3-(Phenylamino)-4,5-dihydro-1h-pyrazol-5-one CAS 7186-81-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7186-81-4 |
| Molecular Formula | C9H9N3O |
| Molecular Weight | 175.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Phenylamino)-4,5-dihydro-1h-pyrazol-5-one (CAS 7186-81-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9N3O. Molecular weight: 175.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9N3O |
| Molecular Weight | 175.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1959 |
| Nitrogen Atoms | 3 |
Related Phenylamino Standards
- 2-(Phenylamino)-1H-imidazol-4(5H)-one (CAS 56128-54-2)
- 5-(Phenylamino)-1,2-dihydro-3H-pyrazol-3-one (CAS 246863-95-6)
- (Z)-4-(Phenylamino)pent-3-en-2-one (CAS 26567-78-2)
- 4-(Phenylamino)pent-3-en-2-one (CAS 7294-89-5)
- 3-Methyl-2-(phenylamino)butanenitrile (CAS 117874-96-1)
- 5-(Phenylamino)-2,4-Pentadienal (CAS 17432-66-5)
- 1-(phenylamino)cyclopropane-1-carboxylic acid (CAS 210576-54-8)
- 2-(Phenylamino)butanamide (CAS 1218556-32-1)
Recommended Standards
- 3-(Phenoxymethyl)-4H-1,2,4-triazole (CAS 856861-91-1)
- 3-(p-Tolyl)-1H-1,2,4-triazol-5(4H)-one (CAS 3214-02-6)
- 3-(Methylamino)quinazolin-4(3H)-one (CAS 60512-86-9)
- Methyl 3-(3,4-dimethoxyphenyl)propanoate (CAS 27798-73-8)
- 4-Methyl-3-phenylpiperidine hydrochloride (CAS 861020-08-8)
- 5-(2-Chlorophenyl)-1-(4-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 477713-28-3)
- Ethyl 5-Methoxyindole-3-acetate (CAS 57000-49-4)
- 4-[4-(1h-pyrazol-1-yl)phenyl]-1,3-thiazol-2-amine (CAS 1311313-66-2)
- Brivaracetam Impurity 211 (CAS CATO-C4X-2007211)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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