5-(Dihydrofuran-2(3H)-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione CAS 145122-43-6
| CAS No. | 145122-43-6 |
| Molecular Formula | C10H12O5 |
| Molecular Weight | 212.20 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.
CATO supplies 5-(Dihydrofuran-2(3H)-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 145122-43-6), a certified reference material (molecular formula C10H12O5, MW 212.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H12O5, 5-(Dihydrofuran-2(3H)-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 212.20 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).
As a certified reference material (CRM), 5-(Dihydrofuran-2(3H)-ylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H12O5 |
| Molecular Weight | 212.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related Dihydrofuran Standards
- 2-((Dihydrofuran-3(2H)-ylidene)methyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246914-68-9)
- (5-Oxo-2,5-dihydrofuran-2-yl)methyl benzoate (CAS 85339-35-1)
- 2-(4,5-Dihydrofuran-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1046812-03-6)
- 2,5-Dihydrofuran-3-boronic Acid Pinacol Ester (CAS 212127-80-5)
- 1-(5-Oxo-2,5-dihydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 41473-41-0)
- (4,5-Dihydrofuran-2-yl)(4,4-dimethylcyclopent-1-en-1-yl)methanone (CAS 649570-58-1)
- (E)-2-(Dihydrofuran-2(3H)-ylidene)-1-phenylethanone (CAS 69706-65-6)
- 4-(5-Oxo-2,5-dihydrofuran-3-yl)benzonitrile (CAS 58789-95-0)
Recommended Standards
- 4-Hydroxy-3,5-dimethoxybenzohydrazide (CAS 1443-76-1)
- (Z)-2-cyano-3-(1h-indol-3-yl)acrylicacid (CAS 1453484-21-3)
- methyl 5-fluoro-[1,3]thiazolo[5,4-b]pyridine-2-carboxylate (CAS 1440427-98-4)
- 2-(2-Methoxyethyl)-6-methyl-3-oxo-2,3-dihydropyridazine-4-carboxylic acid (CAS 1457952-11-2)
- n-(2-Aminoethyl)-4-(trifluoromethyl)pyrimidin-2-amine (CAS 215655-29-1)
- 7-Chloro-1-(ethylamino)anthracene-9,10-dione (CAS 61100-77-4)
- 2-Methyl-1-(1-methyl-1H-imidazol-2-yl)propan-1-amine (CAS 927986-27-4)
- Profluthrin (CAS 223419-20-3)
- 2-Chloro-11-(4-methylpiperazino)dibenz[b,f]oxepin maleate (CAS 24140-98-5)
- 1-Sulfamoylpiperidine-3-carboxylic acid (CAS 1016784-46-5)
- Hydrogen ionophore V (CAS 1000849-91-1)
- 4-Isopropoxy-1H-pyrrolo[2,3-b]pyridine (CAS 937797-32-5)
- 1-(6-Ethoxypyridin-2-yl)ethanone (CAS 21190-90-9)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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