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Structure of 1867157-28-5
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This pyrazole carboxylic acid features a sterically constrained cyclopropyl group and a methyl substituent at the 3- and 4-positions, respectively, enhancing metabolic stability. The electron-deficient pyrazole core enables efficient coupling in synthetic transformations, while the carboxylic acid functionality facilitates derivatization and conjugation under standard conditions.
3-Cyclopropyl-4-methyl-1H-pyrazole-5-carboxylic acid serves as a versatile heterocyclic building block for medicinal chemistry and process development. Its pyrazole core exhibits robust bench stability and tolerates a range of functional groups, enabling direct derivatization via amide formation, esterification, or decarboxylation. The carboxylic acid functionality facilitates conjugation in peptide coupling protocols and supports integration into API scaffolds through standard synthetic transformations.
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GHS Pictogram :
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GHS No : GHS06
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Signal Word : Danger
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UN#: 2811
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Class : 6.1
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Packing Group : Ⅲ
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Hazard Statements : H301
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Precautionary Statements : P264-P270-P330-P405-P501
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Lot numbers can be found on the outside label of a product: