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Structure of 99-50-3
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Chromatographically purified to 99.5% purity, 3,4-Dihydroxybenzoic acid (CAS 99-50-3) exhibits defined anionic redox behavior and serves as a validated standard in phenolic acid quantification across HPLC workflows.
3,4-Dihydroxybenzoic acid (CAS 99-50-3) serves as a critical reference standard in the quantitative analysis of phenolic compounds within herbal medicinal products. It enables precise chromatographic calibration and peak identification. This ensures accurate assessment of bioactive constituents across diverse botanical extracts.
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H315-H319-H335
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Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501
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Lot numbers can be found on the outside label of a product: