1,1-Diethyl 3-oxocyclobutane-1,1-dicarboxylate CAS 99173-61-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99173-61-2 |
| Molecular Formula | C10H14O5 |
| Molecular Weight | 214.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1-Diethyl 3-oxocyclobutane-1,1-dicarboxylate (CAS 99173-61-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H14O5. Molecular weight: 214.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H14O5 |
| Molecular Weight | 214.22 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.) | 1985 |
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Recommended Standards
- 1-(tert-Butyl)-2-(5-oxo-2,5-dihydrofuran-3-yl)hydrazinecarboxylic acid (CAS 354129-82-1)
- 1,1-Dioxido-2,3-dihydrothiophen-3-yl hydrogen sulfate (CAS 69071-73-4)
- 1-(4-(Pyrazin-2-yloxy)phenyl)ethan-1-one (CAS 866156-98-1)
- 2-(Cyclopentylamino)benzoic acid (CAS 39062-52-7)
- 6-Bromo-1H-indole-3-carbonitrile (CAS 224434-83-7)
- 2-Methyl-3-phenylquinazoline-4(3H)-thione (CAS 13193-50-5)
- 3-Amino-2-(2,4-difluorobenzyl)propanoic acid (CAS 1260587-60-7)
- 2-(2-Bromo-4-fluorophenoxy)-n-ethoxyacetamide (CAS 1197466-05-9)
- 4-Methoxy-3,3-dimethyl-1,3-dihydro-indol-2-one (CAS 192928-47-5)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com