≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Argon charged,Room temperature Ships Normal 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488182057 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488182057 |
| Canonical Smiles | CC1=CC=NN1 |
| IUPAC Name | 5-methyl-1H-pyrazole |
| InChIKey | XKVUYEYANWFIJX-UHFFFAOYSA-N |
| INCHI | 1S/C4H6N2/c1-4-2-3-5-6-4/h2-3H,1H3,(H,5,6) |
| Isomeric SMILES | CC1=CC=NN1 |
| WGK Germany | 3 |
| RTECS | UQ7340000 |
| UN Number | 2810 |
| Molecular Weight | 82.1 |
| Beilstein | 1454 |
| Reaxy-Rn | 605628 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=605628&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 |
| Class | Azoles |
| Subclass | Pyrazoles |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyrazoles |
| Alternative Parents | Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Heteroaromatic compound - Pyrazole - 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 | Item |
|---|---|---|---|
 I2202613 | Certificate of Analysis | Jun 11, 2026 | M108005 |
| I2202699 | Certificate of Analysis | Jun 11, 2026 | M108005 |
| I2202700 | Certificate of Analysis | Jun 11, 2026 | M108005 |
| I2202701 | Certificate of Analysis | Jun 11, 2026 | M108005 |
| H2514113 | Certificate of Analysis | Aug 23, 2025 | M108005 |
| I1818075 | Certificate of Analysis | Jul 21, 2022 | M108005 |
| I1818074 | Certificate of Analysis | Jul 21, 2022 | M108005 |
| B2518047 | Certificate of Analysis | Jun 20, 2022 | M108005 |
| G2528012 | Certificate of Analysis | Jun 20, 2022 | M108005 |
| Sensitivity | air sensitive |
|---|---|
| Refractive Index | 1.495 |
| Flash Point(°F) | 199.4 °F |
| Flash Point(°C) | 93 °C |
| Boil Point(°C) | 204°C |
| Molecular Weight | 82.100 g/mol |
| XLogP3 | 0.600 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 82.0531 Da |
| Monoisotopic Mass | 82.0531 Da |
| Topological Polar Surface Area | 28.700 Ų |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Complexity | 44.800 |
| 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 |
| 1. Bin Chen, Hegang Shu, Yujun Guo, Yingjie Xu. (2024) CO2 capture and viscosity of metal chelate-based ionic liquids: Influence of the structure and substitution of the azole-based anion. JOURNAL OF MOLECULAR LIQUIDS, [PMID:] [10.1016/j.molliq.2024.126574] |
