Lot numbers can be found on the outside label of a product:
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Structure of 138-84-1
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Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standardsThese Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
4-Aminobenzoic acid (potassium) serves as a stable, water-soluble precursor for the synthesis of pharmaceutically relevant benzamide derivatives and heterocyclic scaffolds. Its amine and carboxylate functionalities enable straightforward coupling reactions and salt metathesis, facilitating integration into multi-step synthetic sequences. The potassium salt enhances solubility and handling in aqueous or polar organic media, supporting efficient purification and consistent reactivity across bench-scale applications.
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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: