Methyl (3S,4R)-4-(2,6-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylate CAS 1784747-39-2
| CAS No. | 1784747-39-2 |
| Molecular Formula | C13H13F2NO4 |
| Molecular Weight | 285.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Methyl (3S,4R)-4-(2,6-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylate (CAS 1784747-39-2) is a high-purity analytical reference standard with the molecular formula C13H13F2NO4 and a molecular weight of 285.24 g/mol.
Based on its molecular formula C13H13F2NO4, Methyl (3S,4R)-4-(2,6-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 285.24 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.
As a certified reference material (CRM), Methyl (3S,4R)-4-(2,6-difluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H13F2NO4 |
| Molecular Weight | 285.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-((Benzyloxy)carbonyl)-3,3-difluoropyrrolidine-2-carboxylic acid (CAS 1779438-13-9)
- (3R,4S)-4-(4-ethoxy-2,6-difluorophenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1784748-00-0)
- Ethyl 7-(difluoromethyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylate (CAS 1706437-88-8)
- Benzyl 3,3-difluoro-4-(hydroxymethyl)-2-oxopyrrolidine-1-carboxylate (CAS 1823231-44-2)
- Sodium 3-(phenyldiazenyl)-[1,1'-biphenyl]-4-olate (CAS 63467-44-7)
- 4-Bromo-2-phenylbutanoic acid (CAS 6836-99-3)
- 6-(2-Oxopyrrolidin-1-yl)picolinic acid (CAS 1782271-16-2)
- 2-Chloro-5-(4-(trifluoromethyl)phenyl)pyrimidine (CAS 75175-40-5)
- 2-Ethynyl-1,4-difluorobenzene (CAS 956386-38-2)
- 2,5-Dimethoxynicotinaldehyde (CAS 867267-26-3)
- N-(2H-1,3-benzodioxol-5-ylmethyl)-4-methylcyclohexan-1-amine (CAS 1038286-10-0)
- 1,2,3,4-Tetramethyl-5-(trifluoromethyl)cyclopenta-1,3-diene (CAS 142701-59-5)
- 4,6-Dimethyl-2-((pyrrolidin-2-ylmethyl)thio)pyrimidine hydrochloride (CAS 1420888-87-4)
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
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