(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-enoic acid CAS 851909-08-5
| CAS No. | 851909-08-5 |
| Molecular Formula | C21H21NO4 |
| Molecular Weight | 351.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-enoic acid (C21H21NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 351.40 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-enoic acid (CAS 851909-08-5), molecular formula C21H21NO4 and molecular weight 351.40 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-enoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H21NO4 |
| Molecular Weight | 351.40 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-2-cyclopropylacetic acid (CAS 2642726-08-5)
- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)hex-5-enoic acid (CAS 270263-04-2)
- (R)-2-((S)-2-Amino-3-phenylpropanamido)-3-(1H-indol-3-yl)propanoic acid (CAS 66421-20-3)
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