Cas no 4858-85-9 (2,3-Dichloropyrazine)

2,3-Dichloropyrazine is a heterocyclic organic compound featuring a pyrazine core substituted with chlorine atoms at the 2 and 3 positions. This compound serves as a versatile intermediate in pharmaceutical and agrochemical synthesis, particularly in the development of active ingredients and specialty chemicals. Its dichlorinated structure enhances reactivity, facilitating nucleophilic substitution reactions to introduce diverse functional groups. The electron-withdrawing nature of the chlorine atoms also stabilizes the pyrazine ring, making it suitable for further derivatization under controlled conditions. With high purity and consistent performance, 2,3-Dichloropyrazine is valued for its role in constructing complex molecular frameworks in research and industrial applications.
2,3-Dichloropyrazine structure
2,3-Dichloropyrazine structure
Product Name:2,3-Dichloropyrazine
CAS No:4858-85-9
MF:C4H2Cl2N2
MW:148.978078365326
MDL:MFCD00040964
CID:45376
PubChem ID:24870254
Update Time:2025-06-14

2,3-Dichloropyrazine Chemical and Physical Properties

Names and Identifiers

    • 2,3-Dichloropyrazine
    • 2,3-Dichloropyazine
    • 2,3-Dichloro-1,4-diazine
    • 2,3-Dichlor-pyrazin
    • dichloropyrazine
    • ethyl 5,6-dichloropyrazine
    • Pyrazine,2,3-dichloro
    • Pyrazine, 2,3-dichloro-
    • 2,3-dichloro-pyrazine
    • 2,3-dichloro pyrazine
    • MLCNOCRGSBCAGH-UHFFFAOYSA-N
    • 2,3-dichlorpyrazin
    • dichloro pyrazine
    • zlchem 169
    • 5,6-dichloropyrazine
    • 2.3-dichloropyrazine
    • 2,3 dichloropyrazine
    • PubChem8547
    • 2 3-dichloropyrazine
    • KSC238Q1P
    • ARONIS24141
    • MLCNOCRGSBCAGH-UHFFFAOYSA-
    • D3061
    • DTXSID10197556
    • F0001-1272
    • MFCD00040964
    • BB 0242422
    • NS00031810
    • 4858-85-9
    • CS-W016328
    • AKOS005259647
    • SY004668
    • W-106047
    • AC-16400
    • 2,3-Dichloropyrazine, 95%
    • FT-0609580
    • EN300-56062
    • EINECS 225-460-1
    • AM20070355
    • A23324
    • Z850504018
    • SCHEMBL103808
    • BCP23193
    • P10041
    • PB15620
    • PS-8931
    • InChI=1/C4H2Cl2N2/c5-3-4(6)8-2-1-7-3/h1-2H
    • DTXCID70120047
    • DB-005829
    • STL195586
    • MDL: MFCD00040964
    • Inchi: 1S/C4H2Cl2N2/c5-3-4(6)8-2-1-7-3/h1-2H
    • InChI Key: MLCNOCRGSBCAGH-UHFFFAOYSA-N
    • SMILES: ClC1C(=NC=CN=1)Cl
    • BRN: 112628

Computed Properties

  • Exact Mass: 147.96000
  • Monoisotopic Mass: 147.96
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Heavy Atom Count: 8
  • Rotatable Bond Count: 0
  • Complexity: 68.4
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 1.7
  • Topological Polar Surface Area: 25.8

Experimental Properties

  • Color/Form: colorless liquid
  • Density: 1.431?g/mL?at 25?°C(lit.)
  • Melting Point: 22.5-24.5 oC
  • Boiling Point: 105-107 oC (50 mmHg)
  • Flash Point: Fahrenheit: 215.6 ° f < br / > Celsius: 102 ° C < br / >
  • Refractive Index: 1.5645
  • PSA: 25.78000
  • LogP: 1.78340
  • Solubility: Soluble in chloroform and dichloromethane, insoluble in water.

