23486-70-6 5-ethynyl-1H-pyrazole NE17420 CAS 23486-70-6
| CAS No. | 23486-70-6 |
| Molecular Formula | C5H8N2 |
| Molecular Weight | 96.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 96.13 g/mol gives 23486-70-6 5-ethynyl-1H-pyrazole NE17420 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 23486-70-6 5-ethynyl-1H-pyrazole NE17420 (CAS 23486-70-6), a certified reference material (molecular formula C5H8N2, MW 96.13 g/mol) for analytical method development and quality control.
23486-70-6 5-ethynyl-1H-pyrazole NE17420 (C5H8N2) contains a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 23486-70-6 5-ethynyl-1H-pyrazole NE17420 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 | C5H8N2 |
| Molecular Weight | 96.13 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Related ethynyl Standards
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Recommended Standards
- 20843-07-6 Furan, 3,4-dimethyl- 3,4-Dimethylfuran (CAS 20843-07-6)
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- Vildagliptin Impurity 2 (CAS 5626-49-3)
- 2-Propenenitrile, 3-(dimethylamino)-, (2E)- 35520-41-3 SC-53543 (CAS 35520-41-3)
- 3-(3,3-Difluoroazetidin-1-yl)isonicotinaldehyde (CAS 1774895-44-1)
- Cobalt sulfate heptahydrate (CAS 10026-24-1)
- tert-Butyl 3,5-difluoro-4-hydroxy-3-methylpiperidine-1-carboxylate (CAS 2660254-43-1)
- 2-[(2-fluorophenyl)sulfanyl]acetic acid (CAS 705-02-2)
- 2-Ethynylpyridin-4-amine hydrochloride (CAS 1357353-33-3)
- methyl 3-formyl-1H-pyrrolo[2,3-b]pyridine-4-carboxylate (CAS 1190314-06-7)
- Benzo[4,5]imidazo[1,2-a]pyrimidine (CAS 245-55-6)
- N1,N3-bis(2,4-difluorophenyl)malonamide (CAS 339096-50-3)
- (1R,2S)-Ethyl 1-((tert-butoxycarbonyl)amino)-2-ethynylcyclopropanecarboxylate (CAS 1078628-38-2)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
Why CATO?
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