5-Amino-2-(2-fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one CAS 97096-91-8
| CAS No. | 97096-91-8 |
| Molecular Formula | C9H8FN3O |
| Molecular Weight | 193.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Amino-2-(2-fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one.
5-Amino-2-(2-fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 97096-91-8), molecular formula C9H8FN3O and molecular weight 193.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Amino-2-(2-fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one (C9H8FN3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 193.18 g/mol, it falls into the medium-molecular-weight range. 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-Amino-2-(2-fluorophenyl)-2,4-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 | C9H8FN3O |
| Molecular Weight | 193.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 5-Amino-1-(4-fluorophenyl)-2,3-dihydro-1h-pyrazol-3-one (CAS 1247169-18-1)
- 5-Amino-1-(2-fluorophenyl)-1h-pyrazol-3-ol (CAS 1248162-71-1)
- 5-Amino-2-(3-fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 1368951-30-7)
- (1-Amino-2-cyclopentylethyl)phosphonic acid (CAS 570375-48-3)
- 3-Amino-6-fluoro-2-methylquinazolin-4(3h)-one (CAS 459414-73-4)
- 5-Amino-4-(4-fluorophenyl)-1H-pyrazol-3(2H)-one (CAS 62538-20-9)
- 1-Amino-5-(difluoromethyl)naphthalene (CAS 1261810-09-6)
- 1-Amino-4-(difluoromethyl)naphthalene (CAS 1261883-25-3)
Recommended Standards
- 5-(4-Fluorobenzyl)-1,3,4-oxadiazol-2-amine (CAS 828911-26-8)
- 4-(4-Fluorophenyl)-5-methyl-4H-1,2,4-triazol-3-ol (CAS 860650-96-0)
- 5-Fluoro-1H-indole-2-carbohydrazide (CAS 302901-19-5)
- 4-(3-Fluorophenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860650-60-8)
- Methyl 7-(3-fluorophenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 803743-70-6)
- 5-((Trifluoromethyl)thio)pyrimidine-2,4(1H,3H)-dione (CAS 33216-83-0)
- 3-(Tert-butyl) 9-methyl 3-azabicyclo[3.3.1]Nonane-3,9-dicarboxylate (CAS 2121823-95-6)
- Ethyl 2-methyl-6-nitroimidazo[1,2-a]pyridine-3-carboxylate (CAS 81438-60-0)
- 4-(3-Chloro-4-fluorophenyl)pyrimidin-2-amine (CAS 1249713-59-4)
- (R)-2-(2-(difluoromethyl)-5-fluorophenyl)pyrrolidine (CAS 1213208-23-1)
- Methyl 2-formyl-6-(pyridin-2-ylmethoxy)nicotinate (CAS 1779125-36-8)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(4-(((tert-butoxycarbonyl)amino)methyl)phenyl)acetic acid (CAS 205049-68-9)
- Cefuroxime Sodium EP Impurity C (CAS 69822-88-4)
- Tirzepatide Impurity 20 (CAS CATO-C4X-324020)
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