Small molecule HPLC

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Applications:Small molecule HPLC

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Showing 1-30 of 122 results

LC/MS Analysis of Phospholipids in Milk on Ascentis^® Express HILIC after SPE using Supelclean^™ Si, Shotgun HPLC Analysis

(soybean), ≥97%; L-α-Phosphatidylethanolamine from egg yolk, Type III, ≥97% (TLC), lyophilized powder; L-α-Phosphatidylcholine, from egg yolk, Type XVI-E, ≥99% (TLC), lyophilized powder; Sphingomyelin, from chicken egg yolk, ≥95%

Banned and Other Neonicotinoids from Plant Material

On Friday, April 27, 2018, the European Union decided to ban the use of three neonicotinoid insecticides from use on field crops, having deemed them dangerous to bees. This application demonstrates the analysis of these banned compounds and others from

LC/MS/MS Analysis of Aflatoxins in Cannabis on Ascentis® Express 2.7µm Phenyl-Hexyl after Cleanup Using Supel™ Tox AflaZea SPE

solution, 2 μg/mL in acetonitrile, analytical standard

HPLC Analysis of Aspirin and Salicylic Acid on Ascentis® Express RP-Amide

Separation of Acetylsalicylic acid, analytical standard; Salicylic acid, BioXtra, ≥99.0%

EPA Method TO-11/IP-6A and ASTM^® D5197: HPLC Analysis of Aldehydes and Ketones on SUPELCOSI^™ LC-18 after Collection/Desorption using LpDNPH

-Tolualdehyde; Valeraldehyde; Isovaleraldehyde

HPLC Analysis of Xylose, Fructose, Glucose and Saccharose on Chromolith® NH2 100 - 4.6mm

Separation of Xylose; Fructose; Glucose; Saccharose

Lopinavir European Pharmacopeia HPLC Assay Method

This paper illustrates the setting up of a Lopinavir assay following European pharmacopoeia guidelines (10.2), and using a shorter column packed with smaller particles. The described assay saves valuable time and improves separation efficiency, which typically translates to better method

LC/MS/MS Analysis of Epinephrine, Metanephrine and Metabolites on Ascentis® Express OH5

HPLC Analysis of Organic Acids Commonly Found in Wine and Beer on TSKgel® OApak-P and OApak-A

Separation of Pyruvic acid, United States Pharmacopeia (USP) Reference Standard; Tartaric acid, United States Pharmacopeia (USP) Reference Standard; Citric acid, United States Pharmacopeia (USP) Reference Standard; Malic acid, United States Pharmacopeia (USP) Reference Standard; L-Pyroglutamic acid, ≥99.0% (T); Lactic acid

HPLC Analysis of Carotene Compounds on Ascentis® RP-Amide

HPLC Analysis of Heroin, Cocaine, Amphetamine and MDMA on Ascentis® Express HILIC

Separation of Heroin, analytical standard, ≥98% (HPLC); Cocaine hydrochloride, analytical standard; D-Amphetamine hemisulfate salt solution, 1.0 mg/mL in methanol, analytical standard, for drug analysis; (±)-3,4-Methylenedioxymethamphetamine hydrochloride solution, analytical standard, for drug analysis, 1.0 mg/mL in methanol

LC/MS Analysis of L-Methionine Sulfoximine, Sulfone and Sulfoxide on Ascentis® Express HILIC

Separation of L-Methionine sulfone; L-Methionine sulfoximine; L-Methionine sulfoxide

Using UHPLC/MS (TOF) for Detection of Drugs and Metabolites in Urine Following Optimized Enzymatic Hydrolysis Conditions

To optimize hydrolysis using β-glucuronidase, factors such as incubation time, temperature, hydrolysis pH, enzyme source, and enzyme concentration must be evaluated for each glucuronide metabolite to be analyzed.

HPLC Analysis of Fatty Acid Methyl Esters (FAMES) on SUPELCOSIL LC-18

Separation of Methyl decanoate; Methyl dodecanoate; Methyl myristate; Methyl palmitate; Methyl caprylate; Methyl oleate; Methyl linoleate; Methyl linolenate; Methyl stearate

LC/MS Analysis of Lactic Acid Enantiomers in Urine on Astec® CHIROBIOTIC® R

Separation of L-(+)-Lactic acid, analytical standard; D-(−)-Lactic acid, 93-107%

Chloroquine Phosphate HPLC Assay and Impurity Profiling Methods Following the USP Monograph

Under applied conditions, system suitability criteria are met, and the Chloroquine Phosphate HPLC Assay and Impurity Profiling Methods demonstrate good resolution/selectivity, reproducibility, and sensitivity.

Chiral LC-MS/MS of D- and L-2-Hydroxyglutaric Acid Biomarkers

We describe here a rapid and sensitive method to separate and measure D-2-OHG and L-2-OHG enantiomers using high-resolution mass spectrometry (HRMS) detection.

Identification, Assay and Organic Impurity Profiling Methods for Aripiprazole following the United States Pharmacopeia Monograph

Aripiprazole is an atypical antipsychotic and a partial dopamine agonist. It is primarily used in the treatment of schizophrenia, bipolar disorder, major depressive disorder, tic disorders, and irritability associated with autism. Aripiprazole was first approved by the U.S. Food and

Fast and Accurate LC-MS Analysis of Vitamin D Metabolites Using Ascentis® Express F5 HPLC Columns

Fast and Accurate LC-MS Analysis of Vitamin D Metabolites, Using Ascentis® Express F5 HPLC Columns from Supelco®

Mass Spectral Column Bleed in Nitrogen-Containing Polar-Embedded HPLC Stationary Phases

HPLC Analysis of Furans on Ascentis® Express C18

Polar Compound Retention using Aqueous Normal-Phase (ANP/HILIC) Chromatography

Determination of Vitamin A and E Using HPLC with UV Detection Following the Chinese National Standard (GB) Method

Following GB method for Vitamin A and Vitamin E as it is written with a 250 x 4.6 mm Ascentis® Express C30 column gives baseline resolution between the critical pair (gamma-, and beta-tocopherol; peaks 3 and 4).

Chiral LC-MS Analysis of Methamphetamine in Urine on Astec® CHIROBIOTIC® V2

Efficient LC-MS separation of methamphetamine enantiomers in urine allows sensitive differentiation of illicit D-methamphetamine from over-the-counter L-methamphetamine.

HPLC Analysis of Vitamins B1 B6 B12

HPLC Analysis of Vitamins B1, B6 and B12 using Ascentis® Express RP-Amide

Enantiomeric Purities of Pharmaceuticals Using Carbohydrate-based Isothiocyanates

Enantiomeric analysis of neurotransmitters and pharmaceuticals carrying functional amino groups, ß-adrenergic blockers; penicillamine, mexiletine; fine chemicals such as 1-phenyl-2-aminoethanol.

Determination of Rutin in Anti-Aging Skin Cream Formulations Using Chromolith® HighResolution RP-18 Endcapped Column and UV Detection

This application illustrate how Rutin can be determined in skin cream samples using a monolithic Chromolith® HighResolution RP-18 endcapped column with UV detection.

HPLC Analysis of GMP, GDP and GTP on SeQuant ZIC-HILIC

HPLC Analysis of Fexofenadine and Related Compound B on CYCLOBOND® I 2000 Phases

The use of alternative chiral stationary phases to CYCLOBOND I 2000 SP suggested by USP, was studied for the analysis of fexofenadine and related compound B.

HPLC Analysis of Flavonoids on Ascentis® RP-Amide

Protocol for HPLC Analysis of Flavonoids on Ascentis® RP-Amide

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