2,5-Dichloro-4-(3-pyrrolinomethyl) benzophenone CAS 898764-67-5
| CAS No. | 898764-67-5 |
| Molecular Formula | C18H15Cl2NO |
| Molecular Weight | 332.22 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.
2,5-Dichloro-4-(3-pyrrolinomethyl) benzophenone (CAS 898764-67-5), molecular formula C18H15Cl2NO and molecular weight 332.22 g/mol, is a CATO reference standard with documented purity and traceability.
2,5-Dichloro-4-(3-pyrrolinomethyl) benzophenone (C18H15Cl2NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 2,5-Dichloro-4-(3-pyrrolinomethyl) benzophenone 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 | C18H15Cl2NO |
| Molecular Weight | 332.22 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 2,3-Dichloro-3-(3-pyrrolinomethyl) benzophenone (CAS 898749-47-8)
- 2,3-Dichloro-4-(3-pyrrolinomethyl) benzophenone (CAS 898764-63-1)
- 2,4-Dichloro-3-(3-pyrrolinomethyl) benzophenone (CAS 898749-50-3)
- 2,4-Dichloro-4-(3-pyrrolinomethyl) benzophenone (CAS 898764-65-3)
- 2,5-Dichloro-3-(3-pyrrolinomethyl) benzophenone (CAS 898749-52-5)
- 3,4-Dichloro-2-(3-pyrrolinomethyl) benzophenone (CAS 898763-76-3)
- 3,4-Dichloro-3-(3-pyrrolinomethyl) benzophenone (CAS 898749-54-7)
- 3,5-Dichloro-4-(3-pyrrolinomethyl) benzophenone (CAS 898764-71-1)
Recommended Standards
- 3-(((4-Bromophenyl)imino)methyl)benzo[c]thiophen-1-ol (CAS 339114-31-7)
- 4-(3,4-Dichlorophenyl)-2-(4-ethylphenyl)-4-oxobutanenitrile (CAS 344282-32-2)
- 2,2'-Dinitro-[1,1'-biphenyl]-4,4'-dicarboxylic acid (CAS 41725-30-8)
- 4-(4-Bromophenyl)-N-(pyridin-3-yl)thiazol-2-amine (CAS 256471-39-3)
- 2-(Isopropylamino)-5-methylbenzoic acid (CAS 893727-37-2)
- 1-((4-Methylpiperidin-1-yl)methyl)cyclohexan-1-amine (CAS 220137-80-4)
- trans 1-Benzyl-4-(4-fluorophenyl)-3-methylsulfonatepiperidine-d4 (CAS 1217654-31-3)
- 2-Chloro-n-[4-(morpholin-4-yl)phenyl]propanamide hydrochloride (CAS 1171620-74-8)
- 6-[(3-methyl-1,2,4-oxadiazol-5-yl)methoxy]-2H-1,3-benzodioxole-5-carbaldehyde (CAS 1272176-98-3)
- Olmesartan Impurity 27 (CAS 1378863-74-1)
- 2-(4-Amino-1-hydroxycyclohexyl)acetonitrile (CAS 1656989-98-8)
- 1-(Azetidine-3-carbonyl)azepane (CAS 1534837-09-6)
- (5E)-5-[(2-{[(4-chlorophenyl)methyl]sulfanyl}-5-nitrophenyl)methylidene]-3-ethyl-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 301193-96-4)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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