxylate (CAS 349624-64-2)
- N-(5-Ethyl-1,3,4-thiadiazol-2-yl)-4-(1H-tetrazol-1-yl)benzamide (CAS 483288-45-5)
- 1-[4-Fluoro-2-(methylsulfonyl)phenyl]piperidine-3-carboxylic acid (CAS 914637-71-1)
- Flufenacet-thioglycolate sulfoxide (CAS 201668-33-9)
- 2-Chloro-4-fluoro-5-methylbenzoic acid (CAS 208165-96-2)
- 4-(4-Bromobutoxy)-1,2-dichlorobenzene (CAS 73876-00-3)
- [S(R)]-N-[(1S)-1-[2-(9-Anthracenyl)phenyl]-2-(diphenylphosphino)ethyl]-2-methyl-2-propanesulfinamide (CAS 1936438-22-0)
- 1-(3-Aminophenyl)-N,N-dimethylpiperidin-4-amine (CAS 1007870-70-3)
- 5,6-Diamino-1-methylpyrimidin-4(1H)-one (CAS 824-27-1)
- 4-(2-Bromo-4-methylphenoxy)-3-chloroaniline (CAS 1021236-09-8)
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- 4-((5,7-Bis(trifluoromethyl)-1,8-naphthyridin-2-yl)oxy)-N,N-diethylbenzenesulfonamide (CAS 338412-11-6)
- D-γ-Glu20-Side-Tirzepatide (CAS CATO-CPTD788929)
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