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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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4,171 – 4,185 of 23,009 results
4,171

γ-Decalactone, ≥98.0% (GC), MilliporeSigma™ Supelco™

γ-Decalactone is a flavor and fragrance compound, which finds applications in food and beverage industry.

4,173

L-Methionine 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.

4,175

Sitagliptin Phosphate Pharmaceutical Secondary Standard, MilliporeSigma™ Supelco™

An anti-diabetic (antihyperglycemic) drug of the dipeptidyl peptidase-4 (DPP-4) class. Inhibition of the enzyme DPP-4 is thought to increase Glucagon-like peptide-1 (GLP-1) which inhibits glucagon release, stimulates insulin release and lowers blood glucose.

4,176

Iohexol 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

4,178

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
4,180

Tricosane, ≥99.5% (GC), MilliporeSigma™ Supelco™

Boiling Point 199°C to 200°C (3 mmHg)
Type Analytical Standard
Percent Purity ≥99.5% (GC)
Linear Formula CH3(CH2)21 CH3
CAS 638-67-5
MDL Number MFCD00009350
Physical Form Neat
Flash Point 113°C
Grade Analytical Standard
RTECS Number 211-347-4
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 324.63
Melting Point 46°C to 47°C; 47°C to 49°C
4,181

Delphinidin chloride, ≥95.0% (HPLC), MilliporeSigma™ Supelco™

Delphinidin chloride is commonly found in delphinium flowers. It can be obtained, via hydrolysis of delphinin chloride.

Type Analytical Standard
Percent Purity ≥95.0% (HPLC)
Linear Formula C15H11 ClO7
CAS 528-53-0
MDL Number MFCD00016663
Physical Form Neat
Grade Analytical Standard
Synonym 3,3 ′,4 ′,5,5 ′,7-Hexahydroxyflavylium chloride; 3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-1-benzopyrylium chloride
Formula Weight 338.70
4,184

L-Cysteine, 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.