Description

5-Chloro-2,3-Diphenylpyrazine (CAS No. 41270-66-0) is a high-purity heterocyclic organic compound with the molecular formula C₁₆H₁₁ClN₂. This pyrazine derivative features a chloro-substituted ring system flanked by two phenyl groups, offering unique reactivity and structural versatility for synthetic applications. Our product is rigorously tested to ensure ≥95% purity (HPLC) and is supplied as a crystalline solid with excellent batch-to-batch consistency. Ideal for pharmaceutical intermediates, materials science research, and coordination chemistry studies. Available in convenient packaging options from milligrams to kilogram quantities with full analytical documentation (COA, MSDS, NMR/HPLC data).

Properties

• CAS Number: 41270-66-0
• Complexity: 272
• IUPAC Name: 5-chloro-2,3-diphenyl-pyrazine
• InChI: InChI=1S/C16H11ClN2/c17-14-11-18-15(12-7-3-1-4-8-12)16(19-14)13-9-5-2-6-10-13/h1-11H
• InChI Key: VUGNCPVAXWZTOL-UHFFFAOYSA-N
• Exact Mass: 266.0610761
• Molecular Formula: C16H11ClN2
• Molecular Weight: 266.72
• SMILES: C1=CC=C(C=C1)C2=NC=C(N=C2C3=CC=CC=C3)Cl
• Topological: 25.8
• Monoisotopic Mass: 266.0610761
• Synonyms: 5-chloro-2,3-diphenylpyrazine, 41270-66-0, DTXSID40394713, DTXCID90345573, 813-797-2, 2-Chloro-5,6-diphenylpyrazine, 2,3-diphenyl-5-chloropyrazine, MFCD00234892, Y4ER9ZW4YD, SCHEMBL383762, CHEMBL5426150, VUGNCPVAXWZTOL-UHFFFAOYSA-N, BCP14488, CS-M3068, RBA27066, Pyrazine, 5-chloro-2,3-diphenyl-, AKOS016011827, DS-7038, 5-Chloro-2 pound not3-diphenylpyrazine, AC-29196, SY055821, C3205, AC-907/25005304

Application

5-Chloro-2,3-Diphenylpyrazine serves as a key building block in medicinal chemistry for developing kinase inhibitors and antimicrobial agents. The compound’s rigid aromatic structure makes it valuable in OLED material research as an electron-transport moiety. Researchers utilize its reactive chlorine substituent for palladium-catalyzed cross-coupling reactions in complex molecule synthesis.

Safety and Hazards

GHS Hazard Statements

• H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
• H314 (25%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H315 (75%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (75%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
• H360 (50%): May damage fertility or the unborn child [Danger Reproductive toxicity]

Precautionary Statements

• P203, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P318, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (50%)
• Skin Corr. 1B (25%)
• Skin Irrit. 2 (75%)
• Eye Irrit. 2A (100%)
• STOT SE 3 (75%)
• Repr. 1B (50%)

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