5-(1-Hydroxypropylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione CAS 66696-76-2
| CAS No. | 66696-76-2 |
| Molecular Formula | C9H12O5 |
| Molecular Weight | 200.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(1-Hydroxypropylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 66696-76-2) is a high-purity analytical reference standard with the molecular formula C9H12O5 and a molecular weight of 200.19 g/mol.
Based on its molecular formula C9H12O5, 5-(1-Hydroxypropylidene)-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 200.19 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).
CATO manufactures 5-(1-Hydroxypropylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione 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 | C9H12O5 |
| Molecular Weight | 200.19 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
Recommended Standards
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- 5-(3-Formylphenyl)furan-2-carbaldehyde (CAS 886509-16-6)
- NQDI-1 (CAS 175026-96-7)
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- 7-Chlorospiro[indoline-3,4'-piperidin]-2-one hydrochloride (CAS 1823549-10-5)
- Propionic acid sodium salt 13C, D3 (CAS 158814-19-8)
- Nigellimine (CAS 4594-02-9)
- 3,10-Dimethylquinolino[2,3-b]acridine-7,14(5H,12H)-dione (CAS 16043-40-6)
- 1-(2-Chloro-4,5-difluorophenyl)ethanone (CAS 121872-94-4)
- 4-(But-3-en-2-yl)-3-hydroxy-5-methoxybenzoic acid (CAS 81184-33-0)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
Why CATO?
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