1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-4,5-dimethyl-1,2-dihydro-3H-pyrazol-3-one CAS 338769-99-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338769-99-6 |
| Molecular Formula | C11H9ClF3N3O |
| Molecular Weight | 291.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-4,5-dimethyl-1,2-dihydro-3H-pyrazol-3-one (CAS 338769-99-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H9ClF3N3O. Molecular weight: 291.66 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H9ClF3N3O |
| Molecular Weight | 291.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 3-(2-Chloro-6-isopropylpyridin-3-yl)-5-(trifluoromethyl)-1,2,4-oxadiazole (CAS 1203897-93-1)
- 2-(2-Chloro-5-fluorophenyl)imidazo[1,2-a]pyrimidine-3-carboxylic acid (CAS 1426521-29-0)
- N-[(Chloro(phenoxy)phosphoryl)]-L-Alanine Ethyl Ester (CAS 245078-14-2)
- 7-Chloro-4-trifluoromethyl-1H-indole-2-carboxylic acid ethyl ester (CAS 1171935-75-3)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-cyclopropylpropane-1,3-dione (CAS 172527-65-0)
- 4-Chloro-6,7-dimethoxy-3-(trifluoromethyl)quinoline (CAS 2718971-71-0)
- 7-Chloro-4-nitro-N-(pyridin-2-yl)benzo[c][1,2,5]oxadiazol-5-amine (CAS 714246-87-4)
- Ethyl 5-chloro-3-(trifluoromethyl)-1H-indole-2-carboxylate (CAS 902772-08-1)
Recommended Standards
- (2E)-3-Amino-3-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methylhydrazin-1-yl}prop-2-enenitrile (CAS 337920-10-2)
- N-(2-Chloroethyl)-N-[4-cyano-3-(trifluoromethyl)phenyl]urea (CAS 1987135-73-8)
- 2-[4-(2H-Tetrazol-5-yl)phenoxy]-5-chloro-3-fluoropyridine (CAS 1799681-96-1)
- 1-[2-(4-Chlorophenyl)-4-methyl-1,3-thiazol-5-yl]ethyl N-(propan-2-yl)carbamate (CAS 478065-56-4)
- N-[3-[(Dimethylamino)methylene]-3,4-dihydro-4-oxo-2H-1-benzothiopyran-6-yl]acetamide (CAS 106635-54-5)
- Sertraline EP Impurity F (CAS 155748-61-1)
- (2S,6S)-1-(3-(acetylthio)propanoyl)-6-methylpiperidine-2-carboxylic acid (CAS 169551-84-2)
- 3-(Cyclohexylthio)-5-nitroaniline (CAS 898808-59-8)
- (3-methylsulfonylphenyl)hydrazine (CAS 312303-93-8)
- Macrocyclic Peptide flaviviridae Viruses InhibitorDISCONTINUED (CAS 1510840-70-6)
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