4-(2-Fluorophenyl)-1,2,5-oxadiazol-3-amine CAS 21742-05-2
| CAS No. | 21742-05-2 |
| Molecular Formula | C8H6FN3O |
| Molecular Weight | 179.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Fluorophenyl)-1,2,5-oxadiazol-3-amine (CAS 21742-05-2) is a high-purity analytical reference standard with the molecular formula C8H6FN3O and a molecular weight of 179.15 g/mol.
4-(2-Fluorophenyl)-1,2,5-oxadiazol-3-amine (C8H6FN3O) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 4-(2-Fluorophenyl)-1,2,5-oxadiazol-3-amine 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 | C8H6FN3O |
| Molecular Weight | 179.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenyl Standards
- 2-(2-Fluorophenyl)oxazol-5(4H)-one (CAS 105669-20-3)
- 4-(2-Fluorophenyl)-1H-1,2,4-triazol-5(4H)-one (CAS 1065074-15-8)
- 5-(4-Fluorophenyl)-1,2,4-oxadiazol-3-amine (CAS 1092340-67-4)
- 3-(4-Fluorophenyl)-1H-1,2,4-triazol-5(4H)-one (CAS 111396-66-8)
- 3-(3-Fluorophenyl)-5-hydroxyisoxazole (CAS 1188031-78-8)
- 3-(2-Fluorophenyl)-5-hydroxyisoxazole (CAS 1188090-57-4)
- 3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-amine (CAS 1219584-94-7)
- 3-(3-Fluorophenyl)-1,2,4-oxadiazol-5-amine (CAS 1249911-82-7)
Recommended Standards
- 3-Fluoro-2-(1,2,4-oxadiazol-3-yl)aniline (CAS 519056-63-4)
- 4-(4-Fluorophenyl)-1,2,5-oxadiazol-3-amine (CAS 99817-27-3)
- 3-Fluoro-1H-indole-2-carboxylic acid (CAS 942433-63-8)
- 4-(4-Fluorophenyl)-4H-1,2,4-triazol-3-ol (CAS 80240-40-0)
- 2-(Cyclohexylmethyl)-6-fluorophenol (CAS 1243462-55-6)
- 4-Cyclobutylaniline (CAS 3158-69-8)
- (E)-Ethyl 2-(4-chlorophenyl)ethenesulfonate (CAS 73300-79-5)
- 3,5-Difluoro-3-(4-methylphenyl)propiophenone (CAS 898769-40-9)
- Tert-butyl ((1R,5S,6s)-3-benzyl-3-azabicyclo[3.1.0]Hexan-6-yl)carbamate (CAS 151860-18-3)
- methyl 4-methyl-2-(pyrrolidin-1-yl)pyrimidine-5-carboxylate (CAS 924862-97-5)
- 6-Bromo-3-iodo-5-methyl-1H-indazole (CAS 1000342-51-7)
- (S)-3-Methyl-5-((1S,4aS,8aS)-5,5,8a-trimethyl-2-methylenedecahydronaphthalen-1-yl)pent-1-en-3-ol (CAS 1438-62-6)
- N-(2-Fluoro-phenyl)-malonamic acid (CAS 148356-13-2)
- Allo-Thr7-Tirzepatide (CAS CATO-CPTD788933)
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