4-Chloroacetoacetic Acid Ethyl Ester CAS 638-07-3
| CAS No. | 638-07-3 |
| Molecular Formula | C6H9ClO3 |
| Molecular Weight | 164.59 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 4-Chloroacetoacetic Acid Ethyl Ester.
4-Chloroacetoacetic Acid Ethyl Ester (CAS 638-07-3) is a high-purity analytical reference standard with the molecular formula C6H9ClO3 and a molecular weight of 164.59 g/mol.
4-Chloroacetoacetic Acid Ethyl Ester (C6H9ClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; 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.
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 4-Chloroacetoacetic Acid Ethyl 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.
Physical & Chemical Properties
| Molecular Formula | C6H9ClO3 |
| Molecular Weight | 164.59 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Recommended Standards
- Febuxostat Impurity 50 (CAS 609-15-4)
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- Oxiracetam Impurity 21 (CAS 85153-60-2)
- 5-chloro-3-(methoxymethyl)-1,2,4-thiadiazole (CAS 173053-02-6)
- (4,5-Dimethoxy-2-nitrophenyl)(5-methylfuran-2-yl)methanone (CAS 676546-91-1)
- Colchicine Racemic Mixture Impurity (CAS 54192-66-4)
- 1-(4-((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)sulfonyl)piperazin-1-yl)-2-(6-methylbenzofuran-3-yl)ethan-1-one (CAS 847939-23-5)
- Acetic Acid (1S,2R)-2-[N-Benzyl-N-(mesitylenesulfonyl)amino]-1-phenylpropyl Ester (CAS 240423-53-4)
- 4-Chloropyridine-3-carbaldehyde hydrochloride (CAS 1449008-08-5)
- N-(3-(6-(Methylsulfonyl)pyridazin-3-yl)phenyl)quinoline-2-carboxamide (CAS 897614-40-3)
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- N'-[3-(2-Chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]-6-(trifluoromethyl)pyridine-3-carbohydrazide (CAS 1092346-16-1)
- 2-chloro-5-methoxy-N-methylpyrimidin-4-amine (CAS 1351762-06-5)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com