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8.55068 EMD Millipore

Hydroxymethyl polystyrene (100-200 mesh), 1% DVB

Novabiochem®

Synonym: Polystyrene-CH2OH (100-200 mesh)

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Properties

brand family   Novabiochem
packaging   100 g in Plastic bottle (8550680100)
  25 g in Plastic bottle (8550680025)
  5 g in Glass bottle (8550680005)
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Colour (visual): white to yellow to beige
  Appearance of substance (visual): beads
  Loading (determined from the substitution of the Fmoc-Leu loaded resin): 0.60 - 1.60 mmol/g
  Swelling Volume (in DMF): lot specific result
  The polymer matrix is copoly (styrene - 1% DVB) 100 -200 mesh

Description

Background information

This resin is ideal for the solid phase immobilization of carboxylic acids. Less cross-linking is observed than with Merrifield resin during the attachment of diacids [1]. Reaction with a suitable phosgene equivalent converts this resin to a support suitable for the immobilization of amines [2].

Release of carboxylic acids from this support is normally effected by treatment of the resin with HF or TFMSA, or by hydrogenolysis [3]. Alcohols can be liberated by reduction with DIBAL [4] or LiBH4 [5]. Methyl esters can be produced by transesterification with MeONa [6] or Ti(OEt)4/C2H5CO2Me [7]. Carboxamides are also accessible via Lewis acid catalyzed aminolysis [8].

The product number for this product was previously 01-64-0110.

To obtain a certificate of analysis (CoA) of a lot that begins with the letter "A", please select the option in the right hand menu "Request a COA for Lot#s starting with A".

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Safety & Documentation

Safety Information

HS Code 
3903 90 90
Storage class 
10 - 13 Other liquids and solids
WGK 
WGK 1 slightly water endangering
Protocols & Articles
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