4-([(9H-fluoren-9-ylmethoxy)carbonyl]amino)pentanoic acid CAS 1343035-80-2
| CAS No. | 1343035-80-2 |
| Molecular Formula | C20H21NO4 |
| Molecular Weight | 339.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-([(9H-fluoren-9-ylmethoxy)carbonyl]amino)pentanoic acid.
4-([(9H-fluoren-9-ylmethoxy)carbonyl]amino)pentanoic acid (CAS 1343035-80-2) is a high-purity analytical reference standard with the molecular formula C20H21NO4 and a molecular weight of 339.39 g/mol.
The molecular framework of 4-([(9H-fluoren-9-ylmethoxy)carbonyl]amino)pentanoic acid (C20H21NO4) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), 4-([(9H-fluoren-9-ylmethoxy)carbonyl]amino)pentanoic 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.
Physical & Chemical Properties
| Molecular Formula | C20H21NO4 |
| Molecular Weight | 339.39 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.) | 1991 |
| Nitrogen Atoms | 1 |
Related H Standards
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2,2-dimethylpropanoic acid (CAS 1076197-00-6)
- (((9H-fluoren-9-yl)methoxy)carbonyl)valine (CAS 126727-02-4)
- 3-{[(9h-fluoren-9-ylmethoxy)carbonyl](methyl)amino}-2-methylpropanoic acid (CAS 1340212-59-0)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)butanoic acid (CAS 1341092-00-9)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)pentanoic acid (CAS 144701-21-3)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-methylbutanoic acid (CAS 1503610-79-4)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-methylbutanoic acid (CAS 160885-93-8)
- 2-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)butanoic acid (CAS 180181-95-7)
Recommended Standards
- (R)-3-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)pentanoic acid (CAS 1353293-73-8)
- (S)-tert-Butyl ((1-(1-methyl-4-nitro-1H-pyrazol-5-yl)piperidin-3-yl)methyl)carbamate (CAS 1363408-44-9)
- Diethyl 2-((diphenylmethylene)amino)malonate (CAS 133816-01-0)
- Litebamine (CAS 137031-56-2)
- (5-(2-Chloro-5-nitrophenyl)furan-2-yl)methanol (CAS 353509-26-9)
- 7-Bromo-1-methyl-1H-indazole-3-carboxylic acid (CAS 1781986-70-6)
- 4-Chloro-2-((4-fluorobenzyl)oxy)pyridine (CAS 1346707-08-1)
- Tert-butyl (R)-(2,6-dioxopiperidin-3-yl)carbamate (CAS 247913-83-3)
- Ethylenediamine-N,N,N',N'-tetraacetic Acid-13C4 (CAS 1215408-17-5)
- 5-Amino-1-(2,4,5-trifluorophenyl)-1h-pyrazol-3-ol (CAS 1411726-28-7)
- Tert-butyl (2S,5S)-2-(bromomethyl)-5-methylmorpholine-4-carboxylate (CAS 2440199-03-9)
- N-(2-(1H-Pyrrol-1-yl)ethyl)-2-((tetrahydrothiophen-3-yl)oxy)isonicotinamide (CAS 2034498-47-8)
- 2,4-Dichloro-5-ethoxypyrimidine (CAS 280582-25-4)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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