1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid(CAS#952182-02-4)
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36 - Irritating to the eyes |
| Safety Description | 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
Introduction
1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid is an organic compound with the chemical formula C9H6N2O2. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid is a solid. It has a white or off-white crystalline powder shape. The compound has low solubility in water and is soluble in organic solvents such as ethanol and dimethyl sulfoxide. Its melting point is about 270-273 degrees Celsius.
Use:
1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid has certain application value in the field of medicine. It is an important drug intermediate, which is widely used in the synthesis of antibiotics, antibacterial drugs and antiviral drugs.
Preparation Method:
A commonly used method for preparing 1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid is to react with sodium pyrazole as a raw material in the presence of methyl iodide. The specific reaction conditions can be adjusted and optimized according to actual needs.
Safety Information:
The safety of 1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid has not been specifically evaluated. During handling and use, follow laboratory safety practices and wear appropriate protective equipment. Avoid contact with skin, eyes and respiratory tract. If you come into contact with this substance, rinse immediately with plenty of water and seek medical advice.
Application
1H-Pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 952182-02-4) is a functionalized heterocyclic building block featuring a fused pyrazole-pyridine core with a carboxylic acid group at the 5-position. This scaffold serves as a purine bioisostere and is widely used in medicinal chemistry for the development of kinase inhibitors targeting Janus kinases (JAK), Bruton’s tyrosine kinase (BTK), cyclin-dependent kinases (CDK), and other therapeutic targets for cancer, inflammatory diseases, and autoimmune disorders. The carboxylic acid allows amide bond formation with amines or conjugation with alcohols, facilitating the construction of diverse drug-like libraries. Its rigid, planar structure enhances target binding affinity and selectivity. The compound is also utilized in agrochemical research and as a precursor for functionalized heterocycles. High purity ensures reproducible results in high-throughput screening and SAR studies. Xinchem offers custom synthesis, custom chemical synthesis, and contract manufacturing of this key intermediate with flexible scaling from R&D to commercial tons. Contact us today for a competitive quote and reliable global supply.

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