(2S,4R)-4-Hydroxy-2-methylpyrrolidine-2-carboxylic acid CAS 97673-81-9
| CAS No. | 97673-81-9 |
| Molecular Formula | C6H11NO3 |
| Molecular Weight | 145.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2S,4R)-4-Hydroxy-2-methylpyrrolidine-2-carboxylic acid 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.
(2S,4R)-4-Hydroxy-2-methylpyrrolidine-2-carboxylic acid (CAS 97673-81-9), molecular formula C6H11NO3 and molecular weight 145.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2S,4R)-4-Hydroxy-2-methylpyrrolidine-2-carboxylic acid (C6H11NO3) contains an amino-acid-derived structure, an amide 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 145.16 g/mol, it falls into the low-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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C6H11NO3 |
| Molecular Weight | 145.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2S,4R)-4-(Hydroxymethyl)pyrrolidine-2-carboxylic acid (CAS 273221-96-8)
- (2S,4S)-4-hydroxy-4-methylpyrrolidine-2-carboxylic acid (CAS 459457-01-3)
- (2S,3S)-3-hydroxypiperidine-2-carboxylic acid (CAS 208649-02-9)
- (2S,4S)-4-hydroxypiperidine-2-carboxylic acid (CAS 4382-31-4)
- 2-(1-Chloroethyl)-5-(4-fluorophenyl)oxazole (CAS 1094318-38-3)
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