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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
Drug Standards (11,721)
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Pesticide Standards (546)
Petrochemical Standards (512)

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706 – 720 of 23,198 results
706

PESTANAL™ Leptophos, MilliporeSigma™ Supelco™

Leptophos, an organophosphorus insecticide found to be persistent in the environment, shows neurotoxic effects in humans. Its mode of action for pest control involves the inhibition of acetylcholinesterase enzyme activity.

709

(+)-Carvone, ≥98.5% (sum of enantiomers, GC), MilliporeSigma™ Supelco™

Boiling Point 228°C to 230°C
Type Analytical Standard
Percent Purity ≥98.5% (sum of enantiomers, GC)
Linear Formula C10H14 O
CAS 2244-16-8
MDL Number MFCD00062997
Physical Form Neat
Flash Point 89°C - Closed Cup
Grade Analytical Standard
Synonym (+)-p-Mentha-6,8-diene 2-one; (S)-5-Isopropenyl-2-methyl-2-cyclohexenone
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 150.22
Density 0.960 g/mL (at 20°C)
711

N-Nitrosodi-n-butylamine, MilliporeSigma™ Supelco™

N-Nitrosodi-n-butylamines (NDBAs) are classified under the N-nitrosamine family of compounds which are considered as trace organic contaminants (TrOC) in drinking water and reclaimed effluent.

714

PESTANAL™ Acetamiprid-N-desmethyl, MilliporeSigma™ Supelco™

Acetamiprid-N-desmethyl is a metabolite of the neonicotinoid insecticide, acetamiprid.

716

PESTANAL™ Metaldehyde, MilliporeSigma™ Supelco™

Metaldehyde is an active ingredient, commonly used in organic pesticides, which can be widely used in agriculture in order to control mollusca species like snails, slug etc.

719

TraceCERT™ Etofenprox certified reference material, MilliporeSigma™ Supelco™

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.