(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(methylselanyl)propanoic acid CAS 1369530-28-8
| CAS No. | 1369530-28-8 |
| Molecular Formula | C19H19NO4Se |
| Molecular Weight | 404.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(methylselanyl)propanoic acid (CAS 1369530-28-8), molecular formula C19H19NO4Se and molecular weight 404.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(methylselanyl)propanoic acid (C19H19NO4Se) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 404.32 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.
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 | C19H19NO4Se |
| Molecular Weight | 404.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Recommended Standards
- tert-butyl 6-bromo-5-fluoro-1-oxo-spiro[indane-2,4'-piperidine]-1'-carboxylate (CAS 2245084-46-0)
- Fmoc-3-(Methylseleno)-Ala-OH (CAS 1369532-59-1)
- N-cyclohexyl-4-((3,4-dichloro-1-methyl-1H-pyrazol-5-yl)oxy)benzenesulfonamide (CAS 318284-25-2)
- 3-(2-Bromophenyl)-N-(furan-3-ylmethyl)-N-(thiophen-2-ylmethyl)propanamide (CAS 1796991-79-1)
- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)-1H-pyrazole (CAS 1315281-50-5)
- H-Leu-D-Phe-OH (CAS 21675-59-2)
- 3-[1-(3-Hydroxypropyl)-1H-indol-3-yl]-4-(1-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione (CAS 125313-60-2)
- N-(3-(1H-Pyrazol-3-yl)phenyl)-2-(4-fluorophenyl)acetamide (CAS 1206992-21-3)
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