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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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2,146 – 2,160 of 23,182 results
2,146

phyproof™ Caudatin, ≥90% (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

2,147

Selectophore™ Dichloromethane, 99.5%, MilliporeSigma™ Supelco™

Boiling Point 39.8°C to 40°C
Description Solvent for preparation of membranes
Linear Formula CH2 Cl2
Ignition Point 1223°F
Density 1.324-1.326 g/mL (at 20°C)
Vapor Density 2.9 (vs. air)
Vapor Pressure 24.45 psi (55°C)
Solution Contains ˜0.005% amylene as stabilizer
Type Organic Standard
Percent Purity ≥99.5% (GC)
CAS 75-09-2
For Use With (Equipment) Ion Selective Electrode
MDL Number MFCD00000881
Synonym Methylene chloride
Formula Weight 84.93
Melting Point -97°C
Product Line Selectophore
2,148

Methacholine Chloride 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

2,149

(2RS,3SR)-2-Methylisocitric acid sodium salt ≥95.0% (GC), MilliporeSigma™ Supelco™

Type Organic Standard
Percent Purity ≥95% (GC)
Linear Formula C7H10O7 · xNa+
CAS 71183-66-9
Recommended Storage 2°C to 8°C
Formula Weight 206.15 (free acid basis)
2,153

Methyl all-cis-5,8,11,14,17-eicosapentaenoate, ≥98.5% (GC), MilliporeSigma™ Supelco™

Methyl all-cis-5,8,11,14,17-eicosapentaenoate is a fatty acid methyl ester.

2,155

Ranitidine Impurity J 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

2,157

phyproof™ Dihydrotanshinone I, ≥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

2,159

TraceCERT™ Methyl methanesulfonate 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.

2,160

PESTANAL™ Novaluron, MilliporeSigma™ Supelco™

Novaluron (Rimon) is a type of benzoylphenyl urea,3 that acts as an insect growth regulator by inhibiting chitin synthesis. It acts as a powerful toxicant for controlling lepidopteran larvae. It is suitable in the rainy and tropics seasons, as it is a rainfast compound.