5-Fluoro-4’-thiouridine CAS 56527-42-5
| CAS No. | 56527-42-5 |
| Molecular Formula | C9H11FN2O5S |
| Molecular Weight | 278.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 278.26 g/mol gives 5-Fluoro-4’-thiouridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Fluoro-4’-thiouridine (CAS 56527-42-5) is a high-purity analytical reference standard with the molecular formula C9H11FN2O5S and a molecular weight of 278.26 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution, 5-Fluoro-4’-thiouridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 278.26 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Fluoro-4’-thiouridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H11FN2O5S |
| Molecular Weight | 278.26 g/mol |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-(3,4,5-Trimethoxyphenyl)-4H-pyrazole-3-carboxylic acid (CAS 904815-28-7)
- 6-(2,5-Dimethoxyphenyl)-2-oxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid (CAS 477848-85-4)
- 5-((7-Methoxybenzo[d][1,3]dioxol-5-yl)methyl)-4,5-dihydroisoxazole-3-carboxamide (CAS 924859-12-1)
- 8,10-Dihydroxy-7H-benzo[c]xanthen-7-one (CAS 53865-02-4)
- 5-((Dimethylamino)methyl)-2-methoxybenzaldehyde hydrochloride (CAS 1185300-72-4)
- CAS CATO-CQCM104335 (CAS CATO-CQCM104335)
- 3-Pentafluoroethylsulfanyl-propan-1-ol (CAS 1301739-08-1)
- N-(2-Hydroxybenzoyl)pyrrolidine (CAS 98841-68-0)
- (E)-3-(3-chlorothiophen-2-yl)acrylic acid (CAS 1428227-36-4)
- 3-[2-(4-fluorophenyl)-5-methyl-3-oxo-2,3-dihydro-1h-pyrazol-4-yl]propanoic acid (CAS 877140-08-4)
- Ethyl 4-(3-fluorophenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 211816-68-1)
- Ethyltris(dimethylsiloxy)silane (CAS 150320-87-9)
- 2-Bromo-1-(4-methyl-1,2,5-oxadiazol-3-yl)ethan-1-one (CAS 165066-97-7)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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