2,3-Dichloropyrazine Security Information

  • Symbol: GHS07
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H315,H319,H335
  • Warning Statement: P261,P305+P351+P338
  • Hazardous Material transportation number:NONH for all modes of transport
  • WGK Germany:3
  • Hazard Category Code: 36/37/38
  • Safety Instruction: S36/37/39-S26-S36
  • Hazardous Material Identification: Xi
  • HazardClass:IRRITANT
  • Storage Condition:Store at room temperature
  • Safety Term:S26;S36
  • Risk Phrases:R36/37/38

2,3-Dichloropyrazine 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%

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2,3-Dichloropyrazine Production Method

2,3-Dichloropyrazine Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:4858-85-9)2,3-Dichloropyrazine
Order Number:sfd4145
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:33
Price ($):discuss personally

Additional information on 2,3-Dichloropyrazine

Comprehensive Overview of 2,3-Dichloropyrazine (CAS No. 4858-85-9): Properties, Applications, and Industry Insights

2,3-Dichloropyrazine (CAS No. 4858-85-9) is a heterocyclic organic compound featuring a pyrazine ring substituted with two chlorine atoms at the 2 and 3 positions. This chlorinated pyrazine derivative is widely recognized for its versatility in pharmaceutical, agrochemical, and material science applications. Its molecular formula, C4H2Cl2N2, and unique structural properties make it a valuable intermediate in synthetic chemistry. The compound’s high reactivity and selective functionalization capabilities have spurred interest in research and industrial sectors, particularly in the development of novel bioactive molecules.

In recent years, the demand for 2,3-Dichloropyrazine has grown due to its role in synthesizing advanced pharmaceutical ingredients (APIs) and crop protection agents. Researchers are increasingly exploring its potential in drug discovery, especially for targeting kinase inhibitors and antiviral compounds. A trending topic in the scientific community is the compound’s utility in green chemistry initiatives, where its derivatives are designed to minimize environmental impact. This aligns with global searches for sustainable chemical synthesis methods, a frequently queried topic in AI-driven research platforms.

The physical and chemical properties of 2,3-Dichloropyrazine contribute to its broad applicability. It typically appears as a white to off-white crystalline solid with a melting point ranging between 45–50°C. Its solubility in organic solvents like ethanol, acetone, and dichloromethane makes it ideal for multistep organic reactions. Analytical techniques such as HPLC, GC-MS, and NMR spectroscopy are commonly employed to verify its purity and structure, addressing another frequent user query: “How to characterize 2,3-Dichloropyrazine?”

From an industrial perspective, 2,3-Dichloropyrazine is a key building block for specialty chemicals. Its derivatives are integral to the production of electronic materials, including OLEDs and organic semiconductors, reflecting the surge in searches for “pyrazine-based functional materials.” Additionally, its role in flavor and fragrance formulations—owing to its nitrogen-rich aromatic profile—has garnered attention in the food and cosmetics industries.

Quality control and regulatory compliance are critical for CAS No. 4858-85-9. Manufacturers adhere to stringent guidelines, such as ISO 9001 and REACH, ensuring safety and consistency. Users often search for “2,3-Dichloropyrazine suppliers” and “technical specifications,” emphasizing the need for transparent data sheets and certifications. Storage recommendations typically include cool, dry conditions in airtight containers to prevent degradation.

Emerging trends highlight the compound’s potential in catalysis and nanotechnology. For instance, its integration into metal-organic frameworks (MOFs) for gas storage applications is a hot research topic. Furthermore, the rise of computational chemistry tools has enabled predictive modeling of 2,3-Dichloropyrazine reactivity, addressing queries like “How to optimize pyrazine reactions?” with AI-assisted insights.

In conclusion, 2,3-Dichloropyrazine (CAS No. 4858-85-9) remains a cornerstone in modern chemistry, bridging gaps between academia and industry. Its multifaceted applications—from life sciences to advanced materials—underscore its enduring relevance. As sustainability and innovation drive chemical research, this compound will likely continue to inspire breakthroughs, making it a focal point for professionals and enthusiasts alike.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:4858-85-9)2,3-Dichloropyrazine
sfd4145
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
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