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Displaying 2901-2950 of 12116 results.
Sigma Cat.No.Description
42598Pullulan Standard
certified reference material, suitable for gel permeation chromatography (GPC), certified according to DIN, 22,000
42612Honokiol
analytical standard
426288Tetrabutylammonium bromide
ACS reagent, ≥98.0%
426296Tetramethylammonium bromide
ACS reagent, ≥98.0%
42630[10]-Gingerol
analytical standard
426318Tetramethylammonium hydroxide solution
ACS reagent
42632Carvacrol
analytical standard
42637Nickel Standard for IC
TraceCERT®, 1000 mg/L (Ni2+ in nitric acid (nominal concentration))
42643(−)-Huperzine A
analytical standard
426466Methylamine solution
40 wt. % in H2O
426812-Phenylethylamine hydrochloride
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
42754Ginsenoside Rk1
analytical standard
427608Benzoic acid
purified by sublimation, ≥99%
4283612,7,12,17-Tetra-tert-butyl-5,10,15,20-tetraaza-21H,23H-porphine
Dye content 85 %
428590AmberChrom 1X4 chloride form
chloride form, 100-200 mesh
428604AmberChrom 1X4 chloride form
200-400 mesh, Anion Exchange Resin
428612AmberChrom 1X4 chloride form
20-50 mesh, Anion Exchange Resin
428663AmberChrom 50WX4 hydrogen form
hydrogen form, 50-100 mesh
428698AmberSep® (formerly Dowex) Retardion 11A8
50-100 mesh
428736AmberLite MB20 Mixed Ion Exchange Resin
42875HybriScanI Megasphaera
suitable for environmental, microbiology, suitable for microbe id | in situ hybriziation
428787AmberLite HPR2900 H hydrogen form
hydrogen form
42926Daidzin
analytical standard
42944Diphenyl diselenide
purum, ≥97.0% (GC)
429546Propionaldehyde-2,4-dinitrophenylhydrazone
analytical standard
429554Acetaldehyde-2,4-dinitrophenylhydrazone
analytical standard
42981Legionella Growth Supplement (Twin Pack)
suitable for microbiology
42991Tin Standard for ICP
TraceCERT®, 10 g/L Sn in nitric acid and hydrofluoric acid (nominal concentration)
42992Magnesium Standard for AAS
TraceCERT®, 1 g/L Mg in nitric acid (nominal concentration)
42993Theobromine
analytical standard
43011L-Histidine hydrochloride solution
100 mM amino acid in 0.1 M HCl, analytical standard
43016Ginsenoside Rg5
analytical standard
430291,3-Diphenylguanidine
analytical standard (for titrimetry)
43034Bisphenol S
analytical standard
43051Palmitic acid
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
43057Succinate Standard for IC
TraceCERT®, 1000 mg/L succinate in water (nominal concentration)
43073Paracetamol β-D-glucuronide
analytical standard
430749Pyrocatechol
purified by sublimation, ≥99.5%
431400Phosphomolybdic acid hydrate
≥99.99% trace metals basis
431419Phosphorus pentoxide
≥99.99% trace metals basis
43147Bromide Standard for IC
TraceCERT®, 1000 mg/L bromide in water (nominal concentration)
43149Iron Standard for ICP
TraceCERT®, 1 g/L Fe in nitric acid (nominal concentration)
43173Tryptone salt diluent tablets
suitable for microbiology, NutriSelect® Basic
43191Asiaticoside
analytical standard
43207Sudan Orange G
analytical standard
43216Dodecamethylcyclohexasiloxane
analytical standard
43217Decamethylcyclopentasiloxane
analytical standard
432202Rhodamine 110 chloride
Dye content ≥75 %
432362-Ethyl-3,5(6)-dimethylpyrazine, mixture of isomers
analytical standard
43293Tebuconazole-(trimethyl-13C3)
PESTANAL®, analytical standard

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