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Sigma Cat.No.Description
14781XLD Agar ISO 6579-1:2017
NutriSelect® Plus, suitable for microbiology
14783Thiacloprid
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
14795N,N,N′,N′-Tetramethyl-1,8-naphthalenediamine
purum, ≥99.0% (NT)
14927Serotonin
analytical standard
149495-Methyl-1H-benzotriazole
analytical standard
150495Isopentyl nitrite
96%
151173Ninhydrin
ACS reagent
15136Bisphenol A bis(3-chloro-2-hydroxypropyl) ether
analytical standard
15137Bisphenol A bis(2,3-dihydroxypropyl) ether
analytical standard
15138Bisphenol A diglycidyl ether
analytical standard
15139Bisphenol F bis(3-chloro-2-hydroxypropyl) ether
qualitative standard, mixture of 3 isomers ortho-ortho, ortho-para, para-para
15156Bispyrazolone
for TLC derivatization, for the det.of cyanide, ≥98.0%
15180hemi-Calcium bis[4-(1,1,3,3-tetramethylbutyl)phenyl] phosphate
Selectophore, ≥97.0%
15209N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane
for GC derivatization, LiChropur, contains 10% TMCS, 98% (excluding TMCS)
15220Bis(trifluoromethane)sulfonimide
purum, ≥95.0% (19F-NMR)
15222N,O-Bis(trimethylsilyl)trifluoroacetamide
for GC derivatization, LiChropur, ≥99.0%
15230[Bis(trifluoroacetoxy)iodo]benzene
purum, ≥95.0% (AT)
15236N,O-Bis(trimethylsilyl)carbamate
≥98.0% (T)
15238N,O-Bis(trimethylsilyl)trifluoroacetamide with trimethylchlorosilane
for GC derivatization, LiChropur, contains 1% TMCS, 99% (excluding TMCS)
1524632-Methyl-2-butanol
ReagentPlus®, 99%
15256BSA+TMCS
for GC derivatization, LiChropur, 93.0-97.0% (GC)
15269N,O-Bis(trimethylsilyl)acetamide
for GC derivatization, LiChropur, ≥98.5% (GC)
15307Chloral hydrate
≥99%
15343Lead ionophore IV
Selectophore
15356Blotting-Nylon 66 membranes, type B, positive
for Northern and Southern blotting
15450Boc-Leu-OH hydrate
≥99.0% (HPLC)
15512Formaldehyde solution
meets analytical specification of USP, ≥34.5 wt. %
15522D-(+)-Galactose
meets analytical specification of Ph. Eur., BP
15527Glycine
meets analytical specification of Ph. Eur., BP, USP, 99-101% (based on anhydrous substance)
155837Tetrabutylammonium hydrogensulfate
97%
15598(−)-Borneol
analytical standard
15604Urea
puriss., meets analytical specification of Ph. Eur., BP, USP, 99.0-100.5%, 99.0-101.0% (calc. on dry substance)
15614Hexamethylenetetramine
meets analytical specification of Ph. Eur., BP, 99-100.5% (calc. to the dried substance)
156248Sodium ethoxide
95%
156256Sodium methoxide solution
25 wt. % in methanol
1562723,5-Dinitrobenzoyl chloride
≥96.5%
1564774-(Dimethylamino)benzaldehyde
ACS reagent, 99%
15678Boric anhydride
puriss. p.a., ≥98% (T)
15713Universal Food pathogen ID Membrane
suitable for microbiology, light pink colored, sterile, diameter 70 mm
15716Boron trifluoride-methanol solution
~10% (~1.3 M), for GC derivatization, LiChropur
15736Sodium nitrate
analytical standard
15747Silicon Standard for ICP
TraceCERT®, 1 g/L Si in NaOH (nominal concentration)
15758Davis Minimal Broth
without Dextrose, NutriSelect® Plus, suitable for microbiology
157767Sulfuryl chloride
97%
157775Phosphorus pentachloride
reagent grade, 95%
157791Phosphorus trichloride
ReagentPlus®, 99%
15785(−)-Menthol
puriss., meets analytical specification of Ph. Eur., BP, USP, 98.0-102.0%
15809Mettler-Toledo Calibration substance ME 30130597, p-Toluamide
traceable to primary standards (LGC)
158127Paraformaldehyde
powder, 95%
15821Klebsiella Selective Supplement
suitable for microbiology

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