4-Hydroxy-2,2,6,6-tetramethylpiperidine-d17-1-oxyl CAS 100326-46-3
| CAS No. | 100326-46-3 |
| Molecular Formula | - |
| Molecular Weight | 189.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-2,2,6,6-tetramethylpiperidine-d17-1-oxyl (CAS 100326-46-3), molecular formula C9HD17NO2 and molecular weight 189.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Hydroxy-2,2,6,6-tetramethylpiperidine-d17-1-oxyl (C9HD17NO2) contains deuterium isotope labeling, an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 189.35 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Hydroxy-2,2,6,6-tetramethylpiperidine-d17-1-oxyl meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9HD17NO2 |
| Molecular Weight | 189.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1-(5-(Cyclopropylmethoxy)pyridin-2-yl)ethanone (CAS 1548045-20-0)
- Benzyl ((1-((S)-2-aminopropanoyl)pyrrolidin-2-yl)methyl)(cyclopropyl)carbamate (CAS 1354025-76-5)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
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