(R)-tert-Butyl 3-(((methylsulfonyl)oxy)-methyl)pyrrolidine-1-carboxylate 177947-76-1 CAS 177947-76-1
| CAS No. | 177947-76-1 |
| Molecular Formula | C11H21NO5S |
| Molecular Weight | 279.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(R)-tert-Butyl 3-(((methylsulfonyl)oxy)-methyl)pyrrolidine-1-carboxylate 177947-76-1 (CAS 177947-76-1), molecular formula C11H21NO5S and molecular weight 279.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (R)-tert-Butyl 3-(((methylsulfonyl)oxy)-methyl)pyrrolidine-1-carboxylate 177947-76-1 (C11H21NO5S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 279.35 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H21NO5S |
| Molecular Weight | 279.35 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) | 2.0 |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Olanzapine Impurity 70 (CAS 1902955-67-2)
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- 6-Benzyl-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 80030-90-6)
- 3-Methylcinnolin-4(1H)-one (CAS 7317-82-0)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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