Biotech Solvents

Biotech solvents are characterized by low water content, minimal residue and clean UV spectra. They are purified for biotechnology applications such as peptide synthesis, oligonucleotide synthesis and protein sequencing. Sigma-Aldrich Biotech solvents are available in Sure/Seal bottles and Pure-Pac containers.

Product #

Product Name

Purity

Grade

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494437 Methanol suitable for protein sequencing, BioReagent, ≥99.93% 99.93 BioReagent
494496 1-Methyl-2-pyrrolidinone biotech. grade, ≥99.5% 99.5 Biotechnology
494445 Acetonitrile biotech. grade, ≥99.93% 99.93 Biotechnology
496189 Chloroform biotech. grade, ≥99.8%, contains 0.5-1.0% ethanol as stabilizer 99.8 Biotechnology
494453 Dichloromethane biotech. grade, 99.9%, contains 50-150 ppm amylene as stabilizer 99.9 Biotechnology
494429 Dimethyl sulfoxide biotech. grade, 99.8% 99.8 Biotechnology
494518 Ethyl acetate biotech. grade, ≥99.8% 99.8 Biotechnology
494526 Heptane biotech. grade, ≥99% 99 Biotechnology
496219 N,N-Diisopropylethylamine 99.5%, biotech. grade 99.5 Biotechnology
494488 N,N-Dimethylformamide biotech. grade, ≥99.9% 99.9 Biotechnology
494410 Pyridine biotech. grade, ≥99.9% 99.9 Biotechnology
555355 Cap B (80% THF, 10% Pyridine, 10% 1-Methylimidazole)    
555347 Cap Mix A (90% Tetrahydrofuran, 10% Acetic anhydride)    
555312 Cap Mix A, (80% Tetrahydrofuran, 10% Acetic Anhydride, 10% 2,6-Lutidine)    
555339 Cap Mix A, (80% Tetrahydrofuran, 10% Acetic Anhydride, 10% Pyridine)    
561932 Deblock trichloroacetic acid solution 3 % (w/v) in methylene chloride    
299537 Trifluoroacetic acid ≥99%, purified by redistillation, for protein sequencing 99