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Structure of 873798-09-5
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Cresol Red sodium salt acts as a constituent of polymerase chain reaction reagent systems. It is useful as a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8. Further, it plays an important role in molecular biology reactions in place of other loading dyes.
2-(3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate serves as a robust amidation reagent, enabling efficient amide bond formation under mild conditions. Its triazolopyridine-activated urea structure provides enhanced electrophilicity and stability compared to conventional HBTU-type reagents. The tetrafluoroborate counterion ensures good solubility in organic solvents and facilitates clean reaction work-up. This reagent functions effectively in peptide synthesis and functionalization of complex heterocycles, offering reliable yields and high purity with minimal racemization.
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GHS Pictogram :
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GHS No : GHS02,GHS07
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Signal Word : Danger
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UN#: 1325
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Class : 4.1
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Packing Group : Ⅱ
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Hazard Statements : H228-H315-H319-H335
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Precautionary Statements : P210-P240-P261-P264-P271-P280-P302+P352-P304+P340-P362-P370+P378-P501
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Lot numbers can be found on the outside label of a product: