(2S)-2-amino-3-(5-fluoro-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)propanoic acid (S)-(-)-5-fluorowillardiine (S)-F-Willardiine (S)-alpha-Amino-5-fluoro-3,4-dihydro-2,4-dioxo-1(2H)-pyrimmidinepropanoic acid 140187-23-1 2-AMINO-3-(5-FLUORO-2,4-DIOXO-3,4-DIHYDRO-2H-PYRIMIDIN-1-YL)-PROPIONIC ACID 3-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-L-alanine 3-(5-fluorouracil-1-yl)-L-alanine 5-Fluorowillardiine CHEBI:42549 CAS 140187-23-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 140187-23-1 |
| Molecular Formula | C7H8FN3O4 |
| Molecular Weight | 217.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2S)-2-amino-3-(5-fluoro-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)propanoic acid (S)-(-)-5-fluorowillardiine (S)-F-Willardiine (S)-alpha-Amino-5-fluoro-3,4-dihydro-2,4-dioxo-1(2H)-pyrimmidinepropanoic acid 140187-23-1 2-AMINO-3-(5-FLUORO-2,4-DIOXO-3,4-DIHYDRO-2H-PYRIMIDIN-1-YL)-PROPIONIC ACID 3-(5-fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-L-alanine 3-(5-fluorouracil-1-yl)-L-alanine 5-Fluorowillardiine CHEBI:42549 (CAS 140187-23-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H8FN3O4. Molecular weight: 217.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H8FN3O4 |
| Molecular Weight | 217.15 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, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related S Standards
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Recommended Standards
- ((1-(Bromomethyl)cyclopropyl)methyl)cyclopentane (CAS 1495214-62-4)
- 6-Methoxy-2-(trifluoromethyl)imidazo[1,2-b]pyridazine (CAS 1260877-14-2)
- 6-(Trifluoromethoxy)-1H-indazol-5-amine (CAS 1499162-39-8)
- Methyl 3-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylate (CAS 1031667-63-6)
- 3-(7-Cyanoheptanoyl)benzonitrile (CAS 898767-66-3)
- Methyl 2-(3-methyl-1,2,4-oxadiazol-5-yl)acetate (CAS 55152-01-7)
- 2-Bromo-4-fluorophenol (CAS 496-69-5)
- luorescein Impurity 2 (CAS CATO-C4X-29002)
- 1-(4-Acetylphenyl)piperidine-4-carboxylic acid (CAS 250713-76-9)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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