≥97% 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 | 488192742 |
|---|---|
| Canonical Smiles | C1=C(SC(=C1)Br)C2=CC=NN2 |
| IUPAC Name | 5-(5-bromothiophen-2-yl)-1H-pyrazole |
| InChIKey | RBOKZFIVGFLORX-UHFFFAOYSA-N |
| INCHI | 1S/C7H5BrN2S/c8-7-2-1-6(11-7)5-3-4-9-10-5/h1-4H,(H,9,10) |
| Isomeric SMILES | C1=C(SC(=C1)Br)C2=CC=NN2 |
| Molecular Weight | 229.1 |
| Reaxy-Rn | 52271136 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=52271136&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 | Thiophenes |
| Subclass | 2,5-disubstituted thiophenes |
| Intermediate Tree Nodes | Not available |
| Direct Parent | 2,5-disubstituted thiophenes |
| Alternative Parents | Aryl bromides Pyrazoles Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organobromides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | 2,5-disubstituted thiophene - Aryl halide - Aryl bromide - Heteroaromatic compound - Pyrazole - Azole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Organobromide - Organohalogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as 2,5-disubstituted thiophenes. These are organic compounds containing a thiophene that is disubstituted at the C-2, and C5-positions. |
| 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 |
|---|---|---|---|
 F23021111 | Certificate of Analysis | Mar 13, 2026 | B343235 |
| B2602074 | Certificate of Analysis | Mar 02, 2026 | B343235 |
| J2219347 | Certificate of Analysis | Aug 15, 2025 | B343235 |
| J2219297 | Certificate of Analysis | Aug 15, 2025 | B343235 |
| J2219346 | Certificate of Analysis | Aug 11, 2025 | B343235 |
| J2219292 | Certificate of Analysis | Aug 07, 2025 | B343235 |
| C2513290 | Certificate of Analysis | Aug 10, 2022 | B343235 |
| Melt Point(°C) | 166-167° C |
|---|---|
| Molecular Weight | 229.100 g/mol |
| XLogP3 | 2.600 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 227.936 Da |
| Monoisotopic Mass | 227.936 Da |
| Topological Polar Surface Area | 56.900 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 144.000 |
| 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 |
