Determine the necessary mass, volume, or concentration for preparing a solution.
≥97% 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 | C1=CN2C(=CC=N2)N=C1Cl |
|---|---|
| IUPAC Name | 5-chloropyrazolo[1,5-a]pyrimidine |
| InChIKey | WEPRLWNMBTYGGD-UHFFFAOYSA-N |
| INCHI | 1S/C6H4ClN3/c7-5-2-4-10-6(9-5)1-3-8-10/h1-4H |
| Isomeric SMILES | C1=CN2C(=CC=N2)N=C1Cl |
| Molecular Weight | 153.57 |
| Reaxy-Rn | 509625 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=509625&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 | Pyrazolopyrimidines |
| Subclass | Pyrazolo[1,5-a]pyrimidines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyrazolo[1,5-a]pyrimidines |
| Alternative Parents | Halopyrimidines Aryl chlorides Pyrazoles Heteroaromatic compounds Azacyclic compounds Organonitrogen compounds Organochlorides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Pyrazolo[1,5-a]pyrimidine - Halopyrimidine - Pyrimidine - Aryl halide - Aryl chloride - Heteroaromatic compound - Pyrazole - Azole - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organonitrogen compound - Organochloride - Organohalogen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyrazolo[1,5-a]pyrimidines. These are aromatic heterocyclic compounds containing a pyrazolo[3,4-d]pyrimidine ring system, which consists of a pyrazole ring fused to and sharing exactly one nitrogen atom with a pyrimidine ring. |
| External Descriptors | Not available |
| Sensitivity | Light sensitive |
|---|---|
| Molecular Weight | 153.570 g/mol |
| XLogP3 | 1.300 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 153.009 Da |
| Monoisotopic Mass | 153.009 Da |
| Topological Polar Surface Area | 30.200 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 130.000 |
| 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 |