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Atomfair 2,6-Dichloropyrimidine C4H2Cl2N2 CAS 3934-20-1

2,6-Dichloropyrimidine (CAS: 3934-20-1) is a high-purity heterocyclic organic compound with the molecular formula C4H2Cl2N2, widely utilized in pharmaceutical and agrochemical research. This crystalline solid serves as a versatile building block for synthesizing pyrimidine derivatives, offering excellent reactivity for nucleophilic substitution reactions. With a molecular weight of 148.98 g/mol and a purity of ≥98%, it is ideal for coupling reactions, cross-coupling catalysis, and medicinal chemistry applications. Proper storage under inert conditions ensures stability and longevity. Suitable for researchers requiring precise intermediates for drug discovery, material science, and specialty chemical development.

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Description

2,6-Dichloropyrimidine (CAS: 3934-20-1) is a high-purity heterocyclic organic compound with the molecular formula C4H2Cl2N2, widely utilized in pharmaceutical and agrochemical research. This crystalline solid serves as a versatile building block for synthesizing pyrimidine derivatives, offering excellent reactivity for nucleophilic substitution reactions. With a molecular weight of 148.98 g/mol and a purity of ≥98%, it is ideal for coupling reactions, cross-coupling catalysis, and medicinal chemistry applications. Proper storage under inert conditions ensures stability and longevity. Suitable for researchers requiring precise intermediates for drug discovery, material science, and specialty chemical development.

Properties

  • CAS Number: 3934-20-1
  • Complexity: 78.4
  • IUPAC Name: 2,4-dichloropyrimidine
  • InChI: InChI=1S/C4H2Cl2N2/c5-3-1-2-7-4(6)8-3/h1-2H
  • InChI Key: BTTNYQZNBZNDOR-UHFFFAOYSA-N
  • Exact Mass: 147.9595035
  • Molecular Formula: C4H2Cl2N2
  • Molecular Weight: 148.98
  • SMILES: C1=CN=C(N=C1Cl)Cl
  • Topological: 25.8
  • Monoisotopic Mass: 147.9595035
  • Synonyms: 2,4-Dichloropyrimidine, 3934-20-1, 2,6-Dichloropyrimidine, Pyrimidine, 2,4-dichloro-, NSC 20212, YV96122OCD, DTXSID9049293, EINECS 223-508-6, NSC 37531, NSC 49119, NSC-20212, NSC-37531, NSC-49119, Pyrimidine,2,4-dichloro-, 2-CHLOROPYRIMIDIN-4-YL CHLORIDE, AI3-26561, DTXCID4029149, 223-508-6, 2,4-Dichloro-pyrimidine, 2,4-dichlorpyrimidin, MFCD00006061, Pyrimidine,4-dichloro-, 2,4-dichloro pyrimidine, 2,4dichloropyrimidine, 2,4 dichlorpyrimidine, 2,4-dichloropyrimidin, 2,4-dichloropyrmidine, 2,4-dichlorpyrimidine, Pazopanib Intermediates, 2,4-Dicloropyrimidine, 2,4 dichloropyrimidine, 2.4-dichloropyrimidine, 2,4-dichloro-pyrmidine, 2, 4-dichloropyrimidine, 2,4 dichloro pyrimidine, 2,4- dichloropyrimidine, 2,4-di-chloropyrimidine, 2,4-dichloropyri-midine, UNII-YV96122OCD, SCHEMBL63023, SCHEMBL792018, 2,4-Dichloropyrimidine, 98%, SCHEMBL1374067, CHEMBL3188699, ALBB-006256, BCP27299, CS-B0776, NSC20212, NSC37531, NSC49119, Tox21_202830, SBB048117, STK503789, AKOS000280292, AB00576, AC-2499, FD03383, PS-5432, NCGC00260376-01, BP-12063, SY001677, CAS-3934-20-1, DB-005858, D2310, NS00030565, ST50946655, EN300-18947, Z99601188, F0001-1106, InChI=1/C4H2Cl2N2/c5-3-1-2-7-4(6)8-3/h1-2

Application

2,6-Dichloropyrimidine is a key intermediate in the synthesis of active pharmaceutical ingredients (APIs) and agrochemicals. It is commonly employed in Suzuki-Miyaura and Buchwald-Hartwig cross-coupling reactions to construct complex heterocyclic scaffolds. Researchers also use it to develop nucleoside analogs, kinase inhibitors, and antiviral agents. Its reactivity makes it valuable for modifying pyrimidine cores in drug discovery pipelines.

Safety and Hazards

GHS Hazard Statements

  • H315 (93.5%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H317 (10.8%): May cause an allergic skin reaction [Warning Sensitization, Skin]
  • H319 (92.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (90.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P272, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P333+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Skin Irrit. 2 (93.5%)
  • Skin Sens. 1 (10.8%)
  • Eye Irrit. 2 (92.5%)
  • STOT SE 3 (90.3%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

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  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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