(S)-Dibenzyl 2-aminopentanedioate CAS 2768-50-5
| CAS No. | 2768-50-5 |
| Molecular Formula | C19H21NO4 |
| Molecular Weight | 327.37 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.
(S)-Dibenzyl 2-aminopentanedioate (CAS 2768-50-5), molecular formula C19H21NO4 and molecular weight 327.37 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-Dibenzyl 2-aminopentanedioate (C19H21NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 327.37 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C19H21NO4 |
| Molecular Weight | 327.37 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related S Standards
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Recommended Standards
- (S)-Diallyl 2-((tert-butoxycarbonyl)amino)pentanedioate (CAS 212569-21-6)
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- (S)-2-([1,1'-Biphenyl]-4-yl)-2-((tert-butoxycarbonyl)amino)acetic acid (CAS 225517-19-1)
- [(1S,2R)-1-(N-Methylacetamido)-1H,2H,3H-naphtho[2,1-b]pyran-2-yl]methyl acetate (CAS 318959-01-2)
- 2,2-dimethylpropyl trifluoromethanesulfonate (CAS 66687-89-6)
- (3-(4-Chlorophenoxy)phenyl)(cyano)methyl 3-(2-Chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropanecarboxylate (CAS 89111-09-1)
- Methyl 5-Methyl-2-(methylsulfonyl)benzoate (CAS 1368374-12-2)
- tert-Butyl (2-(2-chloro-2-phenylacetamido)ethyl)carbamate (CAS 1420800-29-8)
- 2-(1H-Imidazol-1-yl)quinolin-8-ol (CAS 648896-33-7)
- 5-Iodo-N,N-dimethyl-4-(1-(methylsulfonyl)piperidin-4-yl)pyrimidin-2-amine (CAS 1361111-99-0)
- 4'-Chloro-3-hydroxy-[1,1'-biphenyl]-4-carbaldehyde (CAS 343603-96-3)
- 2-(2-methoxypyridin-4-yl)acetic acid hydrochloride (CAS 1803608-38-9)
- 5-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 1259279-57-6)
- Peptide 440 (CAS CATO-CPTD788440)
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