1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutane-1-carboxylic acid CAS 2138257-73-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2138257-73-3 |
| Molecular Formula | C20H18FNO4 |
| Molecular Weight | 355.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutane-1-carboxylic acid (CAS 2138257-73-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H18FNO4. Molecular weight: 355.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H18FNO4 |
| Molecular Weight | 355.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related H Standards
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-hydroxypentanoic acid 1219207-99-4 (CAS 1219207-99-4)
- 2-{[(9h-fluoren-9-ylmethoxy)carbonyl](2-methoxyethyl)amino}acetic acid (CAS 1341969-00-3)
- 2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-methoxybutanoic acid (CAS 1480400-34-7)
- 4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxy-3-methylbutanoic acid (CAS 1489662-38-5)
- 2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxy-2-methylpropanoic acid (CAS 1694536-15-6)
- 4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoic acid (CAS 1702834-19-2)
- 3-{[(9H-fluoren-9-ylmethoxy)carbonyl](2-hydroxyethyl)amino}propanoic acid (CAS 1935887-14-1)
- 2-(3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)propoxy)acetic acid (CAS 940088-41-5)
Recommended Standards
- (1R,3r)-1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutane-1-carboxylic acid (CAS 2137066-14-7)
- 1-Amino-4-((3-chlorophenyl)amino)-2-(ethylsulfonyl)anthracene-9,10-dione (CAS 28252-15-5)
- (2R,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-fluoropyrrolidine-2-carboxylic acid (CAS 1932387-77-3)
- 2-((2-(1h-Pyrazol-1-yl)ethyl)amino)-1-morpholinopropan-1-one (CAS 1291320-41-6)
- Methyl (S)-4-((tert-butoxycarbonyl)amino)hex-5-ynoate (CAS 84598-78-7)
- Bicalutamide Glucoronide (CAS 151262-59-8)
- Iodoantipyrine (CAS 129-81-7)
- 7-Chloro-6-(trifluoromethyl)cinnolin-4(1H)-one (CAS 1698027-73-4)
- (2S,3R,4S,5R,6R)-6-(Acetoxymethyl)-4-(((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2,3,5-triyl triacetate (CAS 22551-65-1)
- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
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 13829788188 / jacky.chen@cato-chem.com