Lot numbers can be found on the outside label of a product:
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Structure of 135-77-3
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t-Butoxycarbonyl-PEG4-sulfonic acid is a PEG linker containing a t-butyl protecting group and sulfonic acid moiety. t-bytl can be removed under acidic conditions. Sulfonic acid groups can participate in esterification, halogenation and replacement reactions. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media.
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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: