(R)-4-Nitrophenyl 2-((tert-butoxycarbonyl)amino)-3-phenylpropanoate CAS 16159-70-9
| CAS No. | 16159-70-9 |
| Molecular Formula | C20H22N2O6 |
| Molecular Weight | 386.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H22N2O6, (R)-4-Nitrophenyl 2-((tert-butoxycarbonyl)amino)-3-phenylpropanoate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 386.40 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.
CATO supplies (R)-4-Nitrophenyl 2-((tert-butoxycarbonyl)amino)-3-phenylpropanoate (CAS 16159-70-9), a certified reference material (molecular formula C20H22N2O6, MW 386.40 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C20H22N2O6 |
| Molecular Weight | 386.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
Related R Standards
- 4-Nitrophenyl ((benzyloxy)carbonyl)-D-leucinate (CAS 52235-17-3)
- N-(4-(5-(2-Nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)benzamide (CAS 648430-65-3)
- 4-Methyl-2-(4-nitrophenyl)-6-(phenylamino)quinazoline-5,8-dione (CAS 61416-87-3)
- 5-(3-Nitrophenyl)-2-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 1000575-65-4)
- 5-(4-Nitrophenyl)-2-(2,4,6-trichlorophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 1000575-74-5)
- 4-Nitrophenyl 2-(2-(((benzyloxy)carbonyl)amino)acetamido)acetate (CAS 13574-81-7)
- 7-Methyl-7-(4-nitrophenyl)-3-phenyltetrahydro-5H-imidazo[1,5-b][1,2,4]triazole-2,5(3H)-dithione (CAS 400084-38-0)
- 1-(3-Nitrophenyl)-3-(p-tolyl)tetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one 5,5-dioxide (CAS 881439-97-0)
Recommended Standards
- (2R,2'R,3R,3'R)-BIBOP (CAS 1610785-35-7)
- (E)-Ethyl 3-((2,6-dimethoxypyrimidin-4-yl)amino)-2-(p-tolylcarbamoyl)acrylate (CAS 172753-10-5)
- (-)-Praeruptorin A (CAS 14017-71-1)
- 1-((1-(Benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-3-(2,6-difluorophenyl)urea (CAS 1797575-31-5)
- (2-((2-Isopropyl-5-methylphenoxy)methyl)phenyl)boronic acid (CAS 1072951-87-1)
- 2-(4-Chlorobenzyl)propane-1,3-diol (CAS 129843-26-1)
- 5-Bromo-1,3-dihydrobenzoimidazol-2-one (CAS 39513-26-3)
- Tert-butyl isopropyl(piperidin-2-ylmethyl)carbamate (CAS 1353953-36-2)
- tert-Butyl (4-(hydroxymethyl)-2-methoxyphenyl)carbamate (CAS 708261-14-7)
- 6-(Cyclopent-3-en-1-yloxy)nicotinic acid (CAS 1355334-64-3)
- (3-((3-Chloropropyl)carbamoyl)phenyl)boronic acid (CAS 874288-10-5)
- 3-Hydroxy-5-(trifluoromethoxy)benzaldehyde (CAS 1261852-80-5)
- 5-Amino-4-(1H-benzo[d]imidazol-2-yl)-1-(3,4-dimethoxyphenethyl)-1,2-dihydro-3H-pyrrol-3-one (CAS 213251-03-7)
- PACAP-Related Peptide (PRP), rat (CAS 132769-35-8)
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