Thermo Scientific™ Pierce™ Trifluoroacetic Acid (TFA), LC-MS Grade

Bottles of 99.5%-pure TFA (MW 114.02, CAS 76-05-01) liquid (sold by weight); for HPLC use as an ion-pairing agent in reverse-phase peptide separations.

Dibutylammonium Acetate (ca. 0.5mol/L in Water) [Ion-Pair Reagent for LC-MS], TCI America™

Thermo Scientific™ Formic Acid, LC-MS Grade

A high-purity solvent supplied in glass ampules as a convenient, contamination-free alternative for preparing elution solvents for HPLC separations of protein and peptides.

1-Heptanesulfonic acid sodium salt monohydrate, ∽98%, MP Biomedicals™

Thermo Scientific™ Formic Acid, LC-MS Grade

A high-purity solvent supplied in glass ampules as a convenient, contamination-free alternative for preparing elution solvents for HPLC separations of protein and peptides.

Thermo Scientific™ Pierce™ Heptafluorobutyric Acid (HFBA), HPLC Grade

Bottles and ampules of 99.5%-pure HFBA (MW 214.04, CAS 375-22-4), valid for use as an ion-pairing agent in reverse-phase peptide separations (HPLC).

Thermo Scientific™ Pierce™ Heptafluorobutyric Acid (HFBA), Sequencing Grade

Bottles and ampules of 99.5%-pure HFBA (MW 214.04, CAS 375-22-4), valid for use as an ion-pairing agent in reverse-phase peptide separations (HPLC).

1-Pentanesulfonic acid sodium salt, monohydrate; 99.9%, For HPLC analysis, MP Biomedicals™