(2S,4S)-1-(tert-butoxycarbonyl)-4-(thiophen-2-ylmethyl)pyrrolidine-2-carboxylic acid CAS 959575-44-1
| CAS No. | 959575-44-1 |
| Molecular Formula | C15H21NO4S |
| Molecular Weight | 311.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2S,4S)-1-(tert-butoxycarbonyl)-4-(thiophen-2-ylmethyl)pyrrolidine-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,4S)-1-(tert-butoxycarbonyl)-4-(thiophen-2-ylmethyl)pyrrolidine-2-carboxylic acid (CAS 959575-44-1), molecular formula C15H21NO4S and molecular weight 311.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2S,4S)-1-(tert-butoxycarbonyl)-4-(thiophen-2-ylmethyl)pyrrolidine-2-carboxylic acid (C15H21NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 311.40 g/mol, it falls into the moderately-high-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 | C15H21NO4S |
| Molecular Weight | 311.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- (2S,4R)-1-(tert-Butoxycarbonyl)-4-(thiophen-3-ylmethyl)pyrrolidine-2-carboxylic acid (CAS 959582-97-9)
- (E)-4,4-dimethyl-3-oxo-2-(((4-phenylthiazol-2-yl)amino)methylene)pentanenitrile (CAS 946387-41-3)
- (1-Acetylpiperidin-4-yl)methyl 4-methylbenzenesulfonate (CAS 846057-25-8)
- (R)-1-(tert-butoxycarbonyl)-2-(thiophen-2-ylmethyl)pyrrolidine-2-carboxylic acid (CAS 959578-32-6)
- 2-[[(Guanidino)(imino)methyl]sulfanyl]ethanesulfonic Acid-d4 (CAS 1794941-90-4)
- N-[(1S,2S)-2-(Dimethylamino)cyclohexyl]-N'-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)thiourea (CAS 1133834-54-4)
- 2-amino-3,3,3-trifluoro-2-methylpropanoic acid hydrochloride (CAS 115476-23-8)
- 2-Chloro-5-methyl-4-nitropyridine 1-oxide (CAS 60323-96-8)
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- 3-Bromopyridine-2-sulfonyl chloride (CAS 1209950-34-4)
- Posaconazole Impurity 170 (CAS CATO-C4X-1208170)
- 4-((2,5-Difluorobenzyl)oxy)benzaldehyde (CAS 1272111-71-3)
- N-(4-Amino-5-cyano-6-ethoxypyridin-2-yl)-2-(2,5-dimethoxyphenyl)acetamide (CAS 894804-07-0)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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