1-Methyl-1H-pyrazole-3-carboxylic acid(CAS: 25016-20-0)

1-Methyl-1H-pyrazole-3-carboxylic acid is a heterocyclic carboxylic acid with the CAS number 25016-20-0. It consists of a pyrazole ring with a methyl group and a carboxylic acid group attached. This compound is colorless or white crystalline solid with a pungent odor. It is soluble in water and has a melting point of 203-204°C. It is commonly used in pharmaceuticals, research, and as an intermediate in organic synthesis.

1-Methyl-1H-pyrazole-3-carboxylic acid is primarily used as a pharmaceutical intermediate, particularly in the synthesis of antiviral and anticancer drugs. It is also utilized as a research reagent in organic synthesis and as a precursor in the development of new compounds. Additionally, it has potential applications in the food industry as a flavor enhancer and in the cosmetic industry for its antioxidant properties.

1-Methyl-1H-pyrazole-3-carboxylic acid is generally safe when handled properly. However, it is corrosive to skin and eyes, and prolonged exposure may cause irritation. Protective measures include wearing gloves, goggles, and appropriate laboratory clothing. It should be used in a well-ventilated area, and any spills should be cleaned up immediately. Ingestion or inhalation should be avoided, and proper disposal methods should be followed to ensure environmental safety.

1-Methyl-1H-pyrazole-3-carboxylic acid should be stored in a tightly sealed container to prevent moisture absorption. It should be kept in a cool, dry place away from direct sunlight and heat sources. The storage temperature should not exceed 25°C, and the relative humidity should be maintained below 60%. It is important to avoid exposure to strong acids, bases, and oxidizing agents to prevent degradation or harmful reactions.