402-61-9
1H-Pyrazole-3-carboxylicacid, 5-methyl-
CAS: 402-61-9;696-22-0
Molecular Formula: C5H6N2O2
402-61-9 - Names and Identifiers
402-61-9 - Physico-chemical Properties
| Molecular Formula | C5H6N2O2 |
| Molar Mass | 126.11 |
| Density | 1.404 g/cm3 |
| Melting Point | 236-240℃ |
| Boling Point | 388.8 °C at 760 mmHg |
| Flash Point | 188.9 °C |
| Vapor Presure | 9.69E-07mmHg at 25°C |
| Storage Condition | 2-8°C |
| Refractive Index | 1.595 |
402-61-9 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
402-61-9 - Introduction
It is an organic compound with the chemical formula C5H5N2O2. It is typically a colorless to pale yellow crystalline solid.
The compound has two functional groups, one is a pyrazole ring and the other is a carboxylic acid functional group. It has moderate solubility and is soluble in water and common organic solvents. The methyl group in its structure makes it hydrophobic.
As a heterocyclic compound, 5-methyl-has a variety of biological activities. It is widely used in pharmaceutical research and drug synthesis, often as a raw material or intermediate. Specific applications include the synthesis of vitamin B1 analogs, insecticides, plavix inhibitors (a compound used to inhibit plant growth), and the like.
Preparation, 5-methyl-can be obtained by reacting the nitrogen atom of the pyrazole ring with a methylating agent (e. g. methyl iodide). This method is carried out by an N-methylation reaction, the common method being the reaction of the corresponding nucleophile with an N-methyl reagent.
The compound has two functional groups, one is a pyrazole ring and the other is a carboxylic acid functional group. It has moderate solubility and is soluble in water and common organic solvents. The methyl group in its structure makes it hydrophobic.
As a heterocyclic compound, 5-methyl-has a variety of biological activities. It is widely used in pharmaceutical research and drug synthesis, often as a raw material or intermediate. Specific applications include the synthesis of vitamin B1 analogs, insecticides, plavix inhibitors (a compound used to inhibit plant growth), and the like.
Preparation, 5-methyl-can be obtained by reacting the nitrogen atom of the pyrazole ring with a methylating agent (e. g. methyl iodide). This method is carried out by an N-methylation reaction, the common method being the reaction of the corresponding nucleophile with an N-methyl reagent.
Last Update：2024-04-09 02:00:45
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