Isotopically Labeled Compounds
Medchemexpress LLC Oseltamivir-d5 phosphate | 415.43 | C16H26D5N2O8P | 1 MG
Oseltamivir-d5 phosphate is a deuterium-labeled analogue of oseltamivir phosphate used as a stable isotope internal standard and tracer for quantitative analysis in biological and chemical assays. It is intended for research use only and is commonly used in LC-MS, GC-MS, and NMR workflows for accurate quantitation.
- Deuterium-labeled internal standard for oseltamivir analyses.
- Enables accurate quantitative analysis by LC-MS, GC-MS, and NMR.
- Formula C16H26D5N2O8P; molecular weight 415.43 g/mol.
- Supplied in small analytical quantities suitable for trace-level studies.
- Intended for research use only; not for human or veterinary use.
Medchemexpress LLC D-Fructose-13C | 108311-21-3 | 5 MG
D-Fructose-13C is the 13C labeled D-Fructose, a naturally occurring monosaccharide found in many plants. This compound can be utilized as a tracer and as an internal standard for quantitative analysis through techniques like NMR, GC-MS, or LC-MS. Stable heavy isotopes are incorporated into drug molecules primarily as tracers for quantitation during drug development, with deuteration specifically noted for its potential impact on pharmacokinetic and metabolic profiles of drugs.
- 13C labeled D-fructose, a naturally occurring monosaccharide
- Can be used as a tracer
- Serves as an internal standard for quantitative analysis
- Suitable for NMR, GC-MS, or LC-MS applications
- Incorporates stable heavy isotopes into drug molecules for quantitation
- Deuteration has potential to affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC (Rac)-Cotinine-d3 | 110952-70-0 | 99.9% | 179.23 | C10H9D3N2O | 10 MG
(Rac)-Cotinine-d3 is the deuterium-labeled racemic form of cotinine used as a stable isotope internal standard and tracer in analytical chemistry and bioanalysis. It is intended for use in quantitative mass spectrometry assays and metabolic studies where isotopically labeled standards improve accuracy and precision.
- Deuterium-labeled internal standard for LC-MS/MS quantitation.
- Racemic form compatible with assays targeting cotinine and metabolites.
- High purity (99.9%) to minimize background interference.
- Available in small milligram quantities for analytical workflows.
- Molecular weight 179.23 and molecular formula C10H9D3N2O.
Medchemexpress LLC Ethyl 4-hydroxybenzoate-d4 | 1219795-53-5 | 170.20 | C9H6D4O3 | 10 MG
Ethylparaben-d4 is the deuterium-labeled analog of ethyl 4-hydroxybenzoate supplied for research use as an isotopically labeled internal standard or tracer for quantitative analysis by NMR, GC-MS, and LC-MS. It contains four deuterium atoms (d4) to enable mass discrimination and accurate quantitation.
- Deuterium-labeled internal standard for quantitative analysis.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Molecular formula C9H6D4O3 and molecular weight 170.20.
- Available in small analytical quantities (commonly 1 mg, 5 mg, 10 mg).
- For research use only; not for human or clinical use.
Medchemexpress LLC Palmitic acid-2-13C | 287100-87-2 | MFCD00083983 | 98.0% | 10 MG
Palmitic acid-13C is a stable isotope-labeled palmitic acid supplied for use as a tracer or internal standard in analytical and biochemical applications, including GC-MS and LC-MS workflows. It provides a defined isotopic label for metabolic tracing and quantification.
- Used as a tracer and internal standard in GC-MS and LC-MS analyses.
- Stable isotope labeled (13C) fatty acid for metabolic tracing.
- Purity 98.0% as provided.
- CAS number 287100-87-2 for unambiguous identification.
- Provided as a 10 MG package; additional sizes available.
Medchemexpress LLC Triacetonamine-d17 (2,2,6,6-tetramethyl-4-piperidone-d17) | 52168-48-6 | 99.7% | 172.34 | C9D17NO | 10 MG
Triacetonamine-d17 is the deuterium-labeled analog of triacetonamine provided for laboratory research use as an isotopic tracer or internal standard in analytical methods. It is intended for research use only and should be handled according to applicable safety procedures due to reported biological activity in animal models.
- deuterium-labeled tracer for analytical quantitation (NMR, GC-MS, LC-MS).
- 99.7% purity by specification.
- molecular weight 172.34 g/mol.
- cas number 52168-48-6 for unambiguous identification.
- chemical formula C9D17NO.
- packaged as 10 mg quantity.
- store powder at -20°C; in solvent store at -80°C for 6 months or -20°C for 1 month.
Cambridge Isotope Laboratories GLYCAN-O3-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O3-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
Cambridge Isotope Laboratories GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-O25-13C-GAL6 (GALACTOSE-13C6, 99%), 500 PMOL
Cambridge Isotope Laboratories GLYCAN-N58-13C-GAL6,6' ([GALACTOSE-13C6, 99%]2)*, 500 PMOL
GLYCAN-N58-13C-GAL6,6' ([GALACTOSE-13C6, 99%]2)*, 500 PMOL
Cambridge Isotope Laboratories GLYCAN-FX2-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
GLYCAN-FX2-13C-GAL4 (GALACTOSE-13C6, 99%), 500 PMOL
Cambridge Isotope Laboratories Spectra 9 Bacterial Cell Media (15N 98%) 1 L
Spectra 9 Bacterial Cell Media (15N 98%) 1 L
Cambridge Isotope Laboratories SODIUM ACETATE (2-13C, 99%; D3, 98%), 1 G, 85355-10-8
SODIUM ACETATE (2-13C, 99%; D3, 98%), 1 G, 85355-10-8
Cambridge Isotope Laboratories SODIUM ACETATE (1,2-13C2, 99%; D3, 98%), 1 G, 123333-80-2
SODIUM ACETATE (1,2-13C2, 99%; D3, 98%), 1 G, 123333-80-2
Medchemexpress LLC Benzyl alcohol-d5 (Benzenemethanol-d5) | 68661-10-9 | 99.1% | 50 MG
Benzyl alcohol-d5 is the deuterium-labeled version of Benzyl alcohol. Benzyl alcohol is an aromatic alcohol, characterized as a colorless liquid with a mild, pleasant aromatic odor. It is intended for research use only and not for patient use.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Medchemexpress LLC Palmitic acid-d31 | 39756-30-4 | 287.62 | 5 MG
Palmitic acid-d31 is a deuterium-labeled palmitic acid, a long-chain saturated fatty acid commonly found in both animals and plants. It can induce glucose-regulated protein 78 (GRP78) and CCAAT/enhancer binding protein homologous protein (CHOP) in mouse granulosa cells. This compound is valuable as a tracer or an internal standard for quantitative analysis in various spectroscopic methods, and its deuterium labeling offers potential benefits for studying pharmacokinetic and metabolic profiles.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium labeling for pharmacokinetic and metabolic studies