Isotopically Labeled Compounds
Cambridge Isotope Laboratories L-ALANINE (13C3, 97-99%; D4, 97-99%; 15N, 97-99%), 0.25 G
L-ALANINE (13C3, 97-99%; D4, 97-99%; 15N, 97-99%), 0.25 G
Cambridge Isotope Laboratories ACETIC ACID (1-13C, 99%; D4, 98%), 1 G, 63459-47-2
ACETIC ACID (1-13C, 99%; D4, 98%), 1 G, 63459-47-2
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.
Medchemexpress LLC 1-Bromoeicosane-d41 10mg
1-Bromoeicosane-d41 is the deuterium labeled 1-Bromoicosane[1]
Medchemexpress LLC (Rac)-Cotinine-d3 | 110952-70-0 | 99.9% | 5 MG
(Rac)-Cotinine-d3 is the deuterium-labeled version of (Rac)-Cotinine. It is intended for research use only. The incorporation of stable heavy isotopes such as deuterium into drug molecules can serve as tracers for quantitative analysis during drug development, and has also been noted for its potential to influence 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.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC (Rac)-Cotinine-d3 | 110952-70-0 | 99.9% | 50 MG
(Rac)-Cotinine-d3 is the deuterium labeled (Rac)-Cotinine. Deuteration has gained attention due to its potential to impact the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes incorporated into drug molecules.
- Potential to affect pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories 1,4-BUTANEDIOL-2,2,3,3-D4 (D, 98%), 5 G, 38274-25-8
1,4-BUTANEDIOL-2,2,3,3-D4 (D, 98%), 5 G, 38274-25-8
Cambridge Isotope Laboratories CYCLOHEXANONE-D10 (D, 98%), 5 G, 51209-49-5
CYCLOHEXANONE-D10 (D, 98%), 5 G, 51209-49-5
Medchemexpress LLC L-aspartic acid-13C4,15N | 202468-27-7 | MFCD00144566 | 98.0% | 138.07 | 13C4H7 15NO4 | 10 MG
L-Aspartic acid-13C4,15N is a stable isotope-labeled form of the amino acid L-aspartic acid used as a reference standard and tracer in analytical, metabolic, and mass spectrometry applications.
- Stable isotope-labeled (13C4, 15N) suitable as an internal standard for LC-MS/MS and quantitative assays.
- High purity; ≥98.0%.
- Molecular weight 138.07 provides consistent mass spectrometric behavior.
- Chemical formula 13C4H7 15NO4 reflects isotopic labeling.
- Supplied in small laboratory quantities for analytical workflows.
Medchemexpress LLC Myristic acid-d5 | 327077-03-2 | MFCD03428167 | 98.0% | 233.40 | C14H23D5O2 | 10 MG
Myristic acid-d5 is a deuterium-labeled derivative of myristic acid used as a stable isotope tracer and internal standard for analytical chemistry. Supplied as a white to off-white solid, it is suitable for quantitative analysis by NMR, GC-MS, and LC-MS and intended for research use only.
- Stable isotope labeled (d5) tracer for analytical methods.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS.
- High purity: 98.0%.
- Supplied as a solid in a 10 MG package.
- Storage: powder -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months).
Cambridge Isotope Laboratories PALMITIC ACID (9,9,...16,16,16-D17, 98%) 97% CHEMICAL PURITY, 0.1 G
PALMITIC ACID (9,9,...16,16,16-D17, 98%) 97% CHEMICAL PURITY, 0.1 G
Cambridge Isotope Laboratories D-MANNITOL (1-13C, 98%), 0.25 G, 132202-29-0
D-MANNITOL (1-13C, 98%), 0.25 G, 132202-29-0
Cambridge Isotope Laboratories 1-BROMODODECANE (METHYL-D3, 98%), 1 G
1-BROMODODECANE (METHYL-D3, 98%), 1 G
Medchemexpress LLC Propan-2-amine-d7 h 100mg
Propan-2-amine-d7 (hydrochloride) is the deuterium labeled Propan-2-amine hydrochloride[1]