3,4-Dichloro-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate CAS 67551-18-2
| CAS No. | 67551-18-2 |
| Molecular Formula | C6H4Cl2O5 |
| Molecular Weight | 227.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3,4-Dichloro-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate (C6H4Cl2O5) contains a carbohydrate-derived structure, chlorine substitution. 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 227.00 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
3,4-Dichloro-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate (CAS 67551-18-2), molecular formula C6H4Cl2O5 and molecular weight 227.00 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 3,4-Dichloro-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate 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 | C6H4Cl2O5 |
| Molecular Weight | 227.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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, 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.) | 1976 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 2-Amino-3-(4-borono-2-fluorophenyl)propanoic acid (CAS 292050-22-7)
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- 3-Bromo-4-nitrobenzonitrile (CAS 102000-73-7)
- 2-[1-(2,4-difluorophenyl)-3,5-dimethyl-1h-pyrazol-4-yl]acetic acid (CAS 926239-71-6)
- 1-(3,4-Dimethylphenyl)propan-1-one (CAS 17283-12-4)
- 3-Hydroxy-5-methoxy-7-methyl-2,3-dihydro-1h-indol-2-one (CAS 1341596-53-9)
- 4-((4-Iodophenoxy)methyl)benzonitrile (CAS 879146-21-1)
- SCH 58261 (CAS 160098-96-4)
- (2-(Butylamino)propan-2-yl)phosphonic Acid (CAS 34691-05-9)
- N6-Methyladenosine (CAS 1867-73-8)
- (S)-3-(bicyclo[1.1.1]Pentan-1-yl)-2-((tert-butoxycarbonyl)(methyl)amino)propanoic acid (CAS 2231666-04-7)
- 1-(2-(Trifluoromethyl)-[1,1'-biphenyl]-4-yl)ethanone (CAS 210535-70-9)
- Tirzepatide Impurity 57 (CAS CATO-C4X-324057)
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