3-(2,5-Dimethylphenyl)-1H-pyrazole-4-carbaldehyde CAS 720696-71-9
| CAS No. | 720696-71-9 |
| Molecular Formula | C12H12N2O |
| Molecular Weight | 200.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(2,5-Dimethylphenyl)-1H-pyrazole-4-carbaldehyde 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.
3-(2,5-Dimethylphenyl)-1H-pyrazole-4-carbaldehyde (CAS 720696-71-9), molecular formula C12H12N2O and molecular weight 200.24 g/mol, is a CATO reference standard with documented purity and traceability.
3-(2,5-Dimethylphenyl)-1H-pyrazole-4-carbaldehyde (C12H12N2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(2,5-Dimethylphenyl)-1H-pyrazole-4-carbaldehyde 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.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O |
| Molecular Weight | 200.24 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
Related Dimethylphenyl Standards
- 5-(2,5-Dimethylphenyl)-1,2,4-triazin-3-amine (CAS 1094385-23-5)
- 5-(3,4-Dimethylphenyl)-1,2,4-triazin-3-amine (CAS 1094385-33-7)
- 5-(3,5-Dimethylphenyl)pyrimidin-2-ol (CAS 1111108-38-3)
- 5-(2,3-Dimethylphenyl)pyrimidin-2-ol (CAS 1111108-60-1)
- 5-(2,4-Dimethylphenyl)pyrimidin-2-ol (CAS 1111113-63-3)
- 5-(2,5-Dimethylphenyl)pyrimidin-2-ol (CAS 1111114-13-6)
- 1-(2,5-Dimethylphenyl)-1H-pyrazole-4-carbaldehyde (CAS 1152589-08-6)
- 1-(3,4-Dimethylphenyl)-1H-pyrazole-4-carbaldehyde (CAS 1171494-10-2)
Recommended Standards
- 3-(1-Phenyl-1h-pyrazol-4-yl)prop-2-en-1-ol (CAS 545421-04-3)
- 3-(2-Ethylbenzo[d]oxazol-7-yl)propanenitrile (CAS 625850-72-8)
- 3-(1H-Imidazol-1-yl)-1-phenyl-1-propanone (CAS 28918-16-3)
- 3-(3,3-Dimethyl-2-oxoazetidin-1-yl)benzonitrile (CAS 341965-81-9)
- 2-(1-benzothiophen-4-yl)acetic acid (CAS 2635-75-8)
- tert-Butyl (5-phenylfuran-2-yl)carbamate (CAS 62188-19-6)
- Ethyl 6-formyl-5-nitronicotinate (CAS 2589531-65-5)
- 2-((Cyclopropyl(isoquinolin-1-yl)methyl)amino)acetic acid (CAS 1353955-63-1)
- 4'-Methoxy-2',3'-dihydrospiro[imidazolidine-4,1'-indene]-2,5-dione (CAS 1334147-85-1)
- 2-(6-Amino-5-bromo-3-(difluoromethyl)pyridin-2-yl)acetonitrile (CAS 1804724-78-4)
- 1-(5-Fluoro-2-methyl-3-nitrophenyl)ethanone (CAS 176548-78-0)
- 3-Cyano-6-cyclopropylpicolinic acid (CAS 1221791-98-5)
- 3-(4-Amino-1h-pyrazol-1-yl)-N-methylpropanamide (CAS 1248150-30-2)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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