Dimethyl 2-(4,4-dimethyl-2-oxodihydrofuran-3(2H)-ylidene)malonate CAS 71817-25-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71817-25-9 |
| Molecular Formula | C11H14O6 |
| Molecular Weight | 242.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Dimethyl 2-(4,4-dimethyl-2-oxodihydrofuran-3(2H)-ylidene)malonate (CAS 71817-25-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H14O6. Molecular weight: 242.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H14O6 |
| Molecular Weight | 242.23 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.) | 1977 |
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Recommended Standards
- Diethyl 2-(5-oxodihydrofuran-2(3H)-ylidene)malonate (CAS 85152-95-0)
- Di(prop-2-yn-1-yl) terephthalate (CAS 4631-69-0)
- Ethyl (2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethyl)carbamate (CAS 55455-44-2)
- N-((1-Isopropyl-5-methyl-1H-pyrazol-4-yl)methyl)-3-morpholinopropan-1-amine dihydrochloride (CAS 1856079-23-6)
- 1,1'-(Propane-1,2-diyl)bis(3-phenylurea) (CAS 91625-84-2)
- 4-Isothiocyanato-N-(2-phenylethyl)-benzenesulfonamide (CAS 956576-73-1)
- tert-Butyl 3-((2-ethoxy-2-oxoethyl)-thio)azetidine-1-carboxylate (CAS 1648864-56-5)
- Batimastat Sodium (CAS 130464-84-5)
- (R)-3-(2,2,2-trifluoroethyl)pyrrolidine (CAS 1430091-56-7)
- Liraglutide(10-22)TFA Salt (CAS CATO-C4X-199211)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com