4-{[(2,4-difluorophenyl)amino]methylidene}-3-(methoxymethyl)-4,5-dihydro-1H-pyrazol-5-one CAS 240799-65-9
| CAS No. | 240799-65-9 |
| Molecular Formula | C12H11F2N3O2 |
| Molecular Weight | 267.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-{[(2,4-difluorophenyl)amino]methylidene}-3-(methoxymethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 240799-65-9), a certified reference material (molecular formula C12H11F2N3O2, MW 267.23 g/mol) for analytical method development and quality control.
Structurally, 4-{[(2,4-difluorophenyl)amino]methylidene}-3-(methoxymethyl)-4,5-dihydro-1H-pyrazol-5-one (C12H11F2N3O2) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 267.23 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 4-{[(2,4-difluorophenyl)amino]methylidene}-3-(methoxymethyl)-4,5-dihydro-1H-pyrazol-5-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 | C12H11F2N3O2 |
| Molecular Weight | 267.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 2-Methyloxolane-3-carbohydrazide (CAS 1502082-16-7)
- N-(2-(2,4-Dioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl)ethyl)-4-methylthiazole-5-carboxamide (CAS 2034416-80-1)
- Methyl 4-((3-chloropyrazin-2-yl)oxy)benzoate (CAS 1223884-08-9)
- Alverine Impurity 9 HCl (CAS 87462-11-1(free base))
- 2-((4-Chlorophenoxy)methyl)thiazole-4-carbaldehyde (CAS 1082312-23-9)
- Tirzepatide Impurity 1 (CAS 2460751-66-8)
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