Ethyl 1-oxospiro[4.4]nonane-2-carboxylate CAS 858802-70-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 858802-70-7 |
| Molecular Formula | C12H18O3 |
| Molecular Weight | 210.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 1-oxospiro[4.4]nonane-2-carboxylate (CAS 858802-70-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H18O3. Molecular weight: 210.27 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H18O3 |
| Molecular Weight | 210.27 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 chloroform, dichloromethane, ethyl acetate, 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.) | 1987 |
Related Ethyl Standards
- Methyl 6-oxospiro[4.5]decane-7-carboxylate (CAS 1093270-59-7)
- Methyl 3-oxospiro[3.6]Decane-1-carboxylate (CAS 1271911-13-7)
- ETHYL 7-OXOSPIRO[3.5]NONANE-6-CARBOXYLATE (CAS 1424995-17-4)
- ethyl 2-oxospiro[3.5]nonane-7-carboxylate (CAS 1615656-09-1)
- 9-Oxospiro[5.5]Undecane-3-carboxylic acid (CAS 2091321-96-7)
- 2'-oxospiro[cyclopropane-2,3'-indoline]-1-carboxylic acid (CAS 67503-08-6)
- 4-Oxospiro[1,2,3,4-tetrahydroquinazoline-2,1’-cyclobutane]-5-carbonitrile (CAS 1272756-09-8)
- 2-Oxospiro[indoline-3,3'-pyrrolidine]-4'-carbonitrile (CAS 1423117-09-2)
Recommended Standards
- Ethyl 1-ethyl-3-propyl-1H-pyrazole-4-carboxylate (CAS 476687-36-2)
- Ethyl 2-(1-ethyl-3,5-dimethyl-1H-pyrazol-4-yl)acetate (CAS 956934-42-2)
- Ethyl 1-ethyl-3-isopropyl-1H-pyrazole-4-carboxylate (CAS 476687-37-3)
- 1142199-02-7 (4E)-3-(Chloromethyl)-4-(2,3-dimethoxybenzylidene)isoxazol-5(4H)-one MFCD12027786 (CAS 1142199-02-7)
- Methyl 1-(2-(o-tolyloxy)acetyl)-1H-indole-3-carboxylate (CAS 424810-09-3)
- 3-Bromo-6-phenylpyrazolo[1,5-a]pyrimidine (CAS 1039364-87-8)
- 5-Methylisoquinoline-3-carboxylic acid (CAS 1781933-12-7)
- 2-(Chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylic acid (CAS 1804366-99-1)
- 8-oxabicyclo[3.2.1]octan-3-ylmethanamine (CAS 99799-76-5)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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