(9H-Fluoren-9-yl)methyl (3aS,6aS)-6,6-difluorohexahydro-1H-pyrrolo[3,2-c]isoxazole-1-carboxylate CAS 2813205-74-0
| CAS No. | 2813205-74-0 |
| Molecular Formula | C20H18F2N2O3 |
| Molecular Weight | 372.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (9H-Fluoren-9-yl)methyl (3aS,6aS)-6,6-difluorohexahydro-1H-pyrrolo[3,2-c]isoxazole-1-carboxylate (C20H18F2N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 372.37 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (9H-Fluoren-9-yl)methyl (3aS,6aS)-6,6-difluorohexahydro-1H-pyrrolo[3,2-c]isoxazole-1-carboxylate (CAS 2813205-74-0), a certified reference material (molecular formula C20H18F2N2O3, MW 372.37 g/mol) for analytical method development and quality control.
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 | C20H18F2N2O3 |
| Molecular Weight | 372.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related H Standards
- (((9H-fluoren-9-yl)methoxy)carbonyl)methionine (CAS 144701-23-5)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-mercapto-3-methylbutanoic acid (CAS 2171765-46-9)
- 3-((2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)ethyl)thio)propanoic acid (CAS 201604-70-8)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-fluoro-4-methylpentanoic acid (CAS 2171463-79-7)
- 1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3,3-difluorocyclobutanecarboxylic acid (CAS 1936532-04-5)
- 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)
Recommended Standards
- 4-(5-(2,4-Dimethoxyphenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid (CAS 1798443-31-8)
- (E)-3-((2R,3S)-2-(4-Hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-7-methoxy-2,3-dihydrobenzofuran-5-yl)acrylic acid (CAS 443908-19-8)
- 2-(Benzo[d][1,3]dioxol-5-yl)-2-(4-(methoxycarbonyl)-2-propylphenoxy)acetic acid (CAS 159590-92-8)
- (S)-2,3-Bis(((benzyloxy)carbonyl)amino)propanoic acid (CAS 65621-26-3)
- (S)-Norcoclaurine (CAS 22672-77-1)
- 3-(Nitromethylene)oxetane (CAS 922500-95-6)
- 6-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 1207623-96-8)
- N-Methoxy-N-methyl-2,3-dihydro-benzo[1,4]dioxine-2-carboxamide (CAS 848170-22-9)
- 3-(3-Fluoro-4-morpholinophenyl)-3-oxopropanenitrile (CAS 861211-70-3)
- IMIDAZO[1,2-C]PYRIMIDINE-3-CARBOXYLIC ACID ETHYL ESTER (CAS 1289075-53-1)
- 3-(4-Nitrophenyl)propiolic acid (CAS 2216-24-2)
- 1-Boc-4-(phenylamino)piperidine (CAS 125541-22-2)
- Methyl 2-chloro-8-isopropylimidazo[1,2-b]pyridazine-7-carboxylate (CAS 2434602-69-2)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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