5-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbenzoic acid CAS 1339049-65-8
| CAS No. | 1339049-65-8 |
| Molecular Formula | C23H19NO4 |
| Molecular Weight | 373.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 373.40 g/mol gives 5-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbenzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbenzoic acid (CAS 1339049-65-8), a certified reference material (molecular formula C23H19NO4, MW 373.40 g/mol) for analytical method development and quality control.
5-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbenzoic acid (C23H19NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)-2-methylbenzoic 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 | C23H19NO4 |
| Molecular Weight | 373.40 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) | 15.0 |
| 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-methylbenzoic acid (CAS 1072901-47-3)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-methylbenzoic acid (CAS 1072901-59-7)
- 2-(2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)phenyl)acetic acid (CAS 1185303-23-4)
- 4-{[(9h-fluoren-9-ylmethoxy)carbonyl]amino}-2-methylbenzoic acid (CAS 1341992-64-0)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-phenylacetic acid (CAS 163883-97-4)
- 2-[4-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]acetic acid (CAS 173690-53-4)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methylbenzoic acid (CAS 885951-04-2)
- 2-({[(9h-fluoren-9-yl)methoxy]carbonyl}(phenyl)amino)acetic acid (CAS 909114-68-7)
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