Description

5,6-Dichloronicotinic acid (CAS No. 41667-95-2) is a high-purity chlorinated nicotinic acid derivative with the molecular formula C₆H₃Cl₂NO₂. This fine chemical is an essential intermediate in pharmaceutical synthesis, agrochemical development, and advanced material research. Its unique structure, featuring dichloro substitution on the pyridine ring, makes it a valuable building block for heterocyclic compounds. Available in purities ≥98% (HPLC), our product is rigorously tested to ensure consistency and performance in sensitive applications. Proper handling precautions are recommended due to its reactive carboxylic acid and halogen functionalities. Packaged under inert atmosphere to maximize shelf life and stability.

Properties

• CAS Number: 41667-95-2
• Complexity: 165
• IUPAC Name: 5,6-dichloropyridine-3-carboxylic acid
• InChI: InChI=1S/C6H3Cl2NO2/c7-4-1-3(6(10)11)2-9-5(4)8/h1-2H,(H,10,11)
• InChI Key: RNRLTTNKVLFZJS-UHFFFAOYSA-N
• Exact Mass: 190.9540837
• Molecular Formula: C6H3Cl2NO2
• Molecular Weight: 192.00
• SMILES: C1=C(C=NC(=C1Cl)Cl)C(=O)O
• Topological: 50.2
• Monoisotopic Mass: 190.9540837
• Synonyms: 5,6-Dichloronicotinic acid, 41667-95-2, DTXSID20289779, DTXCID60240925, inchi=1/c6h3cl2no2/c7-4-1-3(6(10)11)2-9-5(4)8/h1-2h,(h,10,11, rnrlttnkvlfzjs-uhfffaoysa-n, 5,6-Dichloropyridine-3-carboxylic acid, 5,6-Dichloro-3-pyridinecarboxylic Acid, MFCD00075181, 5,6-Dichloronicotinicacid, 3-PYRIDINECARBOXYLIC ACID, 5,6-DICHLORO-, 2,3-dichloro-5-carboxypyridine, 5,6-Dichloro-nicotinic acid, NSC-63885, 5,6-Dichloropyridine-3-carboxylicacid, 5,6-Dichloro nicotinic acid, 2,3-DICHLOROPYRIDINE-5-CARBOXYLIC ACID, NSC63885, NJ6BKW4XSW, 5,6 dichloronicotinic acid, 5.6-dichloronicotinic acid, SCHEMBL232290, 2-Chloro-5-carboxychloropyridine, CL0206, NSC 63885, SBB003623, AKOS000120387, AC-1061, CS-W007398, FD57268, HY-W007398, PB29008, 5,6 dichloropyridine-3-carboxylic acid, NCGC00329091-01, ST088548, SY007303, DB-029036, D2401, NS00003791, EN300-20274, 5,6-Dichloropyridine-3-carboxylic acid, 96%, AB01323147-02, 12X-0700, 5,6-Dichloronicotinic acid, purum, >=98.0% (HPLC), F0001-1167, Z104477552

5,6-Dichloronicotinic acid serves as a key precursor in the synthesis of bioactive molecules, particularly in developing nicotinic acid receptor modulators. Researchers utilize this compound in medicinal chemistry for structure-activity relationship studies of chlorinated heterocycles. It finds application in crop protection chemical development due to its herbicidal intermediate potential. The dichloro-substituted pyridine core enables diverse functionalization for specialty chemical synthesis.

Safety and Hazards

GHS Hazard Statements

• H315 (98.4%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (98.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (96.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

• Skin Irrit. 2 (98.4%)
• Eye Irrit. 2A (98.4%)
• STOT SE 3 (96.9%)

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