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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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496 – 510 of 23,217 results
496

Valeric acid, ≥99.8% (GC), MilliporeSigma™ Supelco™

Boiling Point 110°C to 111°C (10 mmHg); 185°C
Linear Formula CH3(CH2)3 COOH
Physical Form Neat
Grade Analytical Standard
Ignition Point 707°F
Density 0.939 g/mL (at 25°C)
Vapor Density 3.5 (vs. air)
Vapor Pressure 0.15 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥99.8% (GC)
CAS 109-52-4
MDL Number MFCD00004413
Flash Point 96°C
Synonym n-Valeric acid; Pentanoic acid
RTECS Number YV6100000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 102.13
Melting Point -20°C to -18°C
497

phyproof™ Panaxatriol, ≥98% (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

500

PESTANAL™ Mefenpyr-diethyl, MilliporeSigma™ Supelco™

Mefenpyr-diethyl is a herbicide safener, used for post emergence control of selective grass weeds affecting crops such as wheat, rye and spring barley.

504

phyproof™ Yohimbine hydrochloride, ≥98% (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

507

2,4-Diaminoanisole, MilliporeSigma™ Supelco™

2,4-Diaminoanisole belongs to the class of primary aromatic amines (PAAs). It is categorized as a carcinogenic compound.

508

PESTANAL™ Oxyfluorfen, MilliporeSigma™ Supelco™

Oxyfluorfen is a diphenyl-ether herbicide, which can be commonly used in vineyards for weed control management. It can block the chlorophyll biosynthesis in plants by inhibiting protoporphyrinogen oxidase enzyme