Spiro[5.5]undecane-2,4-dione CAS 1481-99-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1481-99-8 |
| Molecular Formula | C11H16O2 |
| Molecular Weight | 180.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Spiro[5.5]undecane-2,4-dione (CAS 1481-99-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H16O2. Molecular weight: 180.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H16O2 |
| Molecular Weight | 180.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Spiro Standards
- spiro[chromane-3,1'-cyclopropane]-4-one (CAS 1368407-47-9)
- spiro[5.5]undecane-3,9-dione (CAS 5607-35-2)
- Spiro[bicyclo[2.2.1]heptane-2,4'-imidazolidine]-2',5'-dione (CAS 22264-49-9)
- Spiro[5.5]undecane-3-carbaldehyde (CAS 869769-23-3)
- Spiro[5.6]dodecan-7-one (CAS 4728-90-9)
- Spiro[3.3]hepta-1,5-diene-2,6-dicarboxylic acid (CAS 52097-95-7)
- Spiro[2.2]pentan-1-ylmethanesulfonyl chloride (CAS 2137750-67-3)
- Spiro[1-azabicyclo[2.2.2]octane-3,5′(4′H)-oxazol]-2′-amine (CAS 138272-87-4)
Recommended Standards
- 4-Isopropoxy-2,6-dimethylphenol (CAS 1449008-20-1)
- 1-(Benzyloxy)butan-2-ol (CAS 14869-00-2)
- 1-(4-(Methoxymethyl)phenyl)propan-1-ol (CAS 1443343-72-3)
- tert-Butyl 2-((2-amino-N-isopropylacetamido)methyl)piperidine-1-carboxylate (CAS 1353975-35-5)
- 5-Chloro-2-(difluoromethoxy)benzaldehyde (CAS 145742-68-3)
- 6-Bromo-1,1-dioxo-3,4-dihydro-2H-thiochromen-4-amine hydrochloride (CAS 1172986-17-2)
- 5-Methyl-2-(1-naphthylmethoxy)aniline (CAS 946682-84-4)
- Methyl 2-(5-amino-2-fluorophenyl)acetate (CAS 1338367-30-8)
- (2-methoxy-5-(N-methylsulfamoyl)phenyl)boronic acid (CAS 1704081-32-2)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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