Isotopically Labeled Compounds
Medchemexpress LLC D-Glucose-13C | 101615-88-7 | 99.9% | 25 MG
D-Glucose-13C is the 13C labeled D-Glucose. D-Glucose is a monosaccharide, an important carbohydrate in biology, and a carbohydrate sweetener. It is a critical component of general metabolism and serves as a critical signaling molecule related to cellular metabolic status and stress response.
- Used as a tracer in biological studies.
- Serves as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Incorporates stable heavy isotopes into drug molecules for quantitation during drug development.
Medchemexpress LLC Norfluoxetine-d5 hydrochloride | 1188265-34-0 | 99.3% | 336.79 | 5 MG
Norfluoxetine-d5 (hydrochloride) is a deuterium labeled compound, specifically 3-Phenyl-3-(4-(trifluoromethyl)phenoxy)propan-1-amine hydrochloride. Stable heavy isotopes of elements such as hydrogen and carbon are integrated into drug molecules, primarily to serve as tracers for quantitation during the drug development process. Deuteration has garnered attention due to its potential impact on the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer.
- Can be utilized as an internal standard for quantitative analysis through methods like NMR, GC-MS, or LC-MS.
- Deuteration can potentially influence the pharmacokinetic and metabolic characteristics of drugs.
Cambridge Isotope Laboratories D-FRUCTOSE (1-13C, 99%), 1 G, 108311-21-3
D-FRUCTOSE (1-13C, 99%), 1 G, 108311-21-3
Cambridge Isotope Laboratories POTASSIUM PALMITATE (7,7,8,8-D4, 98%), 0.5 G
POTASSIUM PALMITATE (7,7,8,8-D4, 98%), 0.5 G
Cambridge Isotope Laboratories GUANOSINE 5'-TRIPHOSPHATE (GTP), AMMONIUM SALT (D, 97%+) CHEM PUR. >90% (IN SOLN), 20 UMOL
GUANOSINE 5'-TRIPHOSPHATE (GTP), AMMONIUM SALT (D, 97%+) CHEM PUR. >90% (IN SOLN), 20 UMOL
Medchemexpress LLC Repaglinide-d5 | 1217709-85-7 | C27H31D5N2O4 | 25 MG
Repaglinide-d5 is a deuterium-labeled variant of Repaglinide. Repaglinide acts as an insulin secretagogue, primarily used in the treatment of type-2 diabetes mellitus. It functions by enhancing the early phase of insulin secretion and increasing the overall amount of insulin released, which helps to reduce postprandial glucose levels.
- Used as a tracer.
- Serves as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS.
Medchemexpress LLC Glycolic acid-d2 | 75502-10-2 | 98.5% | 78.06 | C2H2D2O3 | 1 MG
Glycolic acid-d2 is the deuterium-labeled analogue of glycolic acid intended for research and analytical applications. It is commonly used as an internal standard and tracer in mass spectrometry and isotopic labeling studies, and supports investigations of tyrosinase inhibition and melanin biosynthesis.
- Deuterium-labeled analogue for isotope tracing and quantitation.
- Suitable as an internal standard for mass spectrometry and analytical workflows.
- High purity (reported ~98.5%) for reliable analytical results.
- Solid, white to off-white form for easy handling and storage.
- Available in small pack sizes for trace-level experiments.
- Recommended storage conditions to preserve compound integrity.
Cambridge Isotope Laboratories TOXOFLAVIN (3,4A,5,8A-13C4, 98%) CP 95%, 1 MG
TOXOFLAVIN (3,4A,5,8A-13C4, 98%) CP 95%, 1 MG
Cayman Chemical Tolcapon-d4 1mg
An internal standard for the quantification of tolcapone by GC- or LC-MS
Medchemexpress LLC β-Alanine-13C3,15N | 285978-07-6 | 99.99% | 93.06 | 1 MG
β-Alanine-13C3,15N is the 13C- and 15N-labeled β-Alanine. β-Alanine is a non-essential amino acid that is shown to be metabolized into carnosine, which functions as an intracellular buffer. This product is for research use only.
- Used as a tracer.
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical CholIc AcId-24-13C 10mg
An internal standard for the quantification of cholic acid by GC- or LC-MS
![Revvity Health Sciences Inc Adenosyl-L-Methionine, S-[methyl-<sup>3</sup>H]-, 55-85Ci (2.03-3.15TBq)/mmol, 1mCi (37MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809350.jpg-250.jpg)
Revvity Health Sciences Inc Adenosyl-L-Methionine, S-[methyl-3H]-, 55-85Ci (2.03-3.15TBq)/mmol, 1mCi (37MBq)
Adenosyl-L-Methionine, S-[methyl-3H]-, 55-85Ci (2.03-3.15TBq)/mmol, 1mCi (37MBq)
Cambridge Isotope Laboratories Glycan-O33-13C-Gal4 (galactose-13C6 99%) 500 pmol
Glycan-O33-13C-Gal4 (galactose-13C6 99%) 500 pmol
Medchemexpress LLC Thiophanat-ethyl-d10 | 1398066-16-4 | 380.51 | C14H8D10N4O4S2 | 10 MG
Thiophanat-ethyl-d10 is the deuterium-labeled isotopologue of thiophanat-ethyl provided for research and analytical applications. Supplied as a solid in a 10 mg quantity, it is intended for use as a stable-isotope internal standard and tracer to support quantitative methods. Consult the product datasheet and safety documentation for handling and storage information.
- Deuterium-labeled (d10) isotopologue suitable as an internal standard.
- Used as a tracer for quantitative NMR, GC-MS, and LC-MS analyses.
- Provided as a solid, convenient for preparation of standards and calibrants.
- Supports accurate quantitation by compensating for matrix effects and instrument variability.
- Intended for research use; follow safety and storage recommendations on the datasheet.
Medchemexpress LLC Arachidic acid-d39 | 39756-32-6 | 351.77 | 5 MG
Arachidic acid-d39 is the deuterium labeled Arachidic acid. Arachidic acid (Eicosanoic acid) is a long-chain saturated fatty acid found in human plasma phospholipid, fish, cannabis, and other plant oils. Deuteration can impact 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
- Used for anti-cancer drug delivery research when conjugated with chitosan oligosaccharide