3-(1-Ethoxyethyl)-5-fluoropyrimidine-2,4(1H,3H)-dione CAS 65769-91-7
| CAS No. | 65769-91-7 |
| Molecular Formula | C8H11FN2O3 |
| Molecular Weight | 202.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(1-Ethoxyethyl)-5-fluoropyrimidine-2,4(1H,3H)-dione (C8H11FN2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-(1-Ethoxyethyl)-5-fluoropyrimidine-2,4(1H,3H)-dione (CAS 65769-91-7) is a high-purity analytical reference standard with the molecular formula C8H11FN2O3 and a molecular weight of 202.18 g/mol.
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.
As a certified reference material (CRM), 3-(1-Ethoxyethyl)-5-fluoropyrimidine-2,4(1H,3H)-dione 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 | C8H11FN2O3 |
| Molecular Weight | 202.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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, ethanol, DMSO |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Ethoxyethyl Standards
- 4-(2-Ethoxyethyl)-5-ethyl-4h-1,2,4-triazole-3-thiol (CAS 1154560-56-1)
- 2-(1-Ethoxyethyl)-1,3-thiazole-4-carboxylic acid (CAS 1297543-41-9)
- 2-(1-Ethoxyethyl)-1,3-thiazole-5-carboxylic acid (CAS 1340060-32-3)
- 1-(2-Ethoxyethyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 845546-18-1)
- {[2-(1-ethoxyethyl)-1,3-thiazol-4-yl]methyl}(methyl)amine (CAS 1339916-57-2)
- 1-(2-Ethoxyethyl)-1h-indol-4-amine (CAS 1485657-11-1)
- 2-(2-Ethoxyethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1361022-71-0)
- n-(2-Ethoxyethyl)-2,6-dimethylcyclohexan-1-amine (CAS 1154252-83-1)
Recommended Standards
- 2-Methyl-3-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine (CAS 905273-82-7)
- 3-(4-Methylphenyl)-3-(trifluoromethyl)diaziridine (CAS 87736-82-1)
- 2-Fluoro-4-(pyrimidin-5-yl)benzaldehyde (CAS 893637-79-1)
- 3-(6-fluoro-1H-indol-3-yl)-3-oxopropanenitrile (CAS 882562-43-8)
- 2-(((4-Fluorophenyl)sulfonyl)methyl)pyrrolidine hydrochloride (CAS 1353977-86-2)
- 2-((Pyridin-3-ylmethyl)amino)nicotinonitrile (CAS 906214-79-7)
- 3-(2,5-Dichloropyrimidin-4-yl)-1-(phenylsulfonyl)-1H-indole (CAS 882562-40-5)
- 3-Bromo-1-methyl-1H-indole-2-carboxylic acid (CAS 499983-77-6)
- N-Benzylnortropinone (CAS 28957-72-4)
- (3,5-Difluorobenzyl)(phenyl)sulfane (CAS 1443331-17-6)
- tert-Butyl 3-(2-methyl-1-oxopropan-2-yl)azetidine-1-carboxylate (CAS 1375303-91-5)
- N-[4-(2-Chloroacetyl)phenyl]benzamide (CAS 853574-47-7)
- 1-(Naphthalen-1-ylmethyl)-4-nitro-1h-pyrazole (CAS 400877-61-4)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
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