2-(1H-pyrazol-4-yl)-2-azaspiro[4.4]Nonane-1,3-dione CAS 1155116-28-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1155116-28-1 |
| Molecular Formula | C11H13N3O2 |
| Molecular Weight | 219.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(1H-pyrazol-4-yl)-2-azaspiro[4.4]Nonane-1,3-dione (CAS 1155116-28-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H13N3O2. Molecular weight: 219.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H13N3O2 |
| Molecular Weight | 219.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2,4,5-Trimethyl-N-(1h-pyrazol-4-yl)furan-3-carboxamide (CAS 1154945-91-1)
- 4-[cyclopropyl(methyl)carbamoyl]benzoic acid (CAS 1155169-16-6)
- 2-(6-Amino-2-oxo-3,4-dihydroquinolin-1(2H)-yl)acetamide (CAS 1154397-88-2)
- (2-Bromo-6-fluoro-3-methylphenyl)(methyl)sulfane (CAS 1823520-30-4)
- (4-(tert-Butyl)phenyl)(imino)(methyl)-l6-sulfanone (CAS 1572019-76-1)
- Methyl 2-((2-oxo-2-phenylethyl)amino)acetate (CAS 158457-27-3)
- Ethyl 2-cyclohexyl-2-oxoacetate (CAS 13275-31-5)
- 2-(2-Aminoethyl)-1,3-dioxolane (CAS 5754-35-8)
- 2-Chloro-5-phenoxypyridine (CAS 73406-95-8)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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