4-Carboxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical CAS 37149-18-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 37149-18-1 |
| Molecular Formula | C10H18NO3 |
| Molecular Weight | 200.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Carboxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (CAS 37149-18-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H18NO3. Molecular weight: 200.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H18NO3 |
| Molecular Weight | 200.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-(Isopropylsulfonyl)phenol (CAS 494794-53-5)
- 4'-Ethyl-3-fluoro-1,1'-biphenyl (CAS 948043-99-0)
- 3-Methoxycarbonyl PROXYL (CAS 2154-33-8)
- 4-(3-Methylphenazin-2-yl)morpholine (CAS 61155-57-5)
- 3-methyl-1-phenyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 497833-15-5)
- Sitagliptin Impurity 174 HCl (CAS 486459-88-5（free base）)
- Isophorone Oxide (CAS 10276-21-8)
- DL-Ceftizoxime Impurity N2 (CAS 68697-60-9)
- 5,6,7,8-Tetrahydro-9H-cyclohepta[b]pyridin-9-one (CAS 41043-13-4)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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