2,4-Dimethyl-5-phenyl-1H-pyrazol-3(2H)-one CAS 113307-34-9
| CAS No. | 113307-34-9 |
| Molecular Formula | C11H12N2O |
| Molecular Weight | 188.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,4-Dimethyl-5-phenyl-1H-pyrazol-3(2H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
2,4-Dimethyl-5-phenyl-1H-pyrazol-3(2H)-one (CAS 113307-34-9), molecular formula C11H12N2O and molecular weight 188.23 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H12N2O, 2,4-Dimethyl-5-phenyl-1H-pyrazol-3(2H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O |
| Molecular Weight | 188.23 g/mol |
| 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.) | 1989 |
| Nitrogen Atoms | 2 |
Related Dimethyl Standards
- 6-(3,5-dimethyl-1H-pyrazol-1-yl)pyridin-3-amine (CAS 1006464-86-3)
- 1,4-Dimethyl-3-methylene-3,4-dihydroquinoxalin-2(1H)-one (CAS 107073-47-2)
- 2,6-Dimethyl-1,4,7,8-tetrahydrobenzo[1,2-d:4,5-d']diimidazole (CAS 114205-32-2)
- 1,4-Dimethyl-3-(pyridin-4-yl)-1h-pyrazol-5-amine (CAS 1152650-38-8)
- 2,3-Dimethyl-5-(4H-1,2,4-triazol-4-yl)aniline (CAS 1219543-87-9)
- 3,4-Dimethyl-2-(4H-1,2,4-triazol-4-yl)aniline (CAS 1224163-17-0)
- 2,4-Dimethyl-5-(4H-1,2,4-triazol-4-yl)aniline (CAS 1224170-65-3)
- 3-(dimethyl-4H-1,2,4-triazol-3-yl)aniline (CAS 1247670-36-5)
Recommended Standards
- 1-(Methoxymethyl)-2-phenyl-1H-imidazole (CAS 112655-31-9)
- 6-Cyclopropyl-1-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine (CAS 1135283-77-0)
- 2-(Piperidin-1-yl)pyrimidine-5-carbonitrile (CAS 1123169-22-1)
- N,N-Dimethyl-N'-1H-pyrrolo[3,2-b]pyridine-5-yl-methanimidamide (CAS 1135437-93-2)
- N-(2-Cyano-3-methylbutan-2-yl)-2-((5-phenyl-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 757206-17-0)
- 2-methoxy-4-[2-(1-methylpyrrolidin-2-yl)ethoxy]aniline dihydrochloride (CAS 1803600-45-4)
- 6-Chloro-[1,2,4]triazolo[1,5-a]pyridine (CAS 1427357-23-0)
- Cholesta-3,5-diene (CAS 747-90-0)
- ARQ-621 (CAS 1095253-39-6)
- n-[3-(1h-1,3-benzodiazol-2-yl)propyl]butanamide (CAS 686736-45-8)
- 2-Acrylamido-2-ethylbutanoic acid (CAS 111818-56-5)
- 1-(4-Chlorophenyl)pentan-2-one (CAS 607391-63-9)
- 2-Fluoro-5-iodoaniline (CAS 886362-82-9)
- Eosinophilotactic Peptide (CAS 61756-28-3)
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