1-(2-Ethynylphenyl)-1H-pyrazole CAS 2228848-05-1
| CAS No. | 2228848-05-1 |
| Molecular Formula | C11H8N2 |
| Molecular Weight | 168.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(2-Ethynylphenyl)-1H-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1-(2-Ethynylphenyl)-1H-pyrazole (CAS 2228848-05-1), molecular formula C11H8N2 and molecular weight 168.19 g/mol, is a CATO reference standard with documented purity and traceability.
1-(2-Ethynylphenyl)-1H-pyrazole (C11H8N2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. 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.
Physical & Chemical Properties
| Molecular Formula | C11H8N2 |
| Molecular Weight | 168.19 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.) | 1998 |
| Nitrogen Atoms | 2 |
Related Ethynylphenyl Standards
- 1-(4-Ethynylphenyl)-1H-imidazole (CAS 1123827-71-3)
- 2-(4-Ethynylphenyl)-1H-imidazole (CAS 1270965-27-9)
- 1-(4-Ethynylphenyl)-1H-pyrazole (CAS 1270965-28-0)
- 1-(3-Ethynylphenyl)bicyclo[1.1.1]Pentane (CAS 1823936-00-0)
- 1-(3-Ethynylphenyl)cyclopropane-1-carbonitrile (CAS 1314786-11-2)
- 1-(4-Ethynylphenyl)cyclopropane-1-carbonitrile (CAS 869977-87-7)
- n-(3-Ethynylphenyl)propiolamide (CAS 1247503-79-2)
- N-(4-ethynylphenyl)prop-2-ynamide (CAS 1267622-99-0)
Recommended Standards
- 1-(2-(Methoxymethyl)-1-methyl-1H-imidazol-5-yl)ethanone (CAS 600639-54-1)
- 1-(2-Isocyanophenyl)pyrrole (CAS 350829-07-1)
- 1-(2-(1,3-Dioxolan-2-yl)ethyl)-1H-imidazole (CAS 798571-74-1)
- 1-(2-Methoxyphenyl)ethane-1,2-diol (CAS 82807-38-3)
- Ac-Trp-Glu-His-Asp-AFC trifluoroacetate salt (CAS 210344-99-3)
- 1-Methyl-1H-benzo[d]imidazol-5-yl butane-1-sulfonate (CAS 1396802-38-2)
- 1-Bromo-3-fluoro-2,5-dimethylbenzene (CAS 1780924-57-3)
- 5-Chloro-1-methyl-1,6-naphthyridin-2(1H)-one (CAS 1023813-89-9)
- 3-(6-(Ethylamino)-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-oxopropanenitrile (CAS 132373-28-5)
- 6-Phenyl-2-(m-tolylthio)nicotinonitrile (CAS 252058-90-5)
- 1-benzyl-1H-pyrrole-3-carbaldehyde (CAS 30186-48-2)
- 1-(thiophen-2-yl)-2-azabicyclo[3.2.0]heptane hydrochloride (CAS 1909326-03-9)
- Methyl 6-bromo-2-(4-methoxyphenyl)quinoline-4-carboxylate (CAS 355432-91-6)
- Semaglutide Main Chain P29 (CAS 1169630-82-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com