3-(4-Fluoro-2-methylphenyl)-5,6-dihydropyrazin-2(1H)-one CAS 334477-08-6
| CAS No. | 334477-08-6 |
| Molecular Formula | C11H11FN2O |
| Molecular Weight | 206.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(4-Fluoro-2-methylphenyl)-5,6-dihydropyrazin-2(1H)-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.
3-(4-Fluoro-2-methylphenyl)-5,6-dihydropyrazin-2(1H)-one (CAS 334477-08-6), molecular formula C11H11FN2O and molecular weight 206.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Fluoro-2-methylphenyl)-5,6-dihydropyrazin-2(1H)-one (C11H11FN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 206.22 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C11H11FN2O |
| Molecular Weight | 206.22 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluoro Standards
- 3-(3-fluoro-4-methoxyphenyl)-4-methyl-1H-pyrazole (CAS 1007033-91-1)
- 1-[2-fluoro-6-(1H-pyrazol-1-yl)phenyl]ethan-1-ol (CAS 1156736-08-1)
- 1-(3-Fluoro-4-methoxybenzyl)-1h-imidazole (CAS 1181875-71-7)
- (R)-2-fluoro-4-hydroxy-5-(pyrrolidin-2-yl)benzonitrile (CAS 1212853-66-1)
- (R)-3-fluoro-4-hydroxy-5-(pyrrolidin-2-yl)benzonitrile (CAS 1213044-14-4)
- (R)-6-fluoro-2-hydroxy-3-(pyrrolidin-2-yl)benzonitrile (CAS 1213684-27-5)
- 8-fluoro-1H,2H,3H,3aH,4H,5H-pyrrolo[1,2-a]quinoxalin-4-one (CAS 1240381-83-2)
- (1-(3-Fluoro-4-methylphenyl)-1H-1,2,3-triazol-4-yl)methanamine (CAS 1247562-96-4)
Recommended Standards
- 2-Formyl-1-benzothiophene-3-carboxylic acid (CAS 22120-81-6)
- 3,4-Diethoxy-1,2,5-thiadiazole-1,1-dioxide (CAS 55904-84-2)
- 2-Fluoro-6-morpholinobenzonitrile (CAS 346636-41-7)
- 3-Chlorothiophene-2,5-diboronic acid (CAS 2096332-07-7)
- 1-((4-Chlorobenzyl)oxy)-2-(2,4-dichlorophenyl)-1H-imidazo[4,5-b]pyridine (CAS 338978-55-5)
- Isopropyl 2,7-dibromospiro[fluorene-9,4'-piperidine]-1'-carboxylate (CAS 1804963-67-4)
- Methyl 3-carbamimidoylbenzoate acetate (CAS 1092568-84-7)
- Methyl 4,5-diamino-2-chlorobenzoate (CAS 64617-64-7)
- 2-(1-Methyl-1h-pyrazol-4-yl)-1,2,3,4-tetrahydroquinoline (CAS 1306604-01-2)
- 2-methyl-2-(4-oxooxolan-3-yl)propanenitrile (CAS 1909324-83-9)
- Mirabegron Impurity 66 (CAS 2549-14-6)
- 6-Methyl-2-(4-nitrophenyl)-3-(piperazin-1-ylmethyl)imidazo[1,2-a]pyridine (CAS 727976-05-8)
- (2-Phenylpyrimidin-4-yl)methanamine (CAS 1145679-92-0)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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 18665070610 / Nicole.chen@cato-chem.com