≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504773344 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504773344 |
| Canonical Smiles | CC1=NNC(=C1)[N+](=O)[O-] |
| IUPAC Name | 3-methyl-5-nitro-1H-pyrazole |
| InChIKey | ASURMMBYYOJOTQ-UHFFFAOYSA-N |
| INCHI | 1S/C4H5N3O2/c1-3-2-4(6-5-3)7(8)9/h2H,1H3,(H,5,6) |
| Isomeric SMILES | CC1=NNC(=C1)[N+](=O)[O-] |
| Molecular Weight | 127.1 |
| Reaxy-Rn | 607945 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=607945&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 | Organic 1,3-dipolar compounds |
| Class | Allyl-type 1,3-dipolar organic compounds |
| Subclass | Organic nitro compounds |
| Intermediate Tree Nodes | C-nitro compounds |
| Direct Parent | Nitroaromatic compounds |
| Alternative Parents | Imidolactams Pyrazoles Heteroaromatic compounds Propargyl-type 1,3-dipolar organic compounds Organic oxoazanium compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic zwitterions Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Nitroaromatic compound - Imidolactam - Azole - Pyrazole - Heteroaromatic compound - Organic oxoazanium - Propargyl-type 1,3-dipolar organic compound - Organoheterocyclic compound - Azacycle - Organopnictogen compound - Organic nitrogen compound - Organic zwitterion - Organic oxygen compound - Organonitrogen compound - Organic oxide - Hydrocarbon derivative - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as nitroaromatic compounds. These are c-nitro compounds where the nitro group is C-substituted with an aromatic group. |
| 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 |
|---|---|---|---|
 J2529749 | Certificate of Analysis | Oct 15, 2025 | M183855 |
| J2529750 | Certificate of Analysis | Oct 15, 2025 | M183855 |
| J2529751 | Certificate of Analysis | Oct 15, 2025 | M183855 |
| L2425089 | Certificate of Analysis | Dec 30, 2024 | M183855 |
| J2510550 | Certificate of Analysis | Jun 25, 2024 | M183855 |
| I1920103 | Certificate of Analysis | Jul 20, 2022 | M183855 |
| Molecular Weight | 127.100 g/mol |
|---|---|
| XLogP3 | 0.800 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 127.038 Da |
| Monoisotopic Mass | 127.038 Da |
| Topological Polar Surface Area | 74.500 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 121.000 |
| 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 |
