1,4-dimethyl 2,5-dihydroxycyclohexa-1,4-diene-1,4-dicarboxylate CAS 27712-87-4
| CAS No. | 27712-87-4 |
| Molecular Formula | C10H12O6 |
| Molecular Weight | 228.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
1,4-dimethyl 2,5-dihydroxycyclohexa-1,4-diene-1,4-dicarboxylate (CAS 27712-87-4), molecular formula C10H12O6 and molecular weight 228.20 g/mol, is a CATO reference standard with documented purity and traceability.
1,4-dimethyl 2,5-dihydroxycyclohexa-1,4-diene-1,4-dicarboxylate (C10H12O6) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C10H12O6 |
| Molecular Weight | 228.20 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.) | 1964 |
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Recommended Standards
- 1,3-dihydroxy-9H-xanthen-9-one (CAS 3875-68-1)
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- Rosuvastatin Impurity 226 (CAS CATO-C4X-1169226)
- 1,5-dimethyl-1H-imidazole-4-carbaldehyde (CAS 368833-95-8)
- 3-Isopropyl-1H-pyrazol-4-ol (CAS 1394926-92-1)
- 5-Chloro-1,2,3-thiadiazole-4-carboxamide (CAS 64837-51-0)
- 5,7-Dimethyl-1,8-naphthyridin-2-ol (CAS 51420-71-4)
- Benzo[1,2-d:3,4-d':5,6-d'']tris(thiazole)-2,5,8-triamine (CAS 92403-27-5)
- Semaglutide Impurity 183 (CAS 159541-28-3)
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