About 2-chloro-5-ethynylpyrazine
2-chloro-5-ethynylpyrazine (PubChem CID 71299556) has the molecular formula C6H3ClN2
and a molecular weight of 138.56 g/mol. Its IUPAC name is 2-chloro-5-ethynylpyrazine.
Molecular Properties
| Compound Name | 2-chloro-5-ethynylpyrazine |
| PubChem CID | 71299556 |
| Molecular Formula | C6H3ClN2 |
| Molecular Weight | 138.56 g/mol |
| Exact Mass | 138.00 |
| IUPAC Name | 2-chloro-5-ethynylpyrazine |
| SMILES | C#Cc1cnc(Cl)cn1 |
| InChI | InChI=1S/C6H3ClN2/c1-2-5-3-9-6(7)4-8-5/h1,3-4H |
| InChIKey | DMJYCNHBBHKMPC-UHFFFAOYSA-N |
| XLogP | 1.11 |
| TPSA | 25.78 Ų |
| H-Bond Donors | |
| H-Bond Acceptors | 2 |
| Rotatable Bonds | |
| Heavy Atoms | 9 |
| Complexity | — |
Lipinski Rule of Five
Passes Rule of Five
| Rule | Value |
| MW ≤ 500 | 138.56 |
| LogP ≤ 5 | 1.11 |
| H-Bond Donors ≤ 5 | 0 |
| H-Bond Acceptors ≤ 10 | 2 |
Computed Properties (RDKit)
| Structural Alerts | {'alert_name': 'triple_bond', 'substructure': 'N/A'} |
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Frequently Asked Questions
What is the IUPAC name of 2-chloro-5-ethynylpyrazine?
The IUPAC name of 2-chloro-5-ethynylpyrazine (CID 71299556) is 2-chloro-5-ethynylpyrazine.
What is the SMILES notation for 2-chloro-5-ethynylpyrazine?
The canonical SMILES for 2-chloro-5-ethynylpyrazine is C#Cc1cnc(Cl)cn1.
What is the InChIKey of 2-chloro-5-ethynylpyrazine?
The InChIKey is DMJYCNHBBHKMPC-UHFFFAOYSA-N. The full InChI is InChI=1S/C6H3ClN2/c1-2-5-3-9-6(7)4-8-5/h1,3-4H.
What are the key properties of 2-chloro-5-ethynylpyrazine?
2-chloro-5-ethynylpyrazine has a molecular weight of 138.56 g/mol, XLogP of 1.11, 0 rotatable bonds, 0 hydrogen bond donors, and 2 hydrogen bond acceptors.
Where does this data come from?
All data for 2-chloro-5-ethynylpyrazine is sourced from PubChem (CID 71299556), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).