3-(4-Chlorobenzyl)-2-methyl-4H-pyran-4-one CAS 400087-29-8
| CAS No. | 400087-29-8 |
| Molecular Formula | C13H11ClO2 |
| Molecular Weight | 234.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(4-Chlorobenzyl)-2-methyl-4H-pyran-4-one.
3-(4-Chlorobenzyl)-2-methyl-4H-pyran-4-one (CAS 400087-29-8) is a high-purity analytical reference standard with the molecular formula C13H11ClO2 and a molecular weight of 234.68 g/mol.
Based on its molecular formula C13H11ClO2, 3-(4-Chlorobenzyl)-2-methyl-4H-pyran-4-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 234.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 3-(4-Chlorobenzyl)-2-methyl-4H-pyran-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H11ClO2 |
| Molecular Weight | 234.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
Related Chlorobenzyl Standards
- 1-(3-Chlorobenzyl)-1H-pyrrole-2-carboxamide (CAS 702670-04-0)
- 2-((4-Chlorobenzyl)oxy)phenol (CAS 31968-66-8)
- 3-(2-Chlorobenzyl)-5,6-dihydro-4H-pyrrolo[3,2-d]isoxazole (CAS 603067-85-2)
- 4-(4-Chlorobenzyl)benzene-1,3-diol (CAS 6280-43-9)
- (2-Chlorobenzyl)(phenyl)sulfane (CAS 107623-15-4)
- (3-Chlorobenzyl)(phenyl)sulfane (CAS 51229-52-8)
- (4-Chlorobenzyl)(phenyl)sulfane (CAS 7693-30-3)
- N-(2-chlorobenzyl)-N-methylmethanesulfonamide (CAS 138468-27-6)
Recommended Standards
- 3-(Benzyloxy)-4-chlorophenol (CAS 879094-90-3)
- 2-Ethoxy-1-naphthoyl chloride (CAS 55150-29-3)
- 3,5-Dimethyl-1-phenyl-1H-pyrazole-4-carbonyl chloride (CAS 61226-20-8)
- 2-Chloro-N-methyl-N-(2-morpholino-2-oxoethyl)acetamide (CAS 879318-90-8)
- N-(2,2-dimethylthietan-3-yl)-5-fluoropyridin-2-amine (CAS 1873128-91-6)
- 3-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-[(1Z)-{[(4-chlorophenyl)methoxy]amino}methylidene]thiourea (CAS 339114-06-6)
- Trimethylamine oxide hydrate (CAS 136449-78-0)
- tert-Butyl 7-fluoro-2,3-dihydro-1H-spiro[isoquinoline-4,4'-piperidine]-1'-carboxylate (CAS 1290627-44-9)
- 2-Amino-2-(3,4-dimethylphenyl)ethan-1-ol (CAS 910443-17-3)
- 4-Iodophenylacetic Acid (CAS 1798-06-7)
- Tert-butyl 4-oxo-1-oxa-8-azaspiro[4.5]Decane-8-carboxylate (CAS 1782622-45-0)
- 1-Methyl-N-(4-methylpentan-2-yl)piperidin-4-amine (CAS 1096853-43-8)
- 1-(2-Ethylphenyl)-2,2,2-trifluoroethan-1-amine (CAS 886370-65-6)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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