(S)-4-Nitrobenzyl 4-amino-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoate CAS 3561-56-6
| CAS No. | 3561-56-6 |
| Molecular Formula | C19H19N3O7 |
| Molecular Weight | 401.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(S)-4-Nitrobenzyl 4-amino-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoate (CAS 3561-56-6) is a high-purity analytical reference standard with the molecular formula C19H19N3O7 and a molecular weight of 401.37 g/mol.
(S)-4-Nitrobenzyl 4-amino-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoate (C19H19N3O7) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H19N3O7 |
| Molecular Weight | 401.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
Related S Standards
- (R)-4-Nitrobenzyl 4-amino-2-(((benzyloxy)carbonyl)amino)-4-oxobutanoate (CAS 58578-32-8)
- N-(5-((4-Nitrobenzyl)thio)-1,3,4-thiadiazol-2-yl)-3-phenylpropanamide (CAS 476464-69-4)
- 3-((4-Nitrobenzyl)thio)-5,6-diphenyl-1,2,4-triazine (CAS 332109-90-7)
- (4-Nitrobenzyl)triphenylphosphonium chloride (CAS 1530-42-3)
- (4-Nitrobenzyl)triphenylphosphonium (CAS 18583-39-6)
- 1-((4-Nitrobenzyl)oxy)-4,6-diphenylpyridin-2(1H)-one (CAS 65218-80-6)
- 2-(4-((4-Nitrobenzyl)oxy)phenyl)-4-(p-tolyl)pyrimidine (CAS 477846-99-4)
- 13-(4-Nitrobenzyl)-6,13-dihydro-5H-indolo[3,2-c]acridine (CAS 860644-67-3)
Recommended Standards
- 2-(4,5-Dimethoxy-2-nitrophenyl)-1H-imidazo[4,5-b]phenazine (CAS 303059-18-9)
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- 3-[3,5-Bis(trifluoromethyl)phenyl]-1-[2-(morpholin-4-yl)ethyl]thiourea (CAS 220635-34-7)
- 4-((2-(4-Nitrophenyl)hydrazono)methyl)benzene-1,3-disulfonic acid (CAS 197583-89-4)
- 6-oxo-N-(prop-2-yn-1-yl)-1,6-dihydropyridine-3-carboxamide (CAS 1040070-36-7)
- 8-Fluoro-3,4-dihydrobenzo[b]oxepin-5(2H)-one (CAS 127557-04-4)
- 4-Nitro-1-(pyrrolidinocarbonyl)benzene (CAS 53578-11-3)
- Azostatin Impurity 39 (CAS CATO-C4X-139639)
- 1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(6-methyl-4-oxo-1,4-dihydropyrimidin-2-yl)guanidine (CAS 51388-13-7)
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- 29268-15-3 N-(Methylsulfonyl)-DL-phenylalanine MFCD06434623 (CAS 29268-15-3)
- (E)-Ethyl 5-(2-(furan-2-yl)vinyl)-3-oxo-1,2,3,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate (CAS 5989-59-3)
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- [3-31]-Semaglutide D (CAS C152H230N42O47)
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