4-(4-Fluorophenoxy)-3-methylisoxazolo[5,4-d]pyrimidine CAS 672925-14-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 672925-14-3 |
| Molecular Formula | C12H8FN3O2 |
| Molecular Weight | 245.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Fluorophenoxy)-3-methylisoxazolo[5,4-d]pyrimidine (CAS 672925-14-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H8FN3O2. Molecular weight: 245.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H8FN3O2 |
| Molecular Weight | 245.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 DMSO, DMF, methanol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenoxy Standards
- 4-((3-Fluorophenoxy)methyl)benzamide (CAS 1088204-42-5)
- 4-((4-Fluorophenoxy)methyl)benzamide (CAS 1090406-13-5)
- 3-((4-Fluorophenoxy)methyl)benzamide (CAS 1241121-49-2)
- 3-((2-Fluorophenoxy)methyl)benzamide (CAS 1252200-84-2)
- 8-(2-Fluorophenoxy)-[1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one (CAS 1710833-88-7)
- 2-(4-Fluorophenoxy)-4-methoxypyridine-3-carbonitrile (CAS 339016-65-8)
- 2-(3-Fluorophenoxy)-2-phenylacetic acid (CAS 1016520-75-4)
- 3-[(3-Fluorophenoxy)methyl]benzoic acid (CAS 1019462-57-7)
Recommended Standards
- 3-Nitro-4-sulfamoylbenzamide (CAS 857488-98-3)
- 4-Amino-1-((2R,3S,4R,5R)-4-fluoro-3-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one (CAS 26563-01-9)
- 3-Methanesulfonyl-5-nitrobenzoic acid (CAS 58123-66-3)
- 5,6,7,8-Tetrahydro-2H-pyrazolo[3,4-b]quinolin-3-amine (CAS 887571-91-7)
- 3-(3-Chloro-3-butenyl)benzoic acid (CAS 732249-18-2)
- 1-(6-(Trifluoromethyl)imidazo[1,2-a]pyridin-3-yl)ethanone (CAS 1443145-79-6)
- 4-(((5-Methylthiophen-2-yl)methylene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-24-5)
- 3-Nitrosalicylic Acid Methyl Ester (CAS 22621-41-6)
- 3-((Methylsulfonyl)methyl)benzaldehyde (CAS 1051396-30-5)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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