4-Chloromethyl-5-methyl-furan-2-carboxylic acid ethyl ester CAS 131264-68-1
| CAS No. | 131264-68-1 |
| Molecular Formula | C9H11ClO3 |
| Molecular Weight | 202.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 4-Chloromethyl-5-methyl-furan-2-carboxylic acid ethyl ester is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 202.63 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 4-Chloromethyl-5-methyl-furan-2-carboxylic acid ethyl ester (CAS 131264-68-1), a certified reference material (molecular formula C9H11ClO3, MW 202.63 g/mol) for analytical method development and quality control.
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-Chloromethyl-5-methyl-furan-2-carboxylic 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 | C9H11ClO3 |
| Molecular Weight | 202.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1994 |
| Halogen Content | Cl-containing |
Related Chloromethyl Standards
- Methyl 4-(chloromethyl)-5-ethylfuran-2-carboxylate (CAS 115893-50-0)
- 4-(Chloromethyl)-2-(5-methylfuran-2-yl)-1,3-dioxolane (CAS 128935-94-4)
- 2-(Chloromethyl)-5-(oxan-4-yl)-1,3,4-oxadiazole (CAS 1247061-97-7)
- 3-(Chloromethyl)-5-(oxan-4-yl)-1,2,4-oxadiazole (CAS 1249078-34-9)
- 5-(Chloromethyl)-2-(tetrahydro-2H-pyran-2-yl)-2H-tetrazole (CAS 1260809-53-7)
- 5-(Chloromethyl)-1-(oxan-4-yl)-1h-1,2,3,4-tetrazole (CAS 1340126-75-1)
- 2-(Chloromethyl)-5-(oxan-3-yl)-1,3,4-oxadiazole (CAS 1343729-76-9)
- 3-(Chloromethyl)-5-(1,2,3-thiadiazol-4-yl)-1,2,4-oxadiazole (CAS 253586-59-3)
Recommended Standards
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