Alkyne-PEG2-carboxylic acid

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2155-1g 1 g $380 in stock
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Alkyne-PEG2-carboxylic acid is a bifunctional diethyleneglycol derivative bearing a carboxy group and an alkyne moiety. The former can be activated with peptide coupling reagents like PyBOP or carbodiimides like EDC to form a stable amide linkage with amines. The alkyne group can be coupled with azides in a CuAAC reaction.

PEGs are hydrophilic linkers useful in synthesizing water-soluble conjugates.

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FAM azide, 6-isomer

FAM (fluorescein) azide, 6-isomer is a commonly used fluorescent dye azide for сlick сhemistry.

General properties

Appearance: yellow oily liquid
Molecular weight: 216.23
CAS number: 1347760-82-0
Molecular formula: C10H16O5
Solubility: good in most organic solvents and water
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
MSDS: Download
Product specifications
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