5-(Methoxymethyl)-4-{[(2-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one CAS 240799-74-0
| CAS No. | 240799-74-0 |
| Molecular Formula | C12H14N4O2 |
| Molecular Weight | 246.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Methoxymethyl)-4-{[(2-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one (C12H14N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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).
CATO supplies 5-(Methoxymethyl)-4-{[(2-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one (CAS 240799-74-0), a certified reference material (molecular formula C12H14N4O2, MW 246.27 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H14N4O2 |
| Molecular Weight | 246.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related Methoxymethyl Standards
- 5-(Methoxymethyl)-4-{[(3-pyridinylmethyl)amino]methylene}-2,4-dihydro-3H-pyrazol-3-one (CAS 240799-76-2)
- Methoxymethyl(diphenyl)phosphine Oxide (CAS 4455-77-0)
- Ethyl 2-((5-(methoxymethyl)-1,3,4-thiadiazol-2-yl)amino)-2-oxoacetate (CAS 510763-29-8)
- 2-[2-(Methoxymethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1688661-75-7)
- 2-(3-(Methoxymethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 675605-91-1)
- 2-(4-(Methoxymethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 675605-92-2)
- 6-(Methoxymethyl)-3-(1-methyl-1H-pyrazol-4-yl)-4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrazine (CAS 1422138-59-7)
- (5-(Methoxymethyl)-1H-1,2,4-triazol-3-yl)(4-methoxyphenyl)methanamine (CAS 1674433-86-3)
Recommended Standards
- 5-(1-Phenyl-1H-pyrrol-2-yl)pyridazine-4-carbonitrile (CAS 919785-70-9)
- 4-Propoxy-N-(1H-1,2,4-triazol-5-yl)benzamide (CAS 892681-82-2)
- 5,6-Diamino-1-phenethylpyrimidine-2,4(1H,3H)-dione (CAS 937600-08-3)
- 4-Phenoxy-N-(1h-1,2,4-triazol-3-yl)butanamide (CAS 303033-10-5)
- 2-((4,6-Difluoro-1,3,5-triazin-2-yl)amino)benzenesulfonic acid (CAS 60379-39-7)
- 3'-Methyl-[1,1'-biphenyl]-2-carbaldehyde (CAS 216443-17-3)
- 2-Methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carbohydrazide (CAS 860786-80-7)
- 3-(3,4-Dimethoxyphenyl)-6-ethoxy-4-methyl-2H-chromen-2-one (CAS 720674-30-6)
- 2-((5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-ethylphenyl)acetamide (CAS 332380-84-4)
- Ethyl 5-chloro-4-iodo-1H-pyrazole-3-carboxylate (CAS 1934360-92-5)
- 1-(2-(Isopropylselanyl)-3-phenylcyclobut-2-en-1-yl)ethanone (CAS 820963-09-5)
- 4-[4-Methyl-5-(methylthio)-4H-1,2,4-triazol-3-yl]-pyridine (CAS 57295-67-7)
- 2-(Difluoromethyl)-5-hydroxyquinoline (CAS 1261458-68-7)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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