4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1,4-oxazepane-6-carboxylic acid CAS 1936071-00-9
| CAS No. | 1936071-00-9 |
| Molecular Formula | C21H21NO5 |
| Molecular Weight | 367.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1,4-oxazepane-6-carboxylic acid (CAS 1936071-00-9) is a high-purity analytical reference standard with the molecular formula C21H21NO5 and a molecular weight of 367.40 g/mol.
Based on its molecular formula C21H21NO5, 4-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1,4-oxazepane-6-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 367.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C21H21NO5 |
| Molecular Weight | 367.40 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.) | 1996 |
| Nitrogen Atoms | 1 |
Related H Standards
- 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxohexanoic acid (CAS 1692075-71-0)
- 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-(oxolan-3-yl)acetic acid (CAS 1695476-98-2)
- 3-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)oxolane-3-carboxylic acid (CAS 1695959-63-7)
- 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxohexanoic acid (CAS 1696292-17-7)
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- 1-{[(9H-fluoren-9-yl)methoxy]carbonyl}-3-hydroxypiperidine-3-carboxylic acid (CAS 1849869-52-8)
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- 1-((9H-fluoren-9-yl)methyl) 2-methyl (2S,4S)-4-hydroxypyrrolidine-1,2-dicarboxylate (CAS 191793-75-6)
Recommended Standards
- 2-[3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)oxolan-3-yl]acetic acid (CAS 1935458-78-8)
- (R)-tert-Butyl (4-methyl-1-(1-methyl-4-nitro-1H-pyrazol-5-yl)-6-oxoazepan-4-yl)carbamate (CAS 1956437-88-9)
- 2,3,9,10-Tetramethoxy-5H-isoquinolino[3,2-a]isoquinolin-8(6H)-one (CAS 19716-59-7)
- (2R,3R)-3-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)tetrahydrofuran-2-carboxylic acid (CAS 2140264-04-4)
- 3-Chloro-1-[4-(pyrimidin-2-yl)piperazin-1-yl]propan-1-one (CAS 137885-46-2)
- N-(2-Amino-4-methylbenzo[d]thiazol-6-yl)-2-(2,3-dimethylphenoxy)acetamide (CAS 1706452-28-9)
- 2-(2-(2-Hydroxyethoxy)ethoxy)ethyl dodecanoate (CAS 23328-60-1)
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- 1-methyl-8-oxa-2-azaspiro[4.5]decane (CAS 1250678-54-6)
- 1,7,7-Trimethyl-2-phenylbicyclo[2.2.1]heptane-2,3-diol (CAS 1621395-47-8)
- [(4-methylimidazolidin-2-ylidene)amino]carbonitrile (CAS 49552-23-0)
- Ethyl 2-(3-fluoro-5-methoxyphenyl)-2-oxoacetate (CAS 1256466-71-3)
- 4-(1,3-oxazol-2-yl)piperidine dihydrochloride (CAS 1909305-79-8)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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