(R)-3-(4-Boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid CAS 111771-57-4
| CAS No. | 111771-57-4 |
| Molecular Formula | C14H20BNO6 |
| Molecular Weight | 309.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (R)-3-(4-Boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoic 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.
(R)-3-(4-Boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 111771-57-4) is a high-purity analytical reference standard with the molecular formula C14H20BNO6 and a molecular weight of 309.12 g/mol.
Based on its molecular formula C14H20BNO6, (R)-3-(4-Boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 309.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C14H20BNO6 |
| Molecular Weight | 309.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
Related R Standards
- 3-(4-Boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 266999-35-3)
- N-(4-Boronophenyl)-1,3-propanesultam (CAS 1778667-07-4)
- 4-((3-Boronophenyl)amino)-4-oxobutanoic acid (CAS 31754-00-4)
- 4-((4-Boronophenyl)amino)-4-oxobutanoic acid (CAS 480424-95-1)
- 1-(3-Boronophenyl)cyclopentane-1-carboxylic acid (CAS 1016644-54-4)
- 5-(3-Boronophenyl)pentanoic acid (CAS 1072946-56-5)
- (4-BORONOPHENYL)(PYRROLIDIN-1-YL)METHANONE 389621-81-2 4-BORONO-N-(1-PYRROLIDINYL)BENZAMIDE 4-PYRROLIDINYLCARBONYLPHENYLBORONIC ACID BC002043 BORONIC ACID, [4-(1-PYRROLIDINYLCARBONYL)PHENYL]- [4-(1-PYRROLIDINYLCARBONYL)PHENYL]-BORONIC ACID (CAS 389621-81-2)
- 2-(3-Boronophenyl)-2-methylpropanoic acid (CAS 885068-00-8)
Recommended Standards
- 8-([1,1'-Biphenyl]-4-yl)-4-methyldihydro-4l4,8l4-[1,3,2]oxazaborolo[2,3-b][1,3,2]oxazaborole-2,6(3H,5H)-dione (CAS 1104636-67-0)
- 5-Bromo-N-(4-methyl-3-nitrophenyl)pyrimidin-2-amine (CAS 1123515-36-5)
- 3-Bromo-1-(2-methyl-4-nitrophenyl)pyridin-2(1H)-one (CAS 1093183-33-5)
- 3-Bromo-4-(5-cyclopropyl-1,2,4-oxadiazol-3-yl)benzoic acid (CAS 1131594-56-3)
- 6-Bromo-5-fluoro-3-pyridineacetonitrile (CAS 1227591-14-1)
- 5-Bromo-6-methoxy-1H-indazole-3-carboxylic acid methyl ester (CAS 1134328-15-6)
- 1,1-Dimethylethyl 3-[2-[4-[2-[2-(2-aminoethoxy)ethoxy]ethyl]-1-piperazinyl]ethoxy]propanoate (CAS 2642231-87-4)
- 5-(4-Methoxyphenyl)-6-(pyridin-4-yl)-2,3-dihydroimidazo[2,1-b]thiazole (CAS 72873-71-3)
- 3-Cyano-6-cyclopropyl-2-(methylsulfanyl)pyridine-4-carboxylic acid (CAS 878466-06-9)
- 4'-Fluoro-[1,1'-biphenyl]-2-amine (CAS 321-63-1)
- (R)-1-(2,3-difluorobenzyl)piperidin-3-amine (CAS 1222711-85-4)
- N-(2-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)thiazol-4-yl)ethyl)-2-methylbenzamide (CAS 1421481-32-4)
- 6-Aminobenzo[d]isoxazol-3(2H)-one (CAS 149897-43-8)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com