Ethyl 5-chlorofuran-2-carboxylate CAS 4301-39-7
| CAS No. | 4301-39-7 |
| Molecular Formula | C7H7ClO3 |
| Molecular Weight | 174.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 5-chlorofuran-2-carboxylate 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.
CATO supplies Ethyl 5-chlorofuran-2-carboxylate (CAS 4301-39-7), a certified reference material (molecular formula C7H7ClO3, MW 174.58 g/mol) for analytical method development and quality control.
Structurally, Ethyl 5-chlorofuran-2-carboxylate (C7H7ClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 174.58 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H7ClO3 |
| Molecular Weight | 174.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| 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 | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
Related Ethyl Standards
- ethyl 3-chlorofuran-2-carboxylate (CAS 1478503-50-2)
- 2-(2-chlorofuran-3-yl)propanoic acid (CAS 1519129-23-7)
- Ethyl 5-chlorofuran-3-carboxylate (CAS 189331-55-3)
- 3-(3-chlorofuran-2-yl)prop-2-enoic acid (CAS 100949-21-1)
- (2E)-3-(3-chlorofuran-2-yl)prop-2-enoic acid (CAS 2805328-96-3)
- 3-(4-chlorofuran-2-yl)prop-2-enoic acid (CAS 57635-21-9)
- (2E)-3-(5-chlorofuran-2-yl)prop-2-enoic acid (CAS 111252-98-3)
- 4-(5-Chlorofuran-2-yl)but-3-en-2-one (CAS 1344735-48-3)
Recommended Standards
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- Ethyl 3-chloro-1H-pyrazole-4-carboxylate (CAS 948552-01-0)
- methyl 2-(chloromethyl)-3-furoate (CAS 53020-07-8)
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