≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads 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.
| Canonical Smiles | CN1C=C(N=C1)S(=O)(=O)Cl |
|---|---|
| IUPAC Name | 1-methylimidazole-4-sulfonyl chloride |
| InChIKey | KXUGUWTUFUWYRS-UHFFFAOYSA-N |
| INCHI | 1S/C4H5ClN2O2S/c1-7-2-4(6-3-7)10(5,8)9/h2-3H,1H3 |
| Isomeric SMILES | CN1C=C(N=C1)S(=O)(=O)Cl |
| PubChem CID | 2736887 |
| Molecular Weight | 180.61 |
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 | Imidazoles |
| Intermediate Tree Nodes | Substituted imidazoles |
| Direct Parent | N-substituted imidazoles |
| Alternative Parents | Sulfonyls Sulfonyl chlorides Organosulfonic acids and derivatives Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | N-substituted imidazole - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl chloride - Sulfonyl halide - Sulfonyl - Heteroaromatic compound - Azacycle - Organosulfur compound - Organonitrogen compound - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as n-substituted imidazoles. These are heterocyclic compounds containing an imidazole ring substituted at position 1. |
| 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 |
|---|---|---|---|
 E2620540 | Certificate of Analysis | Jan 17, 2026 | M700041 |
| E2620541 | Certificate of Analysis | Jan 17, 2026 | M700041 |
| E2620542 | Certificate of Analysis | Jan 17, 2026 | M700041 |
| E2620553 | Certificate of Analysis | Jan 17, 2026 | M700041 |
| Sensitivity | Light sensitive |
|---|---|
| Molecular Weight | 180.610 g/mol |
| XLogP3 | 0.400 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 179.976 Da |
| Monoisotopic Mass | 179.976 Da |
| Topological Polar Surface Area | 60.300 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 210.000 |
| 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 |
