(R)-2-((tert-Butoxycarbonyl)amino)-3-(thiophen-2-yl)propanoic acid CAS 78452-55-8
| CAS No. | 78452-55-8 |
| Molecular Formula | C12H17NO4S |
| Molecular Weight | 271.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H17NO4S, (R)-2-((tert-Butoxycarbonyl)amino)-3-(thiophen-2-yl)propanoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 271.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(R)-2-((tert-Butoxycarbonyl)amino)-3-(thiophen-2-yl)propanoic acid (CAS 78452-55-8), molecular formula C12H17NO4S and molecular weight 271.33 g/mol, is a CATO reference standard with documented purity and traceability.
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), (R)-2-((tert-Butoxycarbonyl)amino)-3-(thiophen-2-yl)propanoic 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.
Physical & Chemical Properties
| Molecular Formula | C12H17NO4S |
| Molecular Weight | 271.33 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- (Phenylsulfonyl)-L-leucine (CAS 68305-76-0)
- (R)-2-((tert-Butoxycarbonyl)amino)-3-(thiophen-3-yl)propanoic acid (CAS 226880-86-0)
- (3R,5S)-5-(hydroxymethyl)-1-tosylpyrrolidin-3-ol (CAS 5605-46-9)
- (R)-3-((Tert-butoxycarbonyl)amino)-3-(thiophen-2-yl)propanoic acid (CAS 500788-98-7)
- Acetic acid, 2-[(4-ethynylphenyl)amino]-2-oxo-, ethyl ester (CAS 1246095-90-8)
- 4'-Bromo-2,3',4,5',6-pentaisopropyl-1,1'-biphenyl (CAS 1925423-11-5)
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- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
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