(R)-2-((tert-Butoxycarbonyl)amino)-2-(3,4-dichlorophenyl)acetic acid CAS 1241683-86-2
| CAS No. | 1241683-86-2 |
| Molecular Formula | C13H15Cl2NO4 |
| Molecular Weight | 320.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 320.17 g/mol gives (R)-2-((tert-Butoxycarbonyl)amino)-2-(3,4-dichlorophenyl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(R)-2-((tert-Butoxycarbonyl)amino)-2-(3,4-dichlorophenyl)acetic acid (CAS 1241683-86-2), molecular formula C13H15Cl2NO4 and molecular weight 320.17 g/mol, is a CATO reference standard with documented purity and traceability.
(R)-2-((tert-Butoxycarbonyl)amino)-2-(3,4-dichlorophenyl)acetic acid (C13H15Cl2NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures (R)-2-((tert-Butoxycarbonyl)amino)-2-(3,4-dichlorophenyl)acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H15Cl2NO4 |
| Molecular Weight | 320.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-2-((tert-Butoxycarbonyl)amino)-2-(3,4-dichlorophenyl)acetic acid (CAS 1241678-17-0)
- 2-(1,1-Dimethylethyl)-4-iodo-1,3-dimethoxy-benzene (CAS 1243853-03-3)
- (R)-2-((tert-Butoxycarbonyl)amino)-2-(2,3-dichlorophenyl)acetic acid (CAS 1228561-32-7)
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