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Z116408

Sigma-Aldrich

Double-ended needle

gauge 12, L 18 in.

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packaging

pack of 6 ea

manufacturer/tradename

Cadence Science

L

18 in.

gauge

12

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General description

304 SS. One noncoring tip, one flat-cut end.

Application

Double-ended needle has been used in the transfer of solution betweentwo flasks. It has also been used in a sequence alkylation reaction.

Regulatory Information

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Dehydroalanine-containing peptides: preparation from phenylselenocysteine and utility in convergent ligation strategies
Matthew R, et al.
Nature Protocols, 3001?3010-3001?3010 (2006)
Ramón Guzmán-Mejía et al.
Nature protocols, 2(11), 2759-2766 (2007-11-17)
The use of microwave (MW) irradiation for the condensation reaction between acetophenone and alpha-phenylethylamine to prepare (R,R)-bis[alpha-phenylethyl]amine results in significantly reduced reaction times relative to the use of conventional heating. In this protocol, a secondary amine, (R,R)-bis(alpha-phenylethyl)amine is treated with

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