(E)-5-styryl-1H-pyrazole-4-carbaldehyde CAS 1159834-02-2
| CAS No. | 1159834-02-2 |
| Molecular Formula | C12H10N2O |
| Molecular Weight | 198.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (E)-5-styryl-1H-pyrazole-4-carbaldehyde (CAS 1159834-02-2), a certified reference material (molecular formula C12H10N2O, MW 198.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H10N2O, (E)-5-styryl-1H-pyrazole-4-carbaldehyde 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 198.22 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 | C12H10N2O |
| Molecular Weight | 198.22 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Ethyl 5-(2-hydroxypropan-2-yl)-1H-pyrazole-3-carboxylate (CAS 1159014-53-5)
- Ethyl 3-(ethylamino)-5-methylisoxazole-4-carboxylate (CAS 116545-16-5)
- 2-(4-Amino-1h-pyrazol-1-yl)-N-(2-methoxyethyl)acetamide (CAS 1156725-92-6)
- 1-(2-Hydroxyethyl)-3-(propan-2-yl)-1h-pyrazole-4-carboxylic acid (CAS 1170287-57-6)
- 2-(4-Methoxyphenyl)isoindoline-1,3-dione (CAS 2142-04-3)
- 4-Methylumbelliferyl 2-acetamido-2-deoxy-α-D-glucopyranoside (CAS 80265-04-9)
- tert-Butyl ((1s,3s)-3-(N-methylsulfamoyl)cyclobutyl)carbamate (CAS 2639403-70-4)
- [(RS)-2-Carboxy-3-phenylpropionyl]-Leu-OH (N-1185.0025) (CAS 209127-97-9)
- 4-Hydrazinyl-7-methoxy-2-methylquinoline (CAS 49612-20-6)
- 4-(2-Iodophenyl)pyridine (CAS 83420-58-0)
- (S)-Methyl indoline-2-carboxylate hydrochloride (CAS 96056-64-3)
- 5-Ethyl-5-(1-methoxypropyl)imidazolidine-2,4-dione (CAS 412308-20-4)
- 4-Methyl-1H-pyrrolo[2,3-c]pyridine-7-carboxylic acid (CAS 1159829-72-7)
- D-Ala18-Tirzepatide (CAS CATO-CPTD788916)
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