Hexynoic acid STP ester

Cat. # Quantity Price Lead time
569-25mg 25 mg $95.00 in stock
569-100mg 100 mg $185.00 in stock
569-500mg 500 mg $850.00 in stock

Alkyne activated ester for the labeling of amine groups in proteins, peptides and other molecules bearing aliphatic amine functional groups.

Sulfotetrafluorophenyl (STP) esters are excellent alternatives to conventional N-hydroxysuccinimide (NHS) esters. Compared to NHS esters, STP esters provide better ratio of labeling to hydrolysis in aqueous environments.

Hexynoic acid fragment is a short linker with amine. For longer amine linkers, consider using Alkyne-PEG activated esters.

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General properties

Appearance: white solid
Mass spec M+ increment: 94.04
Molecular weight: 362.23
Molecular formula: C12H7F4O5SNa
IUPAC name: Sodium 4-(hex-5-ynoyloxy)-2,3,5,6-tetrafluorophenylsulfonate
Solubility: good in water, DMF, DMSO
Quality control: NMR 1H, HPLC-MS (95%)
Storage conditions: Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
MSDS: Download
Product specifications
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