(R)-3-((tert-Butoxycarbonyl)amino)-4-(3,4-dichlorophenyl)butanoic acid CAS 269396-56-7
| CAS No. | 269396-56-7 |
| Molecular Formula | C15H19Cl2NO4 |
| Molecular Weight | 348.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(R)-3-((tert-Butoxycarbonyl)amino)-4-(3,4-dichlorophenyl)butanoic acid (CAS 269396-56-7), molecular formula C15H19Cl2NO4 and molecular weight 348.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (R)-3-((tert-Butoxycarbonyl)amino)-4-(3,4-dichlorophenyl)butanoic acid (C15H19Cl2NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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 348.22 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures (R)-3-((tert-Butoxycarbonyl)amino)-4-(3,4-dichlorophenyl)butanoic 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 | C15H19Cl2NO4 |
| Molecular Weight | 348.22 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; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-dichlorophenyl)butanoic acid (CAS 269396-53-4)
- (S)-3-((tert-Butoxycarbonyl)amino)-4-(2,4-dichlorophenyl)butanoic acid (CAS 270063-48-4)
- (5-Amino-1-(4-bromophenyl)-1H-pyrazol-4-yl)(thiophen-2-yl)methanone (CAS 618091-98-8)
- (S)-3-(Boc-amino)-4-(3,4-dichlorophenyl)butanoic Acid (CAS 270063-51-9)
- 4-(Difluoromethoxy)-2-fluorobenzonitrile (CAS 1017779-49-5)
- 2-(Benzylthio)-N-methoxy-N-methylacetamide (CAS 191731-38-1)
- Diclofenac impurity f (CAS 124426-56-8)
- tert-Butyl((S)-1-(((S)-1-cyano-2-phenylethyl)amino)-1-oxo-3-phenylpropan-2-yl)carbamate (CAS 1212136-72-5)
- Halofuginone RC 4 (CAS 1246816-41-0)
- 5-[(4-Bromo-1H-pyrazol-1-yl)methyl]-2-furohydrazide (CAS 402729-65-1)
- methyl 7-chloroimidazo[1,5-a]pyridine-5-carboxylate (CAS 1427448-43-8)
- N-(4,5-dihydro-1H-imidazol-2-yl)thiazol-2-amine (CAS 870538-89-9)
- 2-(2-Chlorophenyl)-5-methylmorpholine hydrochloride (CAS 1311314-98-3)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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