4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone CAS 756415-37-9
| CAS No. | 756415-37-9 |
| Molecular Formula | C22H24ClN3O |
| Molecular Weight | 381.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone (C22H24ClN3O) 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.
4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone (CAS 756415-37-9), molecular formula C22H24ClN3O and molecular weight 381.90 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone 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 | C22H24ClN3O |
| Molecular Weight | 381.90 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- 3-(5-(4-Chlorophenyl)furan-2-yl)-N-(2,6-diethylphenyl)propanamide (CAS 853311-93-0)
- (E)-3-((2-Chlorophenyl)amino)-2-(4-(4-ethoxyphenyl)thiazol-2-yl)acrylonitrile (CAS 374548-20-6)
- 2-((4-Chlorophenyl)thio)-N-(5,6-dihydrobenzo[h]quinazolin-2-yl)acetamide (CAS 338959-76-5)
- 2-(2-Chlorophenyl)-N-(4-methoxybenzyl)thieno[3,2-d]pyrimidin-4-amine (CAS 691869-13-3)
- 4-{2-[(4-chlorophenyl)methanesulfinyl]-6-(methoxymethyl)pyrimidin-4-yl}morpholine (CAS 477711-95-8)
- 4-{[(4-chlorophenyl)sulfanyl]methyl}-2-phenyl-6-(pyrrolidin-1-yl)pyrimidine (CAS 477867-08-6)
- N-(2-((4-chlorophenyl)thio)ethyl)-3,4,5-trimethoxybenzamide (CAS 339113-23-4)
- 1-(2-Chlorophenyl)-N-cyclohexyl-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxamide (CAS 1207017-35-3)
Recommended Standards
- 4-(4-Chlorostyryl)-N,N-diphenylaniline (CAS 94788-36-0)
- 6-Chloro-N,N-bis(4-isopropylphenyl)-1,3,5-triazine-2,4-diamine (CAS 377067-08-8)
- 6-Methyl-2,3-diphenyl-1H-indole (CAS 54879-92-4)
- 3-(2-Butyl-5-chloro-1H-imidazol-4-yl)-2,5-diphenylisoxazolidine (CAS 825645-37-2)
- Tetrahydro-4,8-ethanobenzo[1,2-c:4,5-c']difuran-1,3,5,7(3aH,7aH)-tetraone (CAS 2754-40-7)
- 2,2-Di(1H-pyrazol-1-yl)acetic acid (CAS 351205-27-1)
- 2-Methyloctane-3,5-dione (CAS 69362-50-1)
- 6-Chloro-2-(4-chlorophenyl)-1-((2,4-dichlorobenzyl)oxy)-1H-benzo[d]imidazole (CAS 338978-93-1)
- N-((5-(Furan-2-yl)isoxazol-3-yl)methyl)-2-(methylthio)nicotinamide (CAS 1207010-46-5)
- tert-Butyl 2-(2-(2-(prop-2-yn-1-yloxy)ethoxy)ethoxy)acetate (CAS 1338564-53-6)
- Fenuron-d5 (phenyl-d5) (CAS 1219802-06-8)
- 2,4-Dibromo-5-(difluoromethoxy)benzenethiol (CAS 1806349-30-3)
- 2-(2,6-Difluoro-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1111096-19-5)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com