Isotopically Labeled Compounds
Medchemexpress LLC Phenacetin-d5 (Acetophenetidin-d5) | 69323-74-6 | MFCD04118296 | 99.5% | 184.25 g/mol | C10H8D5NO2 | 10 MG
Phenacetin-d5 is a deuterium-labeled analogue of phenacetin used as an analytical standard and internal standard in mass spectrometry and quantitative assays. Supplied as a 10 mg solid with high chemical and isotopic purity, it is suitable for method development, quantitative analysis, and pharmacokinetic studies.
- Deuterium-labeled internal standard for mass spectrometry.
- High analytical purity (>99.5%).
- Provided as a 10 mg solid suitable for reconstitution.
- Molecular weight 184.25 g/mol and formula C10H8D5NO2.
- Useful for quantitative assays and method validation.
Medchemexpress LLC L-ornithine-d7 hydrochloride | 2483831-57-6 | 99.6% | 175.67 g/mol | C5H6D7ClN2O2 | 100 MG
L-Ornithine-d7 hydrochloride is the deuterium-labeled form of L-ornithine hydrochloride used as an isotopically labeled standard or tracer in analytical and biochemical workflows. It provides a mass-shifted analogue for accurate quantitation and tracer studies in mass spectrometry.
Cambridge Isotope Laboratories L-PROLINE (13C5, 99%; 15N, 99%), 0.1 G, 202407-23-6
L-PROLINE (13C5, 99%; 15N, 99%), 0.1 G, 202407-23-6
Cambridge Isotope Laboratories 5A-ANDROSTAN-3B-OL-17-ONE (EPIANDROSTERONE) (2,2,4,4-D4, 98%), 5 MG, 89685-09-6
5A-ANDROSTAN-3B-OL-17-ONE (EPIANDROSTERONE) (2,2,4,4-D4, 98%), 5 MG, 89685-09-6
Cambridge Isotope Laboratories L-ALANINE (2,3,3,3-D4, 98%), 1 G, 18806-29-6
L-ALANINE (2,3,3,3-D4, 98%), 1 G, 18806-29-6
Cambridge Isotope Laboratories D-GLUCOSE (1-13C, 99%; 6-13C, 97%+), 0.25 G, 201741-04-0
D-GLUCOSE (1-13C, 99%; 6-13C, 97%+), 0.25 G, 201741-04-0
Cambridge Isotope Laboratories ETHANOL (1-13C, 99%) (, 1 G, 14742-23-5
ETHANOL (1-13C, 99%) (, 1 G, 14742-23-5
Medchemexpress LLC 1,2-distearoyl-sn-glycero-3-phosphorylcholine-d70 | 56952-01-3 | 99.0% | 860.58 | C44H18D70NO8P | 10 MG
DSPC-d70 is a deuterium-labeled 1,2-distearoyl-sn-glycero-3-phosphorylcholine supplied as a high-purity research reagent. It is used as a tracer or internal standard for quantitative lipid analysis by NMR, GC-MS, or LC-MS, and as a lipid component in liposome and lipid nanoparticle formulations.
- Deuterated (d70) phosphatidylcholine for analytical applications.
- High purity (99.0%) suitable for quantitative assays.
- Molecular weight 860.58; formula C44H18D70NO8P.
- CAS number 56952-01-3 for unambiguous identification.
- Available as a 10 mg pack for laboratory use.
- Intended for research use only.
Medchemexpress LLC Isonicotinic acid-d4 | 53907-55-4 | 98.1% | 127.13 | C6HD4NO2 | 10 MG
Isonicotinic acid-d4 is the deuterium-labeled analog of isonicotinic acid, provided as an analytical standard for research and quantitative mass spectrometry. It is used as a stable isotope internal standard or tracer in metabolic and analytical studies, supplied in small laboratory pack sizes such as 10 MG.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity suitable for analytical applications (≈98.1%).
- CAS number 53907-55-4 for unambiguous identification.
- Molecular weight 127.13 g/mol for calculation and method development.
- Available in small pack sizes, for example 10 MG, for laboratory use.
- Store sealed and protected from moisture; in solvent: -80°C for long-term storage, -20°C for short-term storage.
Medchemexpress LLC (Rac)-Monepantel-d5 | 2747918-33-6 | 99.4% | 478.42 | 5 MG
(Rac)-Monepantel-d5 is deuterium labeled Monepantel, an organic anthelmintic that acts as a positive allosteric modulator of a nematode-specific clade of nicotinic acetylcholine receptor (nAChR) subunits. Deuteration has the potential to affect the pharmacokinetic and metabolic profiles of drugs.
- 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 Choline-d4 chloride | 285979-70-6 | 99.7% | 143.65 | C5H10D4ClNO | 10 MG
Choline-d4 chloride is the deuterium-labeled form of choline chloride intended for research and analytical applications. It is a quaternary ammonium salt and a substrate for choline acetyltransferase, commonly used as an internal standard or tracer in mass spectrometry and metabolic studies. This material is supplied for research use only and is accompanied by supporting documentation for quality and safety.
- Deuterium-labeled tracer for analytical and metabolic studies.
- Suitable as an internal standard for LC-MS/MS quantitation.
- Quaternary ammonium salt chemistry compatible with aqueous workflows.
- Provided with datasheet, SDS, and COA for lot-specific information.
- Available in small microgram/milligram pack sizes for analytical use.
Cambridge Isotope Laboratories LYSO-PC 22:0 (DOCOSANOYL-12,12,13,13-D4, 98, 5 MG
LYSO-PC 22:0 (DOCOSANOYL-12,12,13,13-D4, 98, 5 MG
Cambridge Isotope Laboratories BROMOACETIC ACID (2-13C, 99%), 5 G, 64891-77-6
BROMOACETIC ACID (2-13C, 99%), 5 G, 64891-77-6
Medchemexpress LLC Tridecane-d28 | 121578-12-9 | MFCD00145015 | 98.1% | 212.53 g/mol | C13D28 | 10 MG
Tridecane-d28 is the deuterium-labeled form of tridecane used as an isotopic reference standard for analytical and research applications. It is fully deuterated (C13D28), with high isotopic enrichment and is supplied in small pack sizes suitable for analytical use.
- fully deuterated alkane, useful as an internal standard for mass spectrometry
- reported purity about 98.05%
- molecular weight 212.53 g/mol and formula C13D28
- available in small research pack sizes for analytical workflows
- volatility similar to tridecane, suitable for GC applications