(S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxybutanoic acid CAS 898529-38-9
| CAS No. | 898529-38-9 |
| Molecular Formula | C19H19NO5 |
| Molecular Weight | 341.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxybutanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxybutanoic acid (CAS 898529-38-9) is a high-purity analytical reference standard with the molecular formula C19H19NO5 and a molecular weight of 341.36 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, (S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-hydroxybutanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 341.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C19H19NO5 |
| Molecular Weight | 341.36 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-2-([1,1'-biphenyl]-4-carboxamido)-5-methoxy-5-oxopentanoic acid (CAS 920287-51-0)
- (S)-4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxybutanoic acid (CAS 2225127-05-7)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxy-2-methylpropanoic acid (CAS 207117-28-0)
- (S)-N-(1-((2-Amino-2-oxoethyl)amino)-1-oxo-3-phenylpropan-2-yl)-3-(furan-2-yl)acrylamide (CAS 90846-39-2)
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