(4Z)-3-Methyl-4-{2-[3-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-4,5-dihydro-1H-pyrazol-5-one CAS 121831-74-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 121831-74-1 |
| Molecular Formula | C11H9F3N4O |
| Molecular Weight | 270.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(4Z)-3-Methyl-4-{2-[3-(trifluoromethyl)phenyl]hydrazin-1-ylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 121831-74-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9F3N4O. Molecular weight: 270.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H9F3N4O |
| Molecular Weight | 270.21 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
- (3{[2-(Trifluoromethyl)pyrimidin-4-yl]oxy}phenyl)methanol (CAS 1216765-85-3)
- 1-(Pyridin-2-ylmethyl)-4-(trifluoromethyl)-1h-pyrrole-3-carboxylic acid (CAS 1221724-75-9)
- (4-((4-(Trifluoromethyl)pyrimidin-2-yl)oxy)phenyl)methanol (CAS 1216548-30-9)
- 1,27-Di(oxiran-2-yl)-8,16,24-tris(oxiran-2-ylmethoxy)-2,6,10,14,18,22,26-heptaoxaheptacosane-4,12,20-triol (CAS 101377-33-7)
- 1-(Cyclohexylmethyl)thiourea (CAS 66892-28-2)
- 4-Cyclopropoxy-6-(methylthio)pyridin-3-amine (CAS 1243414-07-4)
- 2,4-Difluoro-N-[(6-nitro-2H-1,3-benzodioxol-5-yl)methyl]aniline (CAS 329699-36-7)
- tert-Butyl (3-(hydroxymethyl)-4,5,6,7-tetrahydrobenzo[d]isoxazol-5-yl)carbamate (CAS 2177263-16-8)
- 1-(3-Bromopropyl)-4-isobutylpiperazine (CAS 1342593-72-9)
- Mast Cell Degranulating Peptide HR-1 (CAS 80533-94-4)
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