7-(3-Fluorophenyl)-3-(pyridin-2-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one CAS 1105227-13-1
| CAS No. | 1105227-13-1 |
| Molecular Formula | C18H12FN3OS |
| Molecular Weight | 337.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-(3-Fluorophenyl)-3-(pyridin-2-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one.
7-(3-Fluorophenyl)-3-(pyridin-2-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1105227-13-1), molecular formula C18H12FN3OS and molecular weight 337.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H12FN3OS, 7-(3-Fluorophenyl)-3-(pyridin-2-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 337.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 7-(3-Fluorophenyl)-3-(pyridin-2-ylmethyl)thieno[3,2-d]pyrimidin-4(3H)-one 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 | C18H12FN3OS |
| Molecular Weight | 337.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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- 3-(4-Fluorophenyl)-3-(4-methylphenylsulfonamido)propanoic acid (CAS 332052-57-0)
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- (2Z)-2-[(2-Fluorophenyl)methylidene]-1-azabicyclo[2.2.2]octan-3-yl benzoate (CAS 477871-46-8)
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- Ethyl 1-benzyl-3-cyclopropyl-6-hydroxy-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1160246-17-2)
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- 2-[(2-Furylmethyl)amino]isonicotinic acid (CAS 1019387-90-6)
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- 2-[3-(trifluoromethyl)adamantan-1-yl]acetic acid (CAS 1432681-80-5)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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