2-(1H-Pyrazol-1-yl)nicotinaldehyde CAS 1703002-91-8
| CAS No. | 1703002-91-8 |
| Molecular Formula | C9H7N3O |
| Molecular Weight | 173.17 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 2-(1H-Pyrazol-1-yl)nicotinaldehyde (CAS 1703002-91-8), a certified reference material (molecular formula C9H7N3O, MW 173.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7N3O, 2-(1H-Pyrazol-1-yl)nicotinaldehyde 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 173.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C9H7N3O |
| Molecular Weight | 173.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1994 |
| Nitrogen Atoms | 3 |
Related H Standards
- 6-(1H-pyrazol-1-yl)nicotinaldehyde (CAS 1097198-86-1)
- (1H-Pyrazol-4-yl)(pyridin-4-yl)methanone (CAS 137368-99-1)
- 6-(1H-pyrazol-1-yl)picolinaldehyde (CAS 217657-66-4)
- (4-(1H-pyrazol-3-yl)phenyl)methanamine (CAS 1017785-80-6)
- (3-(1H-pyrazol-1-yl)phenyl)methanamine (CAS 687635-04-7)
- 3-(1h-Pyrazol-4-yl)benzaldehyde (CAS 1017794-46-5)
- 2-(1H-Pyrazol-4-yl)benzaldehyde (CAS 1283119-12-9)
- 3-(1H-Pyrazol-3-yl)benzaldehyde (CAS 179057-26-2)
Recommended Standards
- 4-(4H-1,2,4-Triazol-4-yl)benzaldehyde (CAS 170023-30-0)
- 2,5-Dimethoxy-2,5-dihydrofuran-2-carboxamide (CAS 1706452-97-2)
- 2-(Hydroxymethyl)-2-(4H-1,2,4-triazol-4-yl)propane-1,3-diol (CAS 1696720-09-8)
- Piperidine-2,3-dicarboxylic Acid (CAS 17079-18-4)
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- 2-Chloro-4-fluoro-3-(methoxymethyl)benzoic acid (CAS 2404733-74-8)
- 2-Bromo-1-(difluoromethyl)-4-nitrobenzene (CAS 1261496-29-0)
- 3-Isopropyl-2-(piperazin-1-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 1708168-16-4)
- 4-(5-Methyl-2-pyridinyl)benzoic acid (CAS 845826-92-8)
- 2-Amino-1H-purin-6(9H)-one hydrate (CAS 35020-24-7)
- 1-[2-(dimethylamino)ethyl]-1H-1,2,3-triazole-4-carboxylic acid (CAS 1038705-93-9)
- n-(4-Bromo-3-methylphenyl)-2-(piperidin-1-yl)acetamide (CAS 196082-32-3)
- (E)-1-((4-chlorophenyl)sulfonyl)-N'-(2-hydroxybenzylidene)piperidine-4-carbohydrazide (CAS 393852-31-8)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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