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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
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2,326 – 2,340 of 23,182 results
2,326

Octanoyl-L-carnitine, ≥97.0% (HPLC), MilliporeSigma™ Supelco™

Type Analytical Standard
Percent Purity ≥97.0% (HPLC)
Linear Formula C15H29 NO4
CAS 25243-95-2
Grade Analytical Standard
Synonym (2 R)-3-Carboxy-N,N,N-trimethyl-2-[(1-oxooctyl)oxy]-1-propanaminium inner salt; L-Carnitine octanoyl ester; C8-Carnitine
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 287.40
2,327

LiChropur™ N-Methyl-N-(trimethylsilyl)trifluoroacetamide, 98.5%, MilliporeSigma™ Supelco™

N-Methyl-N-(trimethylsilyl)trifluoroacetamide (MSTFA) is a silylating reagent.

Boiling Point 130°C to 132°C
Linear Formula CF3 CON(CH3)Si(CH3)3
Grade GC Derivatization
Density 1.075 g/mL (at 25°C)
Vapor Density >1 (vs. air)
Vapor Pressure 8.8 mmHg (27°C)
Type Organic Standard
Percent Purity ≥98.5%
CAS 24589-78-4
MDL Number MFCD00000411
Flash Point 26°C - closed cup
Synonym N-Trimethylsilyl-N-methyl trifluoroacetamide; MSTFA
Recommended Storage 2°C to 8°C
Formula Weight 199.25
Product Line LiChropur
2,328

PESTANAL™ Dibutyl phthalate-3,4,5,6-d4, MilliporeSigma™ Supelco™

Dibutyl phthalate-3,4,5,6-d4 may be used as a standard solution in the determination of phthalic acid esters in soil, using gas chromatography coupled with mass spectrometry (GC/MS).

2,329

Palmitoyl-L-carnitine, ≥95.0% (HPLC), MilliporeSigma™ Supelco™

Type Analytical Standard
Percent Purity ≥95.0% (HPLC)
Linear Formula C23H45 NO4
CAS 2364-67-2
Grade Analytical Standard
Synonym (2 R)-3-Carboxy-N,N,N-trimethyl-2-[(1-oxohexadecyl)oxy]-1-propanaminium inner salt; L-Carnitine hexadecanoyl ester; C16-Carnitine; Hexadecanoyl-L-carnitine
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 399.61
2,332

PESTANAL™ Triticonazole, MilliporeSigma™ Supelco™

Triticonazole is a triazole fungicide primarily used for cereal seed treatment.

2,333

PESTANAL™ Prometryn, MilliporeSigma™ Supelco™

Prometryn belongs to the class of triazine herbicide compounds.

2,334

phyproof™ Quercitrin, ≥95% (HPLC), MilliporeSigma™ Supelco™

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

2,335

phyproof™ Hesperetin, ≥95% (HPLC), MilliporeSigma™ Supelco™

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

2,339

phyproof™ Guaiaverin, ≥95% (HPLC), MilliporeSigma™ Supelco™

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

2,340

PESTANAL™ Tefluthrin, MilliporeSigma™ Supelco™

Tefluthrin is a synthetic soil pyrethroid insecticide, which can be actively used against corn rootworms and cut worms. It can also be widely used to control a large variety of pests that affect maize and sugar beet crop.