(5R,6S)-5-Fluoro-6-methoxydihydropyrimidine-2,4(1H,3H)-dione CAS 154121-06-9
| CAS No. | 154121-06-9 |
| Molecular Formula | C5H7FN2O3 |
| Molecular Weight | 162.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (5R,6S)-5-Fluoro-6-methoxydihydropyrimidine-2,4(1H,3H)-dione (CAS 154121-06-9), a certified reference material (molecular formula C5H7FN2O3, MW 162.12 g/mol) for analytical method development and quality control.
Structurally, (5R,6S)-5-Fluoro-6-methoxydihydropyrimidine-2,4(1H,3H)-dione (C5H7FN2O3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 162.12 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H7FN2O3 |
| Molecular Weight | 162.12 g/mol |
| Appearance | 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, water |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 6-Fluorobenzo[d]isoxazole-3-carbonitrile (CAS 1314937-26-2)
- 6-Fluoro-2H-pyrazolo[3,4-b]pyridine-3-carbonitrile (CAS 155601-83-5)
- 2-Fluoro-4-isocyanatobenzonitrile (CAS 1261606-20-5)
- Dimethyl 2-fluorofumarate (CAS 18414-17-0)
- Cinitapride Impurity 1 (CAS 121873-04-9)
- 6-(Piperidin-1-yl)pyrimidin-4-amine (CAS 69206-89-9)
- (2Z)-2-(4-Chlorobenzenesulfonyl)-3-[4-(dimethylamino)phenyl]prop-2-enenitrile (CAS 804515-70-6)
- 3-Cyclopropoxy-5-(methylthio)benzamide (CAS 1243401-73-1)
- 2-((tert-Butoxycarbonyl)amino)-6-methoxynicotinic acid (CAS 1373223-33-6)
- 3-(5-((3-Bromobenzyl)thio)-4-(4-ethoxyphenyl)-4H-1,2,4-triazol-3-yl)pyridine (CAS 585555-96-0)
- Relebactam Impurity 23 (CAS CATO-C4X-214423)
- Prohexadione Calcium (CAS 127277-53-6)
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- Tau Peptide (275-305) (Repeat 2 Domain) trifluoroacetate salt (CAS 330456-25-2)
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