6-Chloro-5-methyl-2-pyridinecarboxylic acid

Name: 6-Chloro-5-methyl-2-pyridinecarboxylic acid
Brand: ChemScene
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CAS No. 1166828-13-2
Cat. No. CS-W019905
Purity≥95%
MDL No.MFCD13176716

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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6-Chloro-5-methyl-2-pyridinecarboxylic acid|CS-W019905

Structure of 1166828-13-2

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General Information

CAS No. 1166828-13-2
Cat. No. CS-W019905
Purity ≥95%
MDL No. MFCD13176716
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₆ClNO₂
Molecular Weight 171.58
Synonym(s) 6-Chloro-5-methylpyridine-2-carboxylic acid; 6-Chloro-5-methylpicolinic acid
SMILES O=C(O)C1=NC(Cl)=C(C)C=C1

Description

6-Chloro-5-methyl-2-pyridinecarboxylic acid features a chlorine atom at the 6-position and a methyl group at the 5-position, creating a sterically hindered, electron-deficient pyridine core. This configuration enhances its utility in pharmaceutical synthesis, particularly as a building block for bioactive heterocycles requiring precise substitution patterns. The carboxylic acid moiety enables direct coupling or derivatization under standard conditions.

Application

6-Chloro-5-methyl-2-pyridinecarboxylic acid serves as a versatile building block in medicinal chemistry, enabling the synthesis of bioactive heterocycles through standard coupling and functionalization reactions. Its well-defined reactivity profile supports direct derivatization at the carboxylic acid group, while the chlorine and methyl substituents provide orthogonal handles for cross-coupling and further substitution. The compound exhibits excellent bench stability and facilitates straightforward purification, making it suitable for scalable synthesis workflows in API development.

Synthesis

Route1
- 31283-69-9
- ~%
- In-stock
  
  1166828-13-2
References
- US2012/316147 A1, ; Page/Page column 39 ;
Route2
- In-stock
  
  4434-13-3
- ~%
- In-stock
  
  1166828-13-2
References
- US2012/316147 A1, ; WO2012/168350 A1, ; WO 2012/168350 A1

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Computational Chemistry Data

TPSA 50.19
LogP 1.74162
H_Acceptors 2
H_Donors 1
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Carboxylic Acid

Building Blocks Skeleton Aromatic heterocycle compounds Pyridine compounds

Key Words

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6-Chloro-5-methyl-2-pyridinecarboxylic acid

CAS No. 1166828-13-2

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