2-(4-Chlorophenyl)cyclopentan-1-one CAS 40297-26-5
| CAS No. | 40297-26-5 |
| Molecular Formula | C11H11ClO |
| Molecular Weight | 194.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 194.66 g/mol gives 2-(4-Chlorophenyl)cyclopentan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-(4-Chlorophenyl)cyclopentan-1-one (CAS 40297-26-5), a certified reference material (molecular formula C11H11ClO, MW 194.66 g/mol) for analytical method development and quality control.
Owing to a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 2-(4-Chlorophenyl)cyclopentan-1-one is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 194.66 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(4-Chlorophenyl)cyclopentan-1-one 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 | C11H11ClO |
| Molecular Weight | 194.66 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- 2-(4-Chlorophenyl)-2-(ethylamino)acetonitrile (CAS 1018527-18-8)
- 1-(4-Chlorophenyl)cyclobutane-1-carbaldehyde (CAS 106079-12-3)
- 3-(4-Chlorophenyl)cyclopentan-1-one (CAS 115169-77-2)
- 2-(3-Chlorophenyl)-1-cyclopropylethan-1-one (CAS 1175698-01-7)
- 3-[(2-Chlorophenyl)amino]butanenitrile (CAS 1181405-24-2)
- 3-(2-Chlorophenyl)cyclopentan-1-one (CAS 1181601-19-3)
- 2-(2-Chlorophenyl)-4-pentyn-2-ol (CAS 1340170-80-0)
- 2-(3-Chlorophenyl)-4-pentyn-2-ol (CAS 1341969-67-2)
Recommended Standards
- 2-(4-Chlorophenyl)-4-pentyn-2-ol (CAS 84670-93-9)
- 2-(5-Chloro-1H-indol-3-yl)ethan-1-amine (CAS 3764-94-1)
- 2-(4-Chlorophenyl)-1-cyclopropylethanone (CAS 56594-96-8)
- 2-(6-Chloro-1H-indol-1-yl)ethan-1-amine (CAS 259860-27-0)
- 5-(2-Chlorobenzylidene)-2-(4-isopropoxyphenyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one (CAS 371216-13-6)
- (2S,3R,4S)-3,4-Dimethoxytetrahydrofuran-2-carbaldehyde (CAS 141073-10-1)
- 4-Amino-1-ethylpyrimidin-2(1H)-one (CAS 25855-37-2)
- 1-(1,3-Dimethyl-1h-1,2,4-triazol-5-yl)propan-1-amine (CAS 1250155-36-2)
- (S)-2,3-Dimethyl-2-(piperazin-1-yl)butanoic acid (CAS 1193256-39-1)
- 4-(Piperidin-1-ylmethyl)pyridine (CAS 34490-39-6)
- Forsythiaside A (CAS 79916-77-1)
- 3-Methyl-5-((methylthio)methyl)-2-thioxoimidazolidin-4-one (CAS 22712-72-7)
- Diethylene glycol Mono-Methacrylate (CAS 2351-43-1)
- Semaglutide (CAS CATO-C4X-2226105)
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