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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 (11,572)
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3,271 – 3,285 of 23,013 results
3,271

PESTANAL™ Permethrin, MilliporeSigma™ Supelco™

Permethrin belongs to the pyrethroid class of insecticides.

3,272

Fluorinert™ Heptacosafluorotributylamine, MilliporeSigma™ Supelco™

Boiling Point 178°C
Linear Formula N(CF2 CF2 CF2 CF3)3
Physical Form Neat
Grade Analytical Standard
Density 1.883 g/mL (at 25°C)
Vapor Density 23.3 (vs. air)
Vapor Pressure 1.3 mmHg (25°C)
Type Analytical Standard
CAS 311-89-7
MDL Number MFCD00000436
Synonym Fluorinert(TM) FC-43; PFTBA; Perfluorotributylamine; Tris(nonafluorobutyl)amine
RTECS Number YA1000000
Technique Mass Spectrometry
Formula Weight 671.09
Product Line Fluorinert
3,273

phyproof™ Obtusifolin, ≥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

3,277

γ-Terpinene, ≥98.5% (GC), MilliporeSigma™ Supelco™

γ-Terpinene is a monoterpene hydrocarbon present in essential oils extracted from Thymus vulgaris L., and exhibits antimicrobial, carminative and expectorant activities.

Boiling Point 182°C
Linear Formula C10H16
Physical Form Neat
Grade Analytical Standard
Density 0.85 g/mL (at 25°C)
Vapor Density 4.7 (vs. air)
Vapor Pressure ˜0.7 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥98.5% (GC)
CAS 99-85-4
MDL Number MFCD00001537
Flash Point 50°C - closed cup
Synonym 1-Isopropyl-4-methyl-1,4-cyclohexadiene; p-Mentha-1,4-diene
Recommended Storage 2°C to 8°C
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 136.23
3,278

N-Methylpyrrolidone Pharmaceutical Secondary Standard, MilliporeSigma™ Supelco™

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

3,279

Redox Standard 124 mV, MilliporeSigma™ Supelco™

The value is the potential of a platinum electrode versus an Ag/AgCl reference in 3M potassium chloride

3,280

Aflatoxin Mix 4 Solution, Analytical Standard, MilliporeSigma™ Supelco™

Aflatoxins are a group of polyketide-derived furanocoumarins, which are known to contaminate the agricultural commodities. They pose a potential risk to livestock and human health because of their carcinogenic nature.

3,282

phyproof™ 10-Gingerol, ≥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

3,283

Calcium ion Solution, For ISE 0.1 M Ca (for ion-selective electrodes), MilliporeSigma™ Supelco™

Calcium ion solution (CaCl2) contains dissolved calcium ions and chloride ions.

3,285

Oil and Grease 1,000 mg/L Calibration Standard (in Water), MilliporeSigma™ Supelco™

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.