2-(4-Chloro-Benzyl)-malonic acid diethyl ester CAS 37556-13-1
| CAS No. | 37556-13-1 |
| Molecular Formula | C14H17ClO4 |
| Molecular Weight | 284.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-(4-Chloro-Benzyl)-malonic acid diethyl ester 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.
CATO supplies 2-(4-Chloro-Benzyl)-malonic acid diethyl ester (CAS 37556-13-1), a certified reference material (molecular formula C14H17ClO4, MW 284.74 g/mol) for analytical method development and quality control.
Based on its molecular formula C14H17ClO4, 2-(4-Chloro-Benzyl)-malonic acid diethyl ester 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 284.74 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.
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.
Physical & Chemical Properties
| Molecular Formula | C14H17ClO4 |
| Molecular Weight | 284.74 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Cl-containing |
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- 4-(Aminomethyl)-N-isopropylpiperidine-1-carboxamide (CAS 1249126-96-2)
- 1-(3-(Benzyloxy)pyridin-2-yl)-3-(9H-fluoren-3-yl)urea (CAS 1022235-69-3)
- 4-(3-Methyl-2,5-dioxo-3-phenylpyrrolidin-1-yl)benzenesulfonamide (CAS 28093-46-1)
- 1-[3,5-Bis(trifluoromethyl)phenyl]-3-(4-fluorophenyl)urea (CAS 978-65-4)
- 3-Methyl-2-((1-(3-(trimethylammonio)propyl)pyridin-4(1H)-ylidene)methyl)benzo[d]oxazol-3-ium iodide (CAS 157199-56-9)
- 6-Bromo-8-methyl-2-(trifluoromethyl)quinoline (CAS 1425335-52-9)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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