1,5-Dioxaspiro[5.5]undecane-2,4-dione CAS 1658-27-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1658-27-1 |
| Molecular Formula | C9H12O4 |
| Molecular Weight | 184.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,5-Dioxaspiro[5.5]undecane-2,4-dione (CAS 1658-27-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H12O4. Molecular weight: 184.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H12O4 |
| Molecular Weight | 184.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1957 |
Related Dioxaspiro Standards
- 2-{1,4-dioxaspiro[4.5]decan-8-yl}acetaldehyde (CAS 143948-97-4)
- 1-{1,4-Dioxaspiro[4.5]decan-6-yl}ethanone (CAS 16111-99-2)
- 1-(1,4-Dioxaspiro[4.5]decan-8-yl)ethan-1-one (CAS 35477-39-5)
- 2-{1,4-dioxaspiro[4.5]decan-6-yl}acetaldehyde (CAS 809233-15-6)
- 7,12-Dioxaspiro[5.6]Dodecan-3-one (CAS 80427-20-9)
- 1,4-Dioxaspiro[4.5]decane-8-carboxamide (CAS 30482-24-7)
- (8-Methyl-1,4-dioxaspiro[4.5]Decan-8-yl)methanamine (CAS 1207111-64-5)
- 1,4-Dioxaspiro[4.5]decane-8-ethanamine (CAS 124499-34-9)
Recommended Standards
- Ethyl 3-Isopropyl-1,2,4-oxadiazole-5-carboxylate (CAS 163719-70-8)
- 5-aminoisatoic anhydride (CAS 169037-24-5)
- 2-(5-Methoxy-1,3-dimethyl-1H-pyrazol-4-yl)acetic acid (CAS 1596785-55-5)
- 3-[(pyridin-3-ylmethyl)amino]propanoic acid dihydrochloride (CAS 1251923-50-8)
- 5-Bromo-4-ethoxyindole-3-acetic acid (CAS 1227593-60-3)
- Tert-butyl (S)-4-(2-(tert-butoxy)-2-oxoethyl)-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide (CAS 1799681-88-1)
- ((2S,5R)-5-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,5-dihydrofuran-2-yl)methyl acetate (CAS 42867-74-3)
- 4-(1-Ethyl-1h-1,2,4-triazol-5-yl)butan-2-ol (CAS 1485273-32-2)
- 2-((5-Benzyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(4-phenylthiazol-2-yl)acetamide (CAS 332922-41-5)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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