≥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 | 488184503 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488184503 |
| Canonical Smiles | CN1C=CC=N1 |
| IUPAC Name | 1-methylpyrazole |
| InChIKey | UQFQONCQIQEYPJ-UHFFFAOYSA-N |
| INCHI | 1S/C4H6N2/c1-6-4-2-3-5-6/h2-4H,1H3 |
| Isomeric SMILES | CN1C=CC=N1 |
| WGK Germany | 3 |
| UN Number | 1993 |
| Packing Group | III |
| Molecular Weight | 82.1 |
| Beilstein | 3933212 |
| Reaxy-Rn | 105207 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=105207&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 | pyrazoles |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 H2209509 | Certificate of Analysis | May 20, 2026 | M107967 |
| H2209516 | Certificate of Analysis | May 20, 2026 | M107967 |
| D1816048 | Certificate of Analysis | Nov 10, 2025 | M107967 |
| D1816049 | Certificate of Analysis | Nov 10, 2025 | M107967 |
| E2131047 | Certificate of Analysis | Mar 04, 2025 | M107967 |
| J2422526 | Certificate of Analysis | Jul 10, 2024 | M107967 |
| J2422527 | Certificate of Analysis | Jul 10, 2024 | M107967 |
| J2422528 | Certificate of Analysis | Jul 10, 2024 | M107967 |
| J2422529 | Certificate of Analysis | Jul 10, 2024 | M107967 |
| D2318251 | Certificate of Analysis | Jun 11, 2022 | M107967 |
| D2318259 | Certificate of Analysis | Jun 11, 2022 | M107967 |
| D2318264 | Certificate of Analysis | Jun 11, 2022 | M107967 |
| H2209517 | Certificate of Analysis | Jun 11, 2022 | M107967 |
| Solubility | Soluble in water |
|---|---|
| Refractive Index | 1.477 |
| Flash Point(°F) | 96.8 °F |
| Flash Point(°C) | 36 °C |
| Boil Point(°C) | 127°C |
| Molecular Weight | 82.100 g/mol |
| XLogP3 | 0.200 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 82.0531 Da |
| Monoisotopic Mass | 82.0531 Da |
| Topological Polar Surface Area | 17.800 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. Dongren Cai, Yiwei Xie, Ling Li, Jieyong Ren, Xiaocheng Lin, Ting Qiu. (2018) Design and synthesis of novel Brønsted-Lewis acidic ionic liquid and its application in biodiesel production from soapberry oil. ENERGY CONVERSION AND MANAGEMENT, [PMID:] [10.1016/j.enconman.2018.04.036] |
