3-Methyl-1-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1H-pyrazol-5-one CAS 321-05-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321-05-1 |
| Molecular Formula | C11H9F3N2O |
| Molecular Weight | 242.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methyl-1-[3-(trifluoromethyl)phenyl]-4,5-dihydro-1H-pyrazol-5-one (CAS 321-05-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H9F3N2O. Molecular weight: 242.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C11H9F3N2O |
| Molecular Weight | 242.20 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 5-Methyl-1-(5-(trifluoromethyl)pyridin-2-yl)-1,2-dihydro-3h-pyrazol-3-imine (CAS 1171925-31-7)
- 3a-(Trifluoromethyl)-2,3,3a,4-tetrahydro-1H-benzo[d]pyrrolo[1,2-a]imidazol-1-one (CAS 1191278-87-1)
- alpha-(Trifluoromethyl)-1-phenyl-1H-pyrazole-4-methanol (CAS 1275913-48-8)
- 1-(4-(Trifluoromethyl)benzyl)-1H-1,2,4-triazol-3-amine (CAS 1291723-68-6)
- 1-[1-methyl-5-(trifluoromethyl)-1h-1,3-benzodiazol-2-yl]ethan-1-one (CAS 1312139-07-3)
- 3-Oxo-1-(trifluoromethyl)-2,3,5,6,7,8-hexahydroisoquinoline-4-carbonitrile (CAS 1334490-86-6)
- 2-Benzyl-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 143706-79-0)
- 1-(4-(Trifluoromethyl)benzyl)-1H-1,2,3-triazol-4-amine (CAS 1510209-73-0)
Recommended Standards
- 3-Methyl-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-5-ol (CAS 302582-47-4)
- 3-methyl-1-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazol-5-amine (CAS 926234-78-8)
- 3-(4-Methoxyphenyl)-5-(trifluoromethyl)-1H-pyrazole (CAS 380905-15-7)
- 2-Chloro-6-cyclopropylpyrazine (CAS 1209457-99-7)
- (S)-6-(pyrrolidin-2-yl)quinolin-7-ol (CAS 1212865-68-3)
- β-Heptaacetylrutinose (CAS 5239-09-8)
- 2-(4-Chlorophenyl)hexahydro-1H-indazol-3(2H)-one (CAS 63592-62-1)
- 4-(Cyclohexylmethoxy)-2-methoxyaniline (CAS 1495769-64-6)
- 5-Bromo-3-chloropyridine-2-carbonitrile (CAS 945557-04-0)
- [Plus-β-Ala28]-Semaglutide (CAS CATO-C4X-2226221)
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