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Structure of 134978-97-5
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Zein is a prolamine and an alcohol soluble protein present in maize endosperm cells. Zein is a 20kDa structural protein and is encoded by the gene mapped on the short arm of maize chromosome 7. This protein lacks essential amino acids, such as lysine and tryptophan. Therefore, it has a poor nutritional value.Zein has been used as a biopolymer in electrospinning technique. It has also been used to blend starch involved in the manufacture of thermoplastic material.
H₂N-PEG₂-CH₂COOH serves as a versatile bifunctional linker for conjugation and polymer synthesis, combining the stability of a short PEG spacer with amine and carboxylic acid termini. The primary amine enables efficient coupling to activated esters or aldehydes, while the terminal carboxylic acid facilitates amide bond formation or further derivatization. Its balanced solubility and robustness under standard reaction conditions make it ideal for peptide modification, bioconjugation, and the construction of functionalized polymers in medicinal chemistry workflows.
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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 : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: