6-(2,2-Difluoroethyl)thieno[2,3-d]pyrimidin-4(3H)-one CAS 2163771-90-0
| CAS No. | 2163771-90-0 |
| Molecular Formula | C8H6F2N2OS |
| Molecular Weight | 216.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-(2,2-Difluoroethyl)thieno[2,3-d]pyrimidin-4(3H)-one (C8H6F2N2OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
6-(2,2-Difluoroethyl)thieno[2,3-d]pyrimidin-4(3H)-one (CAS 2163771-90-0) is a high-purity analytical reference standard with the molecular formula C8H6F2N2OS and a molecular weight of 216.21 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.
CATO manufactures 6-(2,2-Difluoroethyl)thieno[2,3-d]pyrimidin-4(3H)-one 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 | C8H6F2N2OS |
| Molecular Weight | 216.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Difluoroethyl Standards
- 1-{4-[(2,2-difluoroethyl)sulfanyl]phenyl}ethan-1-one (CAS 1341149-68-5)
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- n-((1-(2,2-Difluoroethyl)-5-methyl-1h-pyrazol-4-yl)methyl)cyclopropanamine (CAS 1170869-32-5)
- N-(2,2-difluoroethyl)-N-[2-(3-methoxyphenyl)ethyl]amine (CAS 1245807-48-0)
- 4-(1-(2,2-Difluoroethyl)-1H-pyrazol-4-yl)piperidine (CAS 1443291-28-8)
- 2-{[(2,2-difluoroethyl)amino]methyl}-6-methoxyphenol (CAS 937601-46-2)
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Recommended Standards
- 5-Methyl-2-nitrobenzenesulfonamide (CAS 2535-68-4)
- 6-(3-Fluorophenyl)pyridine-3-carboxamide (CAS 441055-56-7)
- 5-Fluoro-2-phenylbenzoic acid (CAS 926219-69-4)
- 6-(Difluoromethoxy)-1,3-benzothiazol-2-amine (CAS 235101-34-5)
- Oleoyl-L-proline (CAS 107432-37-1)
- 2-Bromo-1-(morpholin-4-yl)ethanone (CAS 40299-87-4)
- 2-(3,5-Dimethylisoxazol-4-yl)-N-hydroxyacetimidamide (CAS 102390-29-4)
- 1-Methanesulfonylcyclopentane-1-carbonitrile (CAS 1249016-54-3)
- 5-Methyl-n-(2-methyl-4-nitrophenyl)-1,2-oxazole-4-carboxamide (CAS 1050884-58-6)
- 6-chloro-3-iodo-1H-indole (CAS 868694-20-6)
- 1231961-65-1 1-(3-tert-Butyl-1H-pyrazol-5-yl)-N-methylmethanamine--hydrogen chloride (1/2) DTXSID20658002 (CAS 1231961-65-1)
- (3-(N,N-diethylsulfamoyl)-4-(trifluoromethoxy)phenyl)boronic acid (CAS 1704069-29-3)
- Carbuterol-d9 Hemisulfate Salt (CAS 1346747-24-7)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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