5-Ethyl-3-phenyl-1H-pyrazole CAS 141665-22-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 141665-22-7 |
| Molecular Formula | C11H12N2 |
| Molecular Weight | 172.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethyl-3-phenyl-1H-pyrazole (CAS 141665-22-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H12N2. Molecular weight: 172.23 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H12N2 |
| Molecular Weight | 172.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1997 |
| Nitrogen Atoms | 2 |
Recommended Standards
- N,1-Dimethylisoquinolin-7-amine (CAS 140683-34-7)
- (1-Methylisoquinolin-7-yl)methanamine (CAS 1416714-21-0)
- 1-Methyl-1,2,3,4-tetrahydroisoquinoline-6-carbonitrile (CAS 1391298-19-3)
- (R)-N,N-dimethyl-1-(piperidin-3-yl)methanamine (CAS 254905-65-2)
- 4-ETHYLPYRIMIDINE (CAS 30537-73-6)
- n3-Ethyl-4,4,4-trifluoro-n3-methylbutane-1,3-diamine (CAS 1157122-69-4)
- 2-Chloro-1-[7-(4-methoxy-benzylidene)-3-(4-methoxy-phenyl)-3,3a,4,5,6,7-hexahydro-indazol-2-yl]-ethanone (CAS 380196-80-5)
- 3-(4-nitrophenyl)-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 72176-80-8)
- 4-[4-Fluoro-2-(phenylmethoxy)phenyl]-2,6-bis(1-methylethyl)-5-(1-propen-1-yl)-3-pyridinecarboxaldehyde (CAS 503559-80-6)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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