Solvents
Medchemexpress LLC L-Tyrosine-d4 | 62595-14-6 | MFCD00079605 | 185.21 | 5 MG
L-Tyrosine-d4 is a deuterium labeled L-Tyrosine. L-Tyrosine is a non-essential amino acid which can inhibit citrate synthase activity in the posterior cortex.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC L-lysine-d4 hydrochloride | 284664-96-6 | 99.1% | 186.67 | C6H11D4ClN2O2 | 10 MG
L-Lysine-d4 hydrochloride is a deuterium-labeled form of the essential amino acid L-lysine supplied as the hydrochloride salt for research use as a tracer or internal standard in quantitative analyses.
- Deuterium-labeled (d4) for clear mass differentiation in quantitative assays.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS workflows.
- High purity by HPLC (99.14%), supporting accurate quantitation.
- Available in small pack sizes for analytical use, including 10 mg.
- Store at 4°C, sealed, protected from moisture.
Medchemexpress LLC Triamterene-d5 | 1189922-23-3 | MFCD09841356 | 99.8% | 258.29 | C12H6D5N7 | 10 MG
Triamterene-d5 is a deuterium-labeled triamterene analog supplied as a high-purity analytical standard for use in mass spectrometry, tracer studies, and quantitative assays. It offers consistent isotopic labeling and stability for reliable internal standard performance.
- Deuterium-labeled (d5) for use as an internal standard in MS assays.
- High purity (99.8%) for accurate quantitation.
- Molecular weight 258.29 g/mol for precise mass calculations.
- Available in small milligram pack sizes for analytical workflows.
- Stable when stored as recommended: powder -20°C; in solvent -80°C short term.
Medchemexpress LLC Octadecanoic-17,17,18,18,18-d5 acid | 211443-83-3 | MFCD01075453 | 98.4% | 289.51 g·mol-1 | C18H31D5O2 | 10 MG
Stearic acid-d5 is a deuterium-labeled analogue of stearic (octadecanoic) acid used as an internal standard for quantitative mass spectrometry. The compound (CAS 211443-83-3) contains five deuterium atoms and provides a consistent mass shift for accurate tracer-based quantification in biological and analytical samples. Supplied as a solid for preparation of stock solutions.
- Deuterated internal standard (d5) for GC-MS and LC-MS.
- Chemical formula C18H31D5O2; molecular weight ~289.51 g·mol-1.
- High isotopic purity for reliable mass spectrometry quantification.
- Suitable for preparation of stock solutions in common organic solvents.
- Commonly used in lipidomics, metabolism, and pharmacokinetic studies.
Medchemexpress LLC Mestranol-d2 | 72-33-3 | 99.0% | 1 MG
Mestranol-d2 is the deuterium labeled Mestranol. Mestranol is an inactive proagent that becomes biologically active upon conversion to ethinyl estradiol (EE). It acts as an estrogen receptor agonist and combines with a progestin in vivo. It can be used for the research of menopausal hormone or menstrual disorders.
- Click chemistry reagent for copper-catalyzed azide-alkyne cycloaddition
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Incorporates stable heavy isotopes as tracers for quantitation during drug development
- Potential to affect pharmacokinetic and metabolic profiles of drugs
Cambridge Isotope Laboratories Alpha-HCH (Alpha-BHC) (unlabeled) 100 ug/mL in nonane 1 2 mL
Alpha-HCH (Alpha-BHC) (unlabeled) 100 ug/mL in nonane 1 2 mL
Cambridge Isotope Laboratories GLYCINE (2,2-D2, 98%; 15N, 98%), 0.25 G
GLYCINE (2,2-D2, 98%; 15N, 98%), 0.25 G
Medchemexpress LLC Hexaenoic acid-d6 1mg | 2692624-21-6 | 502.84 | C34H50D6O2 | 1 MG
Hexaenoic acid-d6 is the deuterium-labeled analog of hexaenoic acid supplied as a colorless oil for use as a stable isotope internal standard in analytical and biochemical research. It provides defined isotopic labeling and high chemical purity to support accurate quantitation by LC-MS and related methods.
- Deuterium-labeled internal standard for LC-MS quantitation.
- High chemical and isotopic purity for reliable results.
- Supplied as an oil for convenient handling and formulation.
- Recommended storage conditions preserve stability in solvent and neat forms.
- Suitable for studies of very long chain polyunsaturated fatty acids.
Selleck Chemical LLC Nortriptyline hydrochloride S3698-1g
Nortriptyline hydrochloride (Desitriptyline ELF-101 EN-7048 Desmethylamitriptyline) is the hydrochloride salt form of nortriptyline a tricyclic antidepressant agent used for short-term treatment of various forms of depression
Cambridge Isotope Laboratories CREDENTIALED E. COLI CELL EXTRACT KIT (SOLUTION), 1 KIT
CREDENTIALED E. COLI CELL EXTRACT KIT (SOLUTION), 1 KIT
Cambridge Isotope Laboratories Oxychlordane (13C10 99%) 100 ug/mL in nonane 1 2 mL
Oxychlordane (13C10 99%) 100 ug/mL in nonane 1 2 mL
Cambridge Isotope Laboratories Dechlorane plus Anti (unlabeled) 100 ug/mL in toluene 1 2 mL
Dechlorane plus Anti (unlabeled) 100 ug/mL in toluene 1 2 mL
Cayman Chemical LaurIc AcId-d23 500mg
An internal standard for the quantification of lauric acid by GC- or LC-MS
Medchemexpress LLC Mebeverine acid-d5 hydrochloride | 475203-77-1 | 99.0% | 10 MG
Mebeverine acid-d5 hydrochloride is a deuterium-labeled form of Mebeverine acid hydrochloride, a secondary metabolite of the intestinal antispasmodic agent Mebeverine. This metabolite is formed in the body through hydrolysis and serves as a key circulating marker for oral Mebeverine.
- Deuterium-labeled compound
- Secondary metabolite of mebeverine
- Key circulating metabolite for oral mebeverine
- Used as a tracer and internal standard
- Suitable for quantitative analysis methods
- Purity of 99.0%