≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Protected from light,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504771303 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504771303 |
| Sourires canoniques | C#CC1=CC=NN1 |
| IUPAC Name | 5-ethynyl-1H-pyrazole |
| InChIKey | KUOWLAMMSCRRFS-UHFFFAOYSA-N |
| INCHI | 1S/C5H4N2/c1-2-5-3-4-6-7-5/h1,3-4H,(H,6,7) |
| Isomères SMILES | C#CC1=CC=NN1 |
| WGK Allemagne | 3 |
| Poids moléculaire | 92.1 |
| Reaxy-Rn | 906903 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=906903&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Classe | Azoles |
| Subclass | Pyrazoles |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyrazoles |
| Alternative Parents | Heteroaromatic compounds Azacyclic compounds Acetylides Organopnictogen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Heteroaromatic compound - Pyrazole - Acetylide - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyrazoles. These are compounds containing a pyrazole ring, which is a five-member aromatic ring with two nitrogen atoms (at positions 1 and 2) and three carbon atoms. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Article |
|---|---|---|---|
 I2601128 | Certificate of Analysis | Sep 10, 2026 | E478860 |
| F2327248 | Certificate of Analysis | May 31, 2023 | E478860 |
| F2327252 | Certificate of Analysis | May 31, 2023 | E478860 |
| F2327259 | Certificate of Analysis | May 31, 2023 | E478860 |
| F2327261 | Certificate of Analysis | May 31, 2023 | E478860 |
| F2327263 | Certificate of Analysis | May 31, 2023 | E478860 |
| F2327269 | Certificate of Analysis | May 31, 2023 | E478860 |
| I2510045 | Certificate of Analysis | May 31, 2023 | E478860 |
| Sensibilité | Light sensitive |
|---|---|
| Poids moléculaire | 92.100 g/mol |
| XLogP3 | 0.500 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 92.0374 Da |
| Monoisotopic Mass | 92.0374 Da |
| Topological Polar Surface Area | 28.700 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 99.900 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
