5-(Phenylamino)-1,2-dihydro-3H-pyrazol-3-one CAS 246863-95-6
| CAS No. | 246863-95-6 |
| Molecular Formula | C9H9N3O |
| Molecular Weight | 175.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(Phenylamino)-1,2-dihydro-3H-pyrazol-3-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(Phenylamino)-1,2-dihydro-3H-pyrazol-3-one (CAS 246863-95-6) is a high-purity analytical reference standard with the molecular formula C9H9N3O and a molecular weight of 175.19 g/mol.
5-(Phenylamino)-1,2-dihydro-3H-pyrazol-3-one (C9H9N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(Phenylamino)-1,2-dihydro-3H-pyrazol-3-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 2025 |
| Nitrogen Atoms | 3 |
Related Phenylamino Standards
- 2-(Phenylamino)-1H-imidazol-4(5H)-one (CAS 56128-54-2)
- 3-(Phenylamino)-4,5-dihydro-1h-pyrazol-5-one (CAS 7186-81-4)
- (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
- 5-(Aminomethyl)quinoxalin-6-ol (CAS 766462-63-9)
- 5-(P-tolyl)-1,2,4-oxadiazol-3-amine (CAS 23275-54-9)
- 5-(4-Aminophenyl)-2,3-dihydro-1h-pyrazol-3-one (CAS 908254-18-2)
- 5-(P-tolyl)-1,3,4-oxadiazol-2-amine (CAS 33621-60-2)
- 1-(4-Cyanophenyl)guanidine hydrochloride (CAS 373690-68-7)
- 4-(3-Chloro-4-hydroxyphenyl)but-3-en-2-one (CAS 1375243-30-3)
- 1,1-Diethoxy-2,2,2-Trifluoro-1-(Ethylthio)Ethane (CAS 68058-56-0)
- 2-Amino-4-(4-methoxyphenyl)-4H-benzo[h]chromene-3-carbonitrile (CAS 119825-06-8)
- 2-[1-(4-chlorophenyl)-3,5-dimethyl-1h-pyrazol-4-yl]acetic acid (CAS 32701-92-1)
- (S)-3-(Dimethylamino)pyrrolidine (CAS 132883-44-4)
- 2-Bromo-3-chloro-5-fluorobenzoic acid (CAS 1525442-25-4)
- Ethyl N-[(2Z)-2-cyano-2-({[2,2-dimethyl-1-(methylcarbamoyl)propyl]amino}methylidene)acetyl]carbamate (CAS 477768-34-6)
- 2-Chloro-1H-benzo[d]imidazole-6-carboxylic acid (CAS 933710-78-2)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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