Cas no 874114-34-8 (6-Chloropyrazine-2-carbaldehyde)

6-Chloropyrazine-2-carbaldehyde is a versatile heterocyclic compound featuring a chlorinated pyrazine core with an aldehyde functional group. Its reactive aldehyde moiety makes it a valuable intermediate in organic synthesis, particularly for constructing pharmaceuticals, agrochemicals, and specialty chemicals. The electron-withdrawing chlorine substituent enhances its electrophilic character, facilitating nucleophilic substitution reactions. This compound is often employed in the synthesis of pyrazine derivatives, including biologically active molecules and coordination complexes. Its high purity and stability under controlled conditions ensure reliable performance in research and industrial applications. The structural features of 6-Chloropyrazine-2-carbaldehyde enable precise functionalization, making it a preferred choice for synthetic chemists.
6-Chloropyrazine-2-carbaldehyde structure
874114-34-8 structure
Product Name:6-Chloropyrazine-2-carbaldehyde
CAS No:874114-34-8
MF:C5H3ClN2O
MW:142.543119668961
MDL:MFCD10698568
CID:840713
PubChem ID:11693922
Update Time:2025-05-28

6-Chloropyrazine-2-carbaldehyde Chemical and Physical Properties

Names and Identifiers

    • 6-chloro-2-Pyrazinecarboxaldehyde
    • 6-chloropyrazine-2-carbaldehyde
    • PYRAZINECARBOXALDEHYDE, 6-CHLORO-
    • 6-Chloro-pyrazine-2-carbaldehyde
    • NWLIHAPBHUZMAD-UHFFFAOYSA-N
    • 3835AC
    • FCH882256
    • PB16295
    • AX8215100
    • ST2412353
    • 6-Chloro-2-pyrazinecarboxaldehyde (ACI)
    • Pyrazinecarboxaldehyde, 6-chloro- (9CI)
    • 6-Chloropyrazine-2-carboxaldehyde
    • 6-Chloropyrazine-2-carbaldehyde
    • MDL： MFCD10698568
    • Inchi： 1S/C5H3ClN2O/c6-5-2-7-1-4(3-9)8-5/h1-3H
    • InChI Key： NWLIHAPBHUZMAD-UHFFFAOYSA-N
    • SMILES： O=CC1C=NC=C(Cl)N=1

Computed Properties

  • Exact Mass: 141.99300
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 9
  • Rotatable Bond Count: 1
  • Complexity: 109
  • XLogP3: 0.5
  • Topological Polar Surface Area: 42.8

Experimental Properties

  • Density: 1.432±0.06 g/cm3 (20 oC 760 Torr)
  • Boiling Point: 215.4±35.0℃ at 760 mmHg
  • Flash Point: 84.1±25.9℃
  • PSA: 42.85000
  • LogP: 0.94250

6-Chloropyrazine-2-carbaldehyde Customs Data

  • HS CODE：2933990090
  • Customs Data：

    China Customs Code:

    2933990090

    Overview:

    2933990090. Other heterocyclic compounds containing only nitrogen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

6-Chloropyrazine-2-carbaldehyde Pricemore >>

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6-Chloropyrazine-2-carbaldehyde Production Method

Production Method 1

Reaction Conditions
1.1 Reagents: Methyl iodide ,  Calcium carbonate Solvents: Acetonitrile ,  Water ;  24 h, 60 °C
Reference
On the nucleophilic tele-substitution of dichloropyrazines by metalated dithianes
Torr, Jane E.; Large, Jonathan M.; Horton, Peter N.; Hursthouse, Michael B.; McDonald, Edward, Tetrahedron Letters, 2006, 47(1), 31-34

Production Method 2

Reaction Conditions
1.1 Reagents: Boron trifluoride etherate ,  Mercuric oxide Solvents: Tetrahydrofuran ,  Water
Reference
Approaches to the Synthesis of Naphthyridinomycin and Quinocarcin
Allway, Philip A., 1989, , ,

6-Chloropyrazine-2-carbaldehyde Raw materials

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6-Chloropyrazine-2-carbaldehyde Related Literature

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