4,6-Dichloro-2H-chromene-3-carbaldehyde CAS 175205-58-0
| CAS No. | 175205-58-0 |
| Molecular Formula | C10H6Cl2O2 |
| Molecular Weight | 229.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4,6-Dichloro-2H-chromene-3-carbaldehyde (CAS 175205-58-0), molecular formula C10H6Cl2O2 and molecular weight 229.06 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H6Cl2O2, 4,6-Dichloro-2H-chromene-3-carbaldehyde 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 229.06 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.
CATO manufactures 4,6-Dichloro-2H-chromene-3-carbaldehyde 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 | C10H6Cl2O2 |
| Molecular Weight | 229.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 1-(2,3-Dichlorophenyl)-1H-pyrazol-4-ol (CAS 1710202-26-8)
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- 1-(3-Chlorophenyl)-3-(ethoxycarbonyl)-5-methyl-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264044-19-0)
- 3-Methoxypropanoyl chloride (CAS 4244-59-1)
- 5-Methoxy-1,6-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 1105195-95-6)
- N-(3-Hydroxypropyl)-2-methoxy-4,5-dimethylbenzenesulfonamide (CAS 1082805-54-6)
- Emodin-8-glucoside (CAS 23313-21-5)
- 4-(2H-1,2,3-triazol-2-yl)piperidine hydrochloride (CAS 690261-89-3)
- 5-(Bromomethyl)-1,2-dichloro-3-(trifluoromethoxy)benzene (CAS 1706435-11-1)
- tert-Butyl 3-formyl-1H-pyrazolo[3,4-b]pyridine-1-carboxylate (CAS 1155846-83-5)
- 2-Amino-3,5-dinitrothiophene (CAS 2045-70-7)
- Semaglutide Impurity 146 (CAS 2645421-68-5)
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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