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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
Organic Standards (11,006)
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3,586 – 3,600 of 22,264 results
3,590

PESTANAL™ 2,4-DDT Solution, 100 μg/mL in Methanol, Analytical Standard, MilliporeSigma™ Supelco™

Linear Formula C14H9Cl5
MDL Number MFCD00036120
Grade Analytical Standard
Synonym 1,1,1-Trichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethane solution
Concentration 100 μg/mL in methanol
Shelf Life Limited shelf life, Expiry date on the label
Formula Weight 354.49
Product Line PESTANAL
3,591

3-Hydroxyglutaric acid, ≥95% (GC), MilliporeSigma™ Supelco™

Type Analytical Standard
Percent Purity ≥95% (GC)
Linear Formula C5H8O5
CAS 638-18-6
MDL Number MFCD06208235
Grade Analytical Standard
Synonym beta-Hydroxyglutaric acid; 3-Hydroxypentanedioic acid
Recommended Storage 2°C to 8°C
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 148.11
3,593

VETRANAL™ Doripenem monohydrate, MilliporeSigma™ Supelco™

Doripenem belongs to the carbapenems family of β-lactam antibiotic compounds.

3,594

PESTANAL™ Fenthion oxon sulfoxide, MilliporeSigma™ Supelco™

Fenthion oxon sulfoxide is a metabolite of fenthion, obtained by oxidative desulfuration. It is widely used as a pesticide in controlling insects in numerous crops. Its mode of action involves the inhibition of acetylcholinesterase.

3,595

Pyridoxine Impurity A 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.

3,598

TraceCERT™ 1-(2-Chlorophenyl)-1-(4-chlorophenyl)-2,2-dichloroethane, 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.