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.

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).

Greatly extends the practical range of GC, improving chromatographic results in the silylation of sugars and related substances.

A sequencing-grade preparation with high purity and consistent absorptivity properties for use in HPLC and mass spectrometry methods.

CAS: 12125-02-9 Molecular Formula: ClH4N Molecular Weight (g/mol): 53.489 InChI Key: NLXLAEXVIDQMFP-UHFFFAOYSA-N PubChem CID: 25517 ChEBI: CHEBI:31206 IUPAC Name: azanium;chloride SMILES: [NH4+].[Cl-]

Study protein expression by quantitative mass spectrometry using amine-labeling compounds of equal total mass (isobaric) but different reporter ions.

CAS: 497-19-8

Thermo Scientific™ Pierce™ Trifluoroacetic Acid (TFA), Sequencing grade is manufactured and tested to meet strict specifications that ensure superior performance for use as an ion-pairing agent in reverse-phase peptide separations.

Ideal for difficult-to-silylate compounds, the Thermo Scientific™ BSTFA + 1% TMCS Silylation Reagent is derivatizing compounds.

Use specially manufactured and packaged Thermo Scientific™ Silylation Grade Solvents to meet the exacting needs of silylation and other sensitive derivatization reactions.

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.

Offer maximum volatility with the Thermo Scientific™ MSTFA and MSTFA + 1% TMCS Silylation Reagent.

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

CAS: 7440-24-6 Molecular Formula: Sr Molecular Weight (g/mol): 87.62 InChI Key: CIOAGBVUUVVLOB-UHFFFAOYSA-N PubChem CID: 5359327 ChEBI: CHEBI:33324 IUPAC Name: strontium SMILES: [Sr]

Molecular Formula: OOC(CHOH)₂COO₂-

CAS: 14797-55-8 Molecular Formula: NO3- Molecular Weight (g/mol): 62.004 InChI Key: NHNBFGGVMKEFGY-UHFFFAOYSA-N PubChem CID: 943 ChEBI: CHEBI:17632 IUPAC Name: nitrate SMILES: [N+](=O)([O-])[O-]

Prepare volatile and stable fluoracyl derivatives for GC/MS with the Thermo Scientific™ Perfluoro Acid Anhydrides (TFAA, PFAA and HFAA).

Molecular Formula: NO₂-F(N)

Molecular Formula: NH₄+

Perform multiplexed characterization and quantitation of carbonyl-containing biomolecules by mass spectrometry (MS) with these carbonyl-reactive reagents.

Trifluoroacylate primary and secondary amines, hydroxyl and thiol groups, and carbohydrates with the Thermo Scientific™ MBTFA Acylation Reagent.

Derivatize hydroxyls compounds, particularly carbohydrates with Thermo Scientific™ Tri-Sil TP (TMSI:Pyridine) Reagent.

Obtain excellent GC separations with Thermo Scientific™ BSTFA Silylation Reagent.