2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chloro-1H-pyrazol-1-yl)propanoic acid CAS 2137517-20-3
| CAS No. | 2137517-20-3 |
| Molecular Formula | C21H18ClN3O4 |
| Molecular Weight | 411.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chloro-1H-pyrazol-1-yl)propanoic acid (CAS 2137517-20-3), a certified reference material (molecular formula C21H18ClN3O4, MW 411.84 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H18ClN3O4, 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chloro-1H-pyrazol-1-yl)propanoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 411.84 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chloro-1H-pyrazol-1-yl)propanoic 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 | C21H18ClN3O4 |
| Molecular Weight | 411.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related H Standards
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-chloro-5-fluorobenzoic acid (CAS 2243521-23-3)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-chloro-3-fluorobenzoic acid (CAS 2243504-29-0)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tetrahydro-2H-thiopyran-4-yl)propanoic acid (CAS 494210-68-3)
- (9H-fluoren-9-yl)methyl 2,4-dichloro-5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidine-6-carboxylate (CAS 903129-86-2)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-cyanophenyl)propanoic acid (CAS 265321-37-7)
- (9H-fluoren-9-yl)methyl (R)-(1-hydroxy-3-(1H-indol-3-yl)propan-2-yl)carbamate (CAS 1360442-49-4)
- (9H-fluoren-9-yl)methyl (5-methyl-4-phenylthiazol-2-yl)carbamate (CAS 1414661-50-9)
- (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-alanyl-L-valine (CAS 139928-72-6)
Recommended Standards
- (4-(5-Bromo-2-chlorobenzyl)phenoxy)(tert-butyl)dimethylsilane (CAS 864070-19-9)
- 2,7-Bis(alloxycarbonylamino)-9-chloroacridine, Technical Grade (CAS 887353-21-1)
- 4-(4-Chloro-3-nitrobenzoyl)-8-propyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326812-66-1)
- N,N'-(((6-Chloro-1,3,5-triazine-2,4-diyl)bis(azanediyl))bis(4,1-phenylene))diacetamide (CAS 28731-86-4)
- 2-Chloro-N-(1-(3-chlorophenyl)ethyl)-N-cyclopropylacetamide (CAS 1353986-02-3)
- 1-ethyl-1H-imidazole-4-carboxylic acid (CAS 71925-07-0)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole (CAS 903550-12-9)
- Benzyl 4-(prop-2-yn-1-yl)piperidine-1-carboxylate (CAS 957136-24-2)
- 3,4-Dichloro-n-(propan-2-yl)aniline (CAS 54962-86-6)
- tert-Butyl 3-((4-chloro-5-methylpyrimidin-2-yl)oxy)piperidine-1-carboxylate (CAS 1261230-16-3)
- 4-Bromo-5-cyano-3-(difluoromethyl)picolinic acid (CAS 1805431-48-4)
- 2,6-DIethyl-1-oxy-pyridine-3,5-dicarboxylic acid diethyl ester (CAS 1374457-01-8)
- 2-Fluoro-5-(pentafluoro-λ6-sulfanyl)aniline (CAS 1240257-94-6)
- Semaglutide (CAS 910463-68-2（free base）)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com