5-Fluoro-2-(pyrazolo[1,5-a]pyridin-3-yl)pyrimidin-4-ol CAS 1331768-96-7
| CAS No. | 1331768-96-7 |
| Molecular Formula | C11H7FN4O |
| Molecular Weight | 230.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Fluoro-2-(pyrazolo[1,5-a]pyridin-3-yl)pyrimidin-4-ol (C11H7FN4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, 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.
5-Fluoro-2-(pyrazolo[1,5-a]pyridin-3-yl)pyrimidin-4-ol (CAS 1331768-96-7), molecular formula C11H7FN4O and molecular weight 230.20 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-Fluoro-2-(pyrazolo[1,5-a]pyridin-3-yl)pyrimidin-4-ol 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 | C11H7FN4O |
| Molecular Weight | 230.20 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Fluoro Standards
- 5-Fluoro-1-((2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 15379-30-3)
- (5-Fluoro-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl butyrate (CAS 66542-37-8)
- 2-Fluoro-4-methoxy-3-(methoxymethoxy)benzoic acid (CAS 2586127-03-7)
- 3-(5-Fluoro-1H-indol-3-yl)-1H-pyrrole-2,5-dione (CAS 374818-58-3)
- 5-Fluoro-1-((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one (CAS 2145-71-3)
- 6-Fluoro-2-(4-fluorophenyl)imidazo[1,2-a]pyridine (CAS 1546495-83-3)
- MEthyl 4'-fluoro[1,1'-biphenyl]-3-carboxylate (CAS 10540-38-2)
- 5'-Fluoro-2'-methoxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 1178297-54-5)
Recommended Standards
- 3-methanesulfonyl-1H,4H,5H,6H,7H-pyrazolo[3,4-d]pyrimidine-4,6-dione (CAS 130224-64-5)
- 3-Methyl-2-nitro-3H-imidazo[4,5-F]quinoline-2-14CDISCONTINUED (CAS 161406-39-9)
- N-(6-oxo-6,7-Dihydro-1H-Purin-2-yl)sulfuric diamide (CAS 101910-09-2)
- (1-Methyl-1,4,5,6,7,8-hexahydrocyclohepta[d]imidazol-2-yl)phosphonic acid (CAS 1706457-07-9)
- 6-(Aminomethyl)-3-methoxypicolinonitrile (CAS 1956379-91-1)
- 2-Amino-N-(2-ethylphenyl)benzamide (CAS 19562-50-6)
- Methyl 2,2-dimethyl-3-(methylsulfanyl)propanoate (CAS 876299-31-9)
- Aripiprazole Impurity 87 (CAS CATO-C4X-100887)
- 4,6-Dimethyl-2-(pyrrolidin-1-yl)pyridine-3-carbothioamide (CAS 1193387-78-8)
- 3,3,3-trifluoro-1-(thiophen-3-yl)propan-1-amine hydrochloride (CAS 1820736-32-0)
- 4-Chloro-6-(3,4-dimethoxyphenyl)-2-(methylthio)pyrimidine-5-carbonitrile (CAS 1189434-77-2)
- 2-Decyne (CAS 2384-70-5)
- 2-(methylsulfanyl)-5H-pyrrolo[3,2-d]pyrimidine (CAS 1392803-67-6)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
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