1-(4-Chlorobenzyl)naphthalene CAS 1591-43-1
| CAS No. | 1591-43-1 |
| Molecular Formula | C17H13Cl |
| Molecular Weight | 252.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(4-Chlorobenzyl)naphthalene is closely related to chlorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(4-Chlorobenzyl)naphthalene (CAS 1591-43-1), molecular formula C17H13Cl and molecular weight 252.74 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-(4-Chlorobenzyl)naphthalene (C17H13Cl) is characterized by chlorine substitution, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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 | C17H13Cl |
| Molecular Weight | 252.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
Related Chlorobenzyl Standards
- Ethyl 2-(4-chlorobenzyl)pent-4-enoate (CAS 1431698-12-2)
- N-(3-chlorobenzyl)piperidine-2-carboxamide (CAS 189069-90-7)
- 2-(4-Chlorobenzyl)naphthalene (CAS 3042-67-9)
- N-(2-chlorobenzyl)piperidine-4-carboxamide (CAS 429631-11-8)
- N-(4-chlorobenzyl)piperidine-4-carboxamide (CAS 885274-77-1)
- (4-Chlorobenzyl)(3-fluorophenyl)sulfane (CAS 1443311-72-5)
- (2-Chlorobenzyl)(3-fluorophenyl)sulfane (CAS 1443313-92-5)
- (3-Chlorobenzyl)(3-fluorophenyl)sulfane (CAS 1443314-13-3)
Recommended Standards
- 2-(2-Chlorophenyl)-1-(1,4-diazepan-1-yl)ethan-1-one (CAS 1590384-87-4)
- Methyl 4-chloro-5-(ethylthio)-3-hydroxythiophene-2-carboxylate (CAS 1707372-13-1)
- 4-((4-Methylpiperazin-1-yl)methyl)benzoyl chloride (CAS 148077-69-4)
- 4-Chloro-3-ethoxy-5-(methylthio)thiophene-2-carboxylic acid (CAS 1710202-49-5)
- 2-Bromo-4-fluoro-5-nitrophenol (CAS 84478-87-5)
- Tert-butyl 4-(4-fluorophenyl)-3-hydroxypiperidine-1-carboxylate (CAS 1187171-99-8)
- 6,7,8,9-Tetrahydro-5H-pyrido[3,4-d]azepine (CAS 228271-47-4)
- 1-(2-(5-Methylthiophen-2-yl)-2-oxoethyl)-1h-1,2,4-triazole-3-carbonitrile (CAS 1210847-82-7)
- 5-(Cyclohexyloxy)pyridazin-3(2H)-one (CAS 1346697-84-4)
- 2,6-Di-tert-butyl-4-(3-hydroxypropyl)phenol (CAS 36294-23-2)
- 1-Bromo-4-difluoromethoxy-2-fluoro-6-nitrobenzene (CAS 1804910-29-9)
- 4-Chloro-2-nitro-6-(trifluoromethyl)aniline (CAS 62924-50-9)
- D-Norleucine, 5-methyl-, hydrochloride (1:1) (CAS 1369531-51-0)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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