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Atomfair 6-Chloro-4-methylpyridine-3-carboxylic acid C7H6ClNO2 CAS 503555-50-8

6-Chloro-4-methylpyridine-3-carboxylic acid (CAS No. 503555-50-8) is a high-purity heterocyclic carboxylic acid derivative with the molecular formula C7H6ClNO2. This compound features a chloro-substituted pyridine ring with a methyl group at the 4-position and a carboxylic acid moiety at the 3-position, making it a versatile building block for pharmaceutical and agrochemical synthesis. With a molecular weight of 171.58 g/mol, it is supplied as a white to off-white crystalline powder with ≥95% purity (HPLC). Ideal for researchers in medicinal chemistry, this intermediate is rigorously tested for impurities (≤0.5% by GC) and is packaged under inert gas to ensure stability. Available in quantities from…

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Description

6-Chloro-4-methylpyridine-3-carboxylic acid (CAS No. 503555-50-8) is a high-purity heterocyclic carboxylic acid derivative with the molecular formula C7H6ClNO2. This compound features a chloro-substituted pyridine ring with a methyl group at the 4-position and a carboxylic acid moiety at the 3-position, making it a versatile building block for pharmaceutical and agrochemical synthesis. With a molecular weight of 171.58 g/mol, it is supplied as a white to off-white crystalline powder with ≥95% purity (HPLC). Ideal for researchers in medicinal chemistry, this intermediate is rigorously tested for impurities (≤0.5% by GC) and is packaged under inert gas to ensure stability. Available in quantities from 1g to 1kg with customizable bulk options.

Properties

  • CAS Number: 503555-50-8
  • Complexity: 163
  • IUPAC Name: 6-chloro-4-methyl-pyridine-3-carboxylic acid
  • InChI: InChI=1S/C7H6ClNO2/c1-4-2-6(8)9-3-5(4)7(10)11/h2-3H,1H3,(H,10,11)
  • InChI Key: ZCLFIXIHOWGYDY-UHFFFAOYSA-N
  • Exact Mass: 171.0087061
  • Molecular Formula: C7H6ClNO2
  • Molecular Weight: 171.58
  • SMILES: CC1=CC(=NC=C1C(=O)O)Cl
  • Topological: 50.2
  • Monoisotopic Mass: 171.0087061
  • Synonyms: 503555-50-8, 6-Chloro-4-methylpyridine-3-carboxylic acid, DTXSID80624460, DTXCID50575213, 689-861-7, 6-Chloro-4-methylnicotinic acid, 6-Chloro-4-methyl-3-pyridinecarboxylic acid, 4-METHYL-6-CHLORONICOTINIC ACID, MFCD12755871, 2-CHLORO-4-METHYLPYRIDINE-5-CARBOXYLIC ACID, 6-Chloro-4-methyl-pyridine-3-carboxylic acid, 6-Chloro-4-methyl-3-pyridinecarboxylic acid;2-Chloro-4-methylpyridine-5-carboxylic acid, 3-PYRIDINECARBOXYLIC ACID, 6-CHLORO-4-METHYL-, 6-Chloro-4-methyl-3-pyridinecarboxylicacid, SCHEMBL3752864, ZCLFIXIHOWGYDY-UHFFFAOYSA-N, DVA55550, CS1635, AKOS015935052, AB65755, CS-W007037, PS-8685, SY022650, EN300-97674, Z1255416862, 6-Chloro-4-methylpyridine-3-carboxylic acid, 5-Carboxy-2-chloro-4-methylpyridine

Application

6-Chloro-4-methylpyridine-3-carboxylic acid serves as a key intermediate in the synthesis of biologically active compounds, particularly in the development of kinase inhibitors and antimicrobial agents. Its reactive carboxylic acid group enables facile derivatization for structure-activity relationship (SAR) studies in drug discovery. The compound is also utilized in material science for constructing functionalized pyridine-based ligands in coordination chemistry.

Safety and Hazards

GHS Hazard Statements

  • H301 (25%): Toxic if swallowed [Danger Acute toxicity, oral]
  • H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (25%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H315 (75%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (75%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (25%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (75%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

  • Acute Tox. 3 (25%)
  • Acute Tox. 4 (50%)
  • Acute Tox. 4 (25%)
  • Skin Irrit. 2 (75%)
  • Eye Irrit. 2A (75%)
  • Acute Tox. 4 (25%)
  • STOT SE 3 (75%)

If you are interested or have any questions, please contact us at support@atomfair.com

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

By purchasing, the buyer agrees to:

  • 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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