5-(Chloromethyl)furan-2-carbaldehyde CAS 1623-88-7
| CAS No. | 1623-88-7 |
| Molecular Formula | C6H5ClO2 |
| Molecular Weight | 144.56 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, 5-(Chloromethyl)furan-2-carbaldehyde is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 144.56 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-(Chloromethyl)furan-2-carbaldehyde (CAS 1623-88-7) is a high-purity analytical reference standard with the molecular formula C6H5ClO2 and a molecular weight of 144.56 g/mol.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H5ClO2 |
| Molecular Weight | 144.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1957 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 2-(1H-Imidazol-1-yl)acetyl chloride (CAS 160975-66-6)
- 3-chloro-4-methoxy-pyridazine (CAS 1677-81-2)
- 4-Chloropyridazine-3,5-diamine (CAS 1500-83-0)
- 6-Chloro-5-methylpyridazin-3(2H)-one (CAS 1703-07-7)
- 2-Cyclopropyl-1-(4,5-dimethoxy-2-methylphenyl)ethan-1-ol (CAS 1459143-15-7)
- 4-(2-Hydroxybenzylidene)-2-methyloxazol-5(4H)-one (CAS 76834-54-3)
- 2-Hydroxy-4-(1h-pyrrol-1-yl)benzoic acid (CAS 35580-52-0)
- Isopropyl 3-(methylamino)pyrrolidine-1-carboxylate (CAS 1546068-28-3)
- N,N-Dibenzyl-2-chloro-9H-purin-6-amine (CAS 496955-47-6)
- 4,8-Dimethyl-1,4,9-triazaspiro[5.5]Undecan-5-one (CAS 2387594-73-0)
- 3-Bromoacridin-9(10H)-one (CAS 1140-92-7)
- (S)-2-((tert-Butoxycarbonyl)amino)-5-hydroxypentanoic acid (CAS 83345-45-3)
- 3-(4-Bromophenyl)-5-((phenylselanyl)methyl)-4,5-dihydroisoxazole (CAS 828939-58-8)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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