4-Ethyl-5-phenyl-1H-pyrazol-3(2H)-one CAS 642462-43-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 642462-43-9 |
| Molecular Formula | C11H12N2O |
| Molecular Weight | 188.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Ethyl-5-phenyl-1H-pyrazol-3(2H)-one (CAS 642462-43-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H12N2O. Molecular weight: 188.23 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O |
| Molecular Weight | 188.23 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.) | 1985 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4-Ethyl-2-(1H-pyrazol-3-yl)phenol (CAS 288401-59-2)
- 4-Hydroxy-7-isopropylquinazoline (CAS 943780-23-2)
- 4-Ethoxyquinolin-3-amine (CAS 858420-07-2)
- 2-(4-Neopentylphenyl)-1H-indene-1,3(2H)-dione (CAS 52986-55-7)
- [6-(2,4-Difluorophenyl)-2-pyridyl]methanol (CAS 887981-41-1)
- (4-(1-Aminoethyl)phenyl)boronic acid (CAS 1258948-01-4)
- 1-(chloroacetyl)-4-(methylsulfonyl)piperazine (CAS 875164-36-6)
- 6-Chloro-5-methyl-7-nitro-1,3-benzoxazol-2-amine (CAS 1820735-45-2)
- 5-Chloro-1-(8-azaspiro[4.5]decan-8-yl)pentan-1-one (CAS 1274876-96-8)
- (Asn5)-Delta-Sleep Inducing Peptide (H-2555.0005) (CAS 80064-67-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com