2,5-Dioxo-2,5-dihydrofuran-3,4-diyl bis(2-chloroacetate) CAS 132-80-9
| CAS No. | 132-80-9 |
| Molecular Formula | C8H4Cl2O7 |
| Molecular Weight | 283.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Dioxo-2,5-dihydrofuran-3,4-diyl bis(2-chloroacetate) (CAS 132-80-9), molecular formula C8H4Cl2O7 and molecular weight 283.02 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H4Cl2O7, 2,5-Dioxo-2,5-dihydrofuran-3,4-diyl bis(2-chloroacetate) contains a carbohydrate-derived structure, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 283.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 2,5-Dioxo-2,5-dihydrofuran-3,4-diyl bis(2-chloroacetate) 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 | C8H4Cl2O7 |
| Molecular Weight | 283.02 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Dioxo Standards
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Recommended Standards
- 3-bromo-6-(trifluoromethyl)-1H-pyrazolo[3,4-d]pyrimidin-4-ol (CAS 1989671-52-4)
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- 3-[4-(Trifluoromethoxy)phenyl]-pyridine-5-boronic acid (CAS 2121514-15-4)
- 6-Bromo-5-fluoro-4-(trifluoromethyl)-1H-benzo[d]imidazole (CAS 1820619-42-8)
- 5-(4-methoxyphenyl)-3,3-dimethyl-5-oxopentanoic acid (CAS 31526-44-0)
- Ethyl (1-iodoethyl) carbonate (CAS 80196-04-9)
- Methyl Heptadecanoate-d33 (CAS 1219804-81-5)
- 11-Oxa-1,8-diazatricyclo[7.5.0.0,2,7]tetradeca-2,4,6,8-tetraen-13-ol (CAS 68857-67-0)
- 3-Benzylideneisochroman-1,4-dione (CAS 1681-79-4)
- 2-Chloro-3-(difluoromethyl)-6-methylisonicotinic acid (CAS 1805178-27-1)
- N,N-dimethyl-2-((5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)ethan-1-amine (CAS 892501-92-7)
- Pancreatic Polypeptide (31-36) Free Acid, human (CAS 192432-73-8)
- Piretanide-d4 (Major) (CAS 1246816-90-9)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
Why CATO?
